(i) Enzyme Fumarase convert fumaric acid into:
(a) Citric acid
(b) Isocitric acid
(c) lactic acid
(d) Glutamic acid
(e) None of these
(ii) Plants growing under saline conditions are:
(a) Holophytes
(b) Mesophytes
(c) Hygrophytes
(d) Halophytes
(e) None of these
(iii) The first product of CO2 fixation in C3 plants is:
(a) Phosphoglyceric acid
(b) Glycolic acid
(c) Citric acid
(d) Glutamic acid
(e) None of these
(iv) Mutations are most likely to be caused by:
(a) 1AA
(b) CO2
(c) Dextrose
(d) Glycine
(e) None of these
(v) Most of the water absorption in plants takes place through:
(a) Root caps
(b) Root hairs
(c) Stomata
(d) All of these
(e) None of these
(vi) Oxygen produced during photosynthesis comes from:
(a) CO2
(b) Carboxylic acid
(c) Glucose
(d) Protein
(e) None of these
(vii) Chloroplasts in bundle sheath cells of C4 plants do not contain:
(a) Grana
(b) Stroma
(c) Thylakoids
(d) All of these
(e) None of these
(viii) A group of major biotic communities occupying a climatic region of earth is called:
(a) Biome
(b) Biosphere
(c) Biotype
(d) Phenotype
(e) None of these
(ix) In which group of plants stomata open during night:
(a) C3 plants
(b) C4 plants
(c) Halophytes
(d) CAM plants
(e) None of these
(x) The occurrence of vegetation in layers is known as:
(a) Scarification
(b) Stratification
(c) Physiognomy
(d) Pattern
(e) None of these
(xi) A plasmid is a:
(a) DNA
(b) RAN
(c) Protein
(d) Microsome
(e) None of these
(xii) The total Genetic material within a cell is:
(a) Gene bank
(b) Genetic load
(c) Genome
(d) Genetic Marker
(e) None of these
(xiii) Ribsomal RNA helps in:
(a) Replication
(b) Transcription
(c) Translation
(d) Translocation
(e) None of these
(xiv) Which one of the following ions plays most important role in stomatal movement?
(a) K+
(b) Ca++ (c) Cl–
(d) Na+
(e) None of these
(xv) Dormancy in seeds may be due to:
(a) Hard seed coat
(b) Chemical Inhibitors
(c) Immature embryo
(d) All of these
(e) None of these
(xvi) How many ATP molecules are produced when one hexose sugar molecule is converted into two molecules of pyruvic acid during glycolysis?
(a) 15
(b) 26
(c) 28
(d) 36
(e) None of these
(xvii) Open sea constituting about 90% of total ocean surface is called:
(a) Pelgaic zone
(b) Littoral zone
(c) Intertida zone
(d) Neritic zone
(e) None of these
(xviii) Which one of the following RNAs is non-genetic and brings amino acids to the site of protein synthesis?
(a) m RNA
(b) t RNA
(c) hn RNA
(d) pre-r RNA
(e) None of these
(xix) Transfer of material , from higher concentration to lower concentration across semipermeable membrane is called:
(a) Mass flow
(b) Osmosis
(c) Ascent of Sap
(d) Diffusion
(e) None of these
(xx) Optimum phosphorus uptake by roots takes place at:
(a) Neutral pH
(b) Acidic pH
(c) Alkaline pH
(d) All of these
(e) None of these
(a) Citric acid
(b) Isocitric acid
(c) lactic acid
(d) Glutamic acid
(e) None of these
(ii) Plants growing under saline conditions are:
(a) Holophytes
(b) Mesophytes
(c) Hygrophytes
(d) Halophytes
(e) None of these
(iii) The first product of CO2 fixation in C3 plants is:
(a) Phosphoglyceric acid
(b) Glycolic acid
(c) Citric acid
(d) Glutamic acid
(e) None of these
(iv) Mutations are most likely to be caused by:
(a) 1AA
(b) CO2
(c) Dextrose
(d) Glycine
(e) None of these
(v) Most of the water absorption in plants takes place through:
(a) Root caps
(b) Root hairs
(c) Stomata
(d) All of these
(e) None of these
(vi) Oxygen produced during photosynthesis comes from:
(a) CO2
(b) Carboxylic acid
(c) Glucose
(d) Protein
(e) None of these
(vii) Chloroplasts in bundle sheath cells of C4 plants do not contain:
(a) Grana
(b) Stroma
(c) Thylakoids
(d) All of these
(e) None of these
(viii) A group of major biotic communities occupying a climatic region of earth is called:
(a) Biome
(b) Biosphere
(c) Biotype
(d) Phenotype
(e) None of these
(ix) In which group of plants stomata open during night:
(a) C3 plants
(b) C4 plants
(c) Halophytes
(d) CAM plants
(e) None of these
(x) The occurrence of vegetation in layers is known as:
(a) Scarification
(b) Stratification
(c) Physiognomy
(d) Pattern
(e) None of these
(xi) A plasmid is a:
(a) DNA
(b) RAN
(c) Protein
(d) Microsome
(e) None of these
(xii) The total Genetic material within a cell is:
(a) Gene bank
(b) Genetic load
(c) Genome
(d) Genetic Marker
(e) None of these
(xiii) Ribsomal RNA helps in:
(a) Replication
(b) Transcription
(c) Translation
(d) Translocation
(e) None of these
(xiv) Which one of the following ions plays most important role in stomatal movement?
(a) K+
(b) Ca++ (c) Cl–
(d) Na+
(e) None of these
(xv) Dormancy in seeds may be due to:
(a) Hard seed coat
(b) Chemical Inhibitors
(c) Immature embryo
(d) All of these
(e) None of these
(xvi) How many ATP molecules are produced when one hexose sugar molecule is converted into two molecules of pyruvic acid during glycolysis?
(a) 15
(b) 26
(c) 28
(d) 36
(e) None of these
(xvii) Open sea constituting about 90% of total ocean surface is called:
(a) Pelgaic zone
(b) Littoral zone
(c) Intertida zone
(d) Neritic zone
(e) None of these
(xviii) Which one of the following RNAs is non-genetic and brings amino acids to the site of protein synthesis?
(a) m RNA
(b) t RNA
(c) hn RNA
(d) pre-r RNA
(e) None of these
(xix) Transfer of material , from higher concentration to lower concentration across semipermeable membrane is called:
(a) Mass flow
(b) Osmosis
(c) Ascent of Sap
(d) Diffusion
(e) None of these
(xx) Optimum phosphorus uptake by roots takes place at:
(a) Neutral pH
(b) Acidic pH
(c) Alkaline pH
(d) All of these
(e) None of these
(a) Cyanochloranta
(b) Chlorophycophyta
(c) Charophyta
(d) Cryptophycophyta
(e) None of these
(ii) If the gametes and gametangia in Fungi are of unequal size, they are termed as:
(a) Heterothallic
(b) Homothallic
(c) Isogametes
(d) Anisogametes
(e) None of these
(iii) Chlorophyll ‘d’ exists in:
(a) Pyrrophyta
(b) Phaeophyta
(c) Cryptophyta
(d) Rhodophyta
(e) None of these
(iv) Which of the type of chlorophyll is rare in Xanthophyceae and has been determined in only two of its genera:
(a) chlorophyll ‘a’
(b) chlorophyll ‘e’
(c) chlorophyll ‘b’
(d) chlorophyll ‘d’
(e) None of these
(v) The Axoneme in an algal filament is composed of ____________ fibrils:
(a) five
(b) seven
(c) eleven
(d) one
(e) None of these
(vi) An antibiotic called “Chlorellin” is derived from:
(a) Chara
(b) Spirogyra
(c) Volvox
(d) Chlorella
(e) None of these
(vii) In Pakistan, Volvox is found abundantly in water ponds during the months of:
(a) March and April
(b) May and June
(c) November and December
(d) January and February
(e) None of these
(viii) Because of extracting ______ from water and depositing it in their walls different species of Chara are referred to as “Stone Worts:
(a) Sodium chloride
(b) Calcium carbonate
(c) Potassium sulphate
(d) Potassium nitrate
(e) None of these
(ix) Puccinia graminis causes _______ in wheat:
(a) Yellow or stripe rust
(b) Brown or orange leaf rust
(c) Black or stem rust
(d) Loose green smut
(e) None of these
(x) The zero and one stages of Puccinia graminis are produced on:
(a) Triticum aestivum
(b) Hordeum Vulgare
(c) Sorghum Vulgare
(d) Barberis Vulgaris
(e) None of these
(xi) A stable self-supporting association of a _______ is termed as lichen:
(a) bryophyte & a pteridophyte
(b) mycobiont & a phycobiont
(c) plant & animal
(d) gymnosperm & angiosperm
(e) None of these
(xii) Equisetum is the only living genus that belongs to:
(a) Sphenopsida
(b) Caphalida
(c) Chlorophycophyta
(d) Pteropsida
(e) None of these
(xiii) The genus Equisetum comprises about 25 species distributed world-over except in:
(a) Eurasia
(b) North America
(c) South America
(d) Australasia
(e) None of these
(xiv) The members of class Filicinae in pteridophyta date back to _______ era:
(a) Mesozoic
(b) Paleozoic
(c) Cenozoic
(d) Cambrian
(e) None of these
(xv) Marsilea quadrifolia belongs to the group of plants known as:
(a) Lichens
(b) Sedges
(c) Ferns
(d) Shrubs
(e) None of these
(xvi) ________ show marked affinities with both Pteridophytes and angiosperms:
(a) Bryophytes
(b) Hydrophytes
(c) Gymnosperms
(d) Epiphytes
(e) None of these
(xvii) _______ has five leaves in the spur:
(a) Pinus longifolia
(b) Pinus excelsa
(c) Pinus roxberghii
(d) Pinus wallichiana
(e) None of these
(xviii) The resting period between pollination and fertilization in Taxas baccata may be:
(a) Five to ten months
(b) Two to three months
(c) One to two months
(d) Ten to eleven months
(xix) In Ephedra, the oosphore undergoes repeated divisions to produce eight-celled:
(a) Zygote
(b) Zygosphore
(c) Endosperm
(d) Pro-embryo
(e) None of these
(xx) Double fertilization is a characteristic of:
(a) Gymnosperms
(b) Bryophytes
(c) Angiosperms
(d) Pteridophytes
(e) None of these
(b) Chlorophycophyta
(c) Charophyta
(d) Cryptophycophyta
(e) None of these
(ii) If the gametes and gametangia in Fungi are of unequal size, they are termed as:
(a) Heterothallic
(b) Homothallic
(c) Isogametes
(d) Anisogametes
(e) None of these
(iii) Chlorophyll ‘d’ exists in:
(a) Pyrrophyta
(b) Phaeophyta
(c) Cryptophyta
(d) Rhodophyta
(e) None of these
(iv) Which of the type of chlorophyll is rare in Xanthophyceae and has been determined in only two of its genera:
(a) chlorophyll ‘a’
(b) chlorophyll ‘e’
(c) chlorophyll ‘b’
(d) chlorophyll ‘d’
(e) None of these
(v) The Axoneme in an algal filament is composed of ____________ fibrils:
(a) five
(b) seven
(c) eleven
(d) one
(e) None of these
(vi) An antibiotic called “Chlorellin” is derived from:
(a) Chara
(b) Spirogyra
(c) Volvox
(d) Chlorella
(e) None of these
(vii) In Pakistan, Volvox is found abundantly in water ponds during the months of:
(a) March and April
(b) May and June
(c) November and December
(d) January and February
(e) None of these
(viii) Because of extracting ______ from water and depositing it in their walls different species of Chara are referred to as “Stone Worts:
(a) Sodium chloride
(b) Calcium carbonate
(c) Potassium sulphate
(d) Potassium nitrate
(e) None of these
(ix) Puccinia graminis causes _______ in wheat:
(a) Yellow or stripe rust
(b) Brown or orange leaf rust
(c) Black or stem rust
(d) Loose green smut
(e) None of these
(x) The zero and one stages of Puccinia graminis are produced on:
(a) Triticum aestivum
(b) Hordeum Vulgare
(c) Sorghum Vulgare
(d) Barberis Vulgaris
(e) None of these
(xi) A stable self-supporting association of a _______ is termed as lichen:
(a) bryophyte & a pteridophyte
(b) mycobiont & a phycobiont
(c) plant & animal
(d) gymnosperm & angiosperm
(e) None of these
(xii) Equisetum is the only living genus that belongs to:
(a) Sphenopsida
(b) Caphalida
(c) Chlorophycophyta
(d) Pteropsida
(e) None of these
(xiii) The genus Equisetum comprises about 25 species distributed world-over except in:
(a) Eurasia
(b) North America
(c) South America
(d) Australasia
(e) None of these
(xiv) The members of class Filicinae in pteridophyta date back to _______ era:
(a) Mesozoic
(b) Paleozoic
(c) Cenozoic
(d) Cambrian
(e) None of these
(xv) Marsilea quadrifolia belongs to the group of plants known as:
(a) Lichens
(b) Sedges
(c) Ferns
(d) Shrubs
(e) None of these
(xvi) ________ show marked affinities with both Pteridophytes and angiosperms:
(a) Bryophytes
(b) Hydrophytes
(c) Gymnosperms
(d) Epiphytes
(e) None of these
(xvii) _______ has five leaves in the spur:
(a) Pinus longifolia
(b) Pinus excelsa
(c) Pinus roxberghii
(d) Pinus wallichiana
(e) None of these
(xviii) The resting period between pollination and fertilization in Taxas baccata may be:
(a) Five to ten months
(b) Two to three months
(c) One to two months
(d) Ten to eleven months
(xix) In Ephedra, the oosphore undergoes repeated divisions to produce eight-celled:
(a) Zygote
(b) Zygosphore
(c) Endosperm
(d) Pro-embryo
(e) None of these
(xx) Double fertilization is a characteristic of:
(a) Gymnosperms
(b) Bryophytes
(c) Angiosperms
(d) Pteridophytes
(e) None of these
(i) NADH from the Krebs cycle is approximately equal to:
(a) 2 ATP
(b) 3 ATP
(c) 4 ATP
(d) 6 ATP
(e) None of these
(ii) In mitochondrial electron transport chains, the final c acceptor is:
(a) H2O
(b) H2O2
(c) NAD+
(d) FAD
(e) None of these
(iii) The movement of water from cell to cell via plasmadesmata is called:
(a) Symplastic
(b) Transmembrane
(c) Apoplastic
(d) Facilitated
(e) None of these
(iv) In maize plant, the CO2 fixation mechanism is called:
(a) C3 pathway
(b) C4 pathway
(c) CAM pathway
(d) C3 – C4 intermediate
(e) None of these
(v) Salt-loving plants are known as:
(a) Glycophytes
(b) Halophytes
(c) Xerophytes
(d) Mesophytes
(e) None of these
(vi) With the addition of solution to a liquid system, the water potential of the system:
(a) Increases
(b) Decreases
(c) Remains stable
(d) Remains variable
(e) None of these
(vii) The conversion of pyruvate into acetyl C0. A is called:
(a) Glycolysis
(b) Fermentation
(c) Oxidative carboxylation
(d) B-Oxidation
(e) None of these
(viii) Between adenine and thymine, there are:
(a) Two hydrogen bonds
(b) 3 hydrogen bonds
(c) One hydrogen bond
(d) 4 hydrogen bonds
(e) None of these
(ix) The stage of meiosis in which pairing of homologous chromosomes starts is called:
(a) Leptotene
(b) Zygotene
(c) Diplotene
(d) Pachytene
(e) None of these
(x) The site of chromosome on which a gene is located is called:
(a) Allele
(b) Locus
(c) Site
(d) Trait
(e) None of these
(xi) In a dihybrid cross, the ratio of F2 generation is:
(a) 9:3:3:1
(b) 3:1
(c) 1:2:1
(d) 1:1
(e) None of these
(xii) When a single gene has multiple effects, the phenomenon is called:
(a) Codominance
(b) Epistasis
(c) Pleiotropy
(d) Genostasis
(e) None of these
(xiii) Lamarck’s theory of evolution was published in:
(a) 1807
(b) 1808
(c) 1809
(d) 1810
(e) None of these
(xiv) The book “Origin of Species” was written by:
(a) Linnaeus
(b) Lamarck
(c) Mendel
(d) Darwin
(e) None of these
(xv) The interaction between algae and fungi to form lichen is called:
(a) Parasitism
(b) Mutalism
(c) Commensalism
(d) Amensalism
(e) None of these
(xvi) The actual location or place where an organism lives is called:
(a) Habitat
(b) Ecosystem
(c) Niche
(d) Biome
(e) None of these
(xvii) Which of the biomes has been increased in area by human activities?
(a) Savanna
(b) Grassland
(c) Desert
(d) Coniferous forest
(e) None of these
(xviii) Which zone of the lake ecosystem consists of phyto-and zoo-planktons?
(a) Littoral zone
(b) Limnetic zone
(c) Profundal zone
(d) Water deep layers
(e) None of these
(xix) Which of the following is a biotic component of an ecosystem?
(a) Producers
(b) Consumers
(c) Decomposers
(d) All of these
(e) None of these
(xx) A sequence of changes in the community structure of an ecosystem over a period of time is called:
(a) Natural selection
(b) Succession
(c) Neo-Darwinism
(d) Lamarckism
(e) None of these
(a) 2 ATP
(b) 3 ATP
(c) 4 ATP
(d) 6 ATP
(e) None of these
(ii) In mitochondrial electron transport chains, the final c acceptor is:
(a) H2O
(b) H2O2
(c) NAD+
(d) FAD
(e) None of these
(iii) The movement of water from cell to cell via plasmadesmata is called:
(a) Symplastic
(b) Transmembrane
(c) Apoplastic
(d) Facilitated
(e) None of these
(iv) In maize plant, the CO2 fixation mechanism is called:
(a) C3 pathway
(b) C4 pathway
(c) CAM pathway
(d) C3 – C4 intermediate
(e) None of these
(v) Salt-loving plants are known as:
(a) Glycophytes
(b) Halophytes
(c) Xerophytes
(d) Mesophytes
(e) None of these
(vi) With the addition of solution to a liquid system, the water potential of the system:
(a) Increases
(b) Decreases
(c) Remains stable
(d) Remains variable
(e) None of these
(vii) The conversion of pyruvate into acetyl C0. A is called:
(a) Glycolysis
(b) Fermentation
(c) Oxidative carboxylation
(d) B-Oxidation
(e) None of these
(viii) Between adenine and thymine, there are:
(a) Two hydrogen bonds
(b) 3 hydrogen bonds
(c) One hydrogen bond
(d) 4 hydrogen bonds
(e) None of these
(ix) The stage of meiosis in which pairing of homologous chromosomes starts is called:
(a) Leptotene
(b) Zygotene
(c) Diplotene
(d) Pachytene
(e) None of these
(x) The site of chromosome on which a gene is located is called:
(a) Allele
(b) Locus
(c) Site
(d) Trait
(e) None of these
(xi) In a dihybrid cross, the ratio of F2 generation is:
(a) 9:3:3:1
(b) 3:1
(c) 1:2:1
(d) 1:1
(e) None of these
(xii) When a single gene has multiple effects, the phenomenon is called:
(a) Codominance
(b) Epistasis
(c) Pleiotropy
(d) Genostasis
(e) None of these
(xiii) Lamarck’s theory of evolution was published in:
(a) 1807
(b) 1808
(c) 1809
(d) 1810
(e) None of these
(xiv) The book “Origin of Species” was written by:
(a) Linnaeus
(b) Lamarck
(c) Mendel
(d) Darwin
(e) None of these
(xv) The interaction between algae and fungi to form lichen is called:
(a) Parasitism
(b) Mutalism
(c) Commensalism
(d) Amensalism
(e) None of these
(xvi) The actual location or place where an organism lives is called:
(a) Habitat
(b) Ecosystem
(c) Niche
(d) Biome
(e) None of these
(xvii) Which of the biomes has been increased in area by human activities?
(a) Savanna
(b) Grassland
(c) Desert
(d) Coniferous forest
(e) None of these
(xviii) Which zone of the lake ecosystem consists of phyto-and zoo-planktons?
(a) Littoral zone
(b) Limnetic zone
(c) Profundal zone
(d) Water deep layers
(e) None of these
(xix) Which of the following is a biotic component of an ecosystem?
(a) Producers
(b) Consumers
(c) Decomposers
(d) All of these
(e) None of these
(xx) A sequence of changes in the community structure of an ecosystem over a period of time is called:
(a) Natural selection
(b) Succession
(c) Neo-Darwinism
(d) Lamarckism
(e) None of these
(1) In protein synthesis, amono acid molecule attaches with tRNA with help of enzyme amonoacyl tRNA:(a) Synthetase(b) Synthase(c) Polymerase(d) None of these
(2) The term polyploidy is used according to the number of chromosomes set in nucleus:(a) One set(b) Three sets(c) Ten sets(d) Many sets(e) None of these
(3) The plant growth hormone discovered as a result of the investigations of the rice disease cause by Fusarium moliniform was:(a) Auxin(b) Ethylene(c) Gibberellin(d) None of these
(4) Transported soils deposited by the action of wind are classified as:(a) Eolian(b) Alluvial(c) Colluvial(d) None of these
(5) The RNA that acts as template in process of translation is called:(a) rRNA(b) mRNA(c) rRNA(d) None of these
(6) The movement of material with in the plant body is known as:(a) Absorption(b) Adsorption(c) Transformation(d) None of these
(7) How many ATP molecules are produced when one molecule of glucose is completely oxidized to H2O and CO2?(a) 8(b) 28(c) 32(d) 38(e) None of these
(8) Seeds that require light for germination are said to be:(a) Photoblastic(b) Photodormant(c) Photophile(d) Photozoic(e) None of these
(9) Viviparous germination is present in:(a) Mangroves(b) Lithophytes(c) Both (a) and (b)(d) None of these
(10) In eukaryotes the number of start codon is/are:(a) 1(b) 3(c) 4(d) 5(e) None of these
(11) The basis of evolution in living organisms is:(a) Allele(b) Mutation(c) Gene(d) None of these
(12) Plant absorbs water from soil by:(a) Root cap(b) Root tips(c) Root hairs(d) None of these
(13) The percentage of moisture held in a soil after the drainage of gravitational water is the:(a) Field capacity(b) Hygroscopic water(c) Permanent wilting percentage(d) None of these
(14) Changes in the arrangement of gene loci with in a chromosome are termed as:(a) Translocation(b) Deficiency(c) Duplication(d) None of these
(15) Acquired characters are inherited according to:(a) Darwin(b) Lamarck(c) Weismann(d) Miller(e) None of these
(16) The end product of Krebs cycle is:(a) Citric acid(b) Oxaloacetic acid(c) Pyruvic acid(d) Lactic acid(e) None of these
(17) The function of mRNA is:(a) Selection of amino acids(b) Production of tRNA(c) To synthesize DNA(d) None of these
(18) Replication of DNA is:(a) Conservative(b) Semi conservative(c) De novo(d) None of these
(19) Oxygen released from green plant comes from:(a) H2O(b) CO2(c) Glucose(d) Proteins(e) None of these
(20) Cacti and other succulents are typically found in:(a) Deserts(b) Forests(c) Mountains(d) Sea(e) None of these
(2) The term polyploidy is used according to the number of chromosomes set in nucleus:(a) One set(b) Three sets(c) Ten sets(d) Many sets(e) None of these
(3) The plant growth hormone discovered as a result of the investigations of the rice disease cause by Fusarium moliniform was:(a) Auxin(b) Ethylene(c) Gibberellin(d) None of these
(4) Transported soils deposited by the action of wind are classified as:(a) Eolian(b) Alluvial(c) Colluvial(d) None of these
(5) The RNA that acts as template in process of translation is called:(a) rRNA(b) mRNA(c) rRNA(d) None of these
(6) The movement of material with in the plant body is known as:(a) Absorption(b) Adsorption(c) Transformation(d) None of these
(7) How many ATP molecules are produced when one molecule of glucose is completely oxidized to H2O and CO2?(a) 8(b) 28(c) 32(d) 38(e) None of these
(8) Seeds that require light for germination are said to be:(a) Photoblastic(b) Photodormant(c) Photophile(d) Photozoic(e) None of these
(9) Viviparous germination is present in:(a) Mangroves(b) Lithophytes(c) Both (a) and (b)(d) None of these
(10) In eukaryotes the number of start codon is/are:(a) 1(b) 3(c) 4(d) 5(e) None of these
(11) The basis of evolution in living organisms is:(a) Allele(b) Mutation(c) Gene(d) None of these
(12) Plant absorbs water from soil by:(a) Root cap(b) Root tips(c) Root hairs(d) None of these
(13) The percentage of moisture held in a soil after the drainage of gravitational water is the:(a) Field capacity(b) Hygroscopic water(c) Permanent wilting percentage(d) None of these
(14) Changes in the arrangement of gene loci with in a chromosome are termed as:(a) Translocation(b) Deficiency(c) Duplication(d) None of these
(15) Acquired characters are inherited according to:(a) Darwin(b) Lamarck(c) Weismann(d) Miller(e) None of these
(16) The end product of Krebs cycle is:(a) Citric acid(b) Oxaloacetic acid(c) Pyruvic acid(d) Lactic acid(e) None of these
(17) The function of mRNA is:(a) Selection of amino acids(b) Production of tRNA(c) To synthesize DNA(d) None of these
(18) Replication of DNA is:(a) Conservative(b) Semi conservative(c) De novo(d) None of these
(19) Oxygen released from green plant comes from:(a) H2O(b) CO2(c) Glucose(d) Proteins(e) None of these
(20) Cacti and other succulents are typically found in:(a) Deserts(b) Forests(c) Mountains(d) Sea(e) None of these
(a) Calyx
(b) Bract
(c) Corolla
(d) Stamen
(e) None of these
(2) In Malvaceae androecium is characteristically:
(a) Monadelphous
(b)Didynamous
(c) Diadelphous
(d) Tetradynamous
(e) None of these
(3) The first phylogenetic system of plant classification was proposed by:
(a) Engler
(b) Prantl
(c) Wettstien
(d) Eichler
(e) None of these
(4) The androcium in Compositae is:
(a) Epitetalous and manodelphous
(b) Polyandrous and manodelphous
(c) Polyandrous and syngenesious
(d) Epitetalous and syngenesious
(e) None of these
(5) The fruit of mango is:
(a) Berry
(b) Drupe
(c) Pome
(d) Nut
(e) None of these
(6) Fungal spores produced asexually at tip or side of hyphae are called:
(a) Sporangiophore
(b) Anthrospores
(c) Conidia
(d) Spores
(e) None of these
(7) Damping off disease is caused by:
(a) Aspergillus
(b) Ustilago
(c) Pythium
(d) Puccinia
(e) None of these
(8) Obliquely placed ovary is present in the family:
(a) Rutaceae
(b) Solanaceae
(c) Malvaceae
(d) Labiatae
(e) None of these
(9) Gynobasic style arises from the base of ovary. This is characteristics of the family:
(a) Labiatae
(b) Solanaceae
(c) Compositae
(d) Malvaceae
(e) None of these
(10) Columella is present in sporangium of:
(a) Spirogyra
(b) Yeast
(c) Ulothrix
(d) Rhizopus
(11) Which of the following diseases is cause by fungus?
(a) Cholera
(b) Rust of wheat
(c) T.B
(d) Tetanus
(12) Target board effect is caused by:
(a) Alternaria
(b) Colletotrichum
(c) Pyricularia
(d) Helminthosporium
(13) Edible fungus is:
(a) Aspergillus
(b) Agaricus
(c) Penicillium
(d) None of these
(14) Clamp connections are very common in:
(a) Ascomycetes
(b) Basidiomycetes
(c) Phycomycetes
(d) None of these
(15) Penicillin was extracted by:
(a) Flemming
(b) Huxley
(c) Lamarck
(d) Brown
(16) Bacteria belong to:
(a) Schizomycetes
(b) Actinomycetes
(c) Epigynous
(d) None of these
(17) Mushroom is a:
(a) Parasite
(b) Saprophyte
(c) Photosynthetic
(d) None of these
(18) The sieve elements are the major components of:
(a) Xylem
(b) Phloem
(c) Cambuim
(d) None of these
(19) The gametes taking part in sexual reproduction of rhizopus are:
(a) Uninucleate
(b) Binucleate
(c) Multinucleate
(d) DIkaryotic
(e) None of these
(20) Blue green algae is a common name of:
(a) Xanthophyceate
(b) Chlorophyceae
(c) Cyanophycemae
(d) Charophyceae
(e) None of these
(b) Bract
(c) Corolla
(d) Stamen
(e) None of these
(2) In Malvaceae androecium is characteristically:
(a) Monadelphous
(b)Didynamous
(c) Diadelphous
(d) Tetradynamous
(e) None of these
(3) The first phylogenetic system of plant classification was proposed by:
(a) Engler
(b) Prantl
(c) Wettstien
(d) Eichler
(e) None of these
(4) The androcium in Compositae is:
(a) Epitetalous and manodelphous
(b) Polyandrous and manodelphous
(c) Polyandrous and syngenesious
(d) Epitetalous and syngenesious
(e) None of these
(5) The fruit of mango is:
(a) Berry
(b) Drupe
(c) Pome
(d) Nut
(e) None of these
(6) Fungal spores produced asexually at tip or side of hyphae are called:
(a) Sporangiophore
(b) Anthrospores
(c) Conidia
(d) Spores
(e) None of these
(7) Damping off disease is caused by:
(a) Aspergillus
(b) Ustilago
(c) Pythium
(d) Puccinia
(e) None of these
(8) Obliquely placed ovary is present in the family:
(a) Rutaceae
(b) Solanaceae
(c) Malvaceae
(d) Labiatae
(e) None of these
(9) Gynobasic style arises from the base of ovary. This is characteristics of the family:
(a) Labiatae
(b) Solanaceae
(c) Compositae
(d) Malvaceae
(e) None of these
(10) Columella is present in sporangium of:
(a) Spirogyra
(b) Yeast
(c) Ulothrix
(d) Rhizopus
(11) Which of the following diseases is cause by fungus?
(a) Cholera
(b) Rust of wheat
(c) T.B
(d) Tetanus
(12) Target board effect is caused by:
(a) Alternaria
(b) Colletotrichum
(c) Pyricularia
(d) Helminthosporium
(13) Edible fungus is:
(a) Aspergillus
(b) Agaricus
(c) Penicillium
(d) None of these
(14) Clamp connections are very common in:
(a) Ascomycetes
(b) Basidiomycetes
(c) Phycomycetes
(d) None of these
(15) Penicillin was extracted by:
(a) Flemming
(b) Huxley
(c) Lamarck
(d) Brown
(16) Bacteria belong to:
(a) Schizomycetes
(b) Actinomycetes
(c) Epigynous
(d) None of these
(17) Mushroom is a:
(a) Parasite
(b) Saprophyte
(c) Photosynthetic
(d) None of these
(18) The sieve elements are the major components of:
(a) Xylem
(b) Phloem
(c) Cambuim
(d) None of these
(19) The gametes taking part in sexual reproduction of rhizopus are:
(a) Uninucleate
(b) Binucleate
(c) Multinucleate
(d) DIkaryotic
(e) None of these
(20) Blue green algae is a common name of:
(a) Xanthophyceate
(b) Chlorophyceae
(c) Cyanophycemae
(d) Charophyceae
(e) None of these
A) Histology.
B) Physiology.
C) Molecular biology.
D) Microbiology.
Q.2 Different tissues having related functions together form:
A) Organ.
B) Individual.
C) Organelles.
D) Molecules.
Q.3 Statement made by a scientist that may or may not be true is:
A) Theory.
B) Hypothesis.
C) Scientific law.
D) Statement.
Q.4 The method by which pests are destroyed by using some living organisms is called:
A) Bio-pesticide.
B) Integrated management.
C) Biological control.
D) Pasteurization.
Q.5 Robert Hook was the first person to see cells in:
A) Various plants.
B) Animals.
C) Fungi.
D) Cork.
Q.6 The concept “OMNIS cellula-e-cellala” means that, new cells are formed from:
A) Non living materials.
B) Dead organic matter.
C) Pre-existing living cells.
D) As the result of chemical reactions.
Q.7 In generalized plant cell the nucleus is:
A) Present in middle of the cell.
B) Displaced to the side of the cell.
C) Absent.
D) Modified into endoplasmic
reticulum.
Q.8 Plasma membrane is found in the cells of:
A) Animals only.
B) Plants only.
C) Both in plants and animals.
D) Bacteria only.
Q.9 The semicircular channels and system of tubes found in cytoplasm are known as:
A) Ribosomes.
B) Glyoxisomes.
C) Endoplasmic reticulum.
D) Vacuoles.
Q.10 The structures that are involved in the manufacture and supply of energy to the cell
are:
A) Centrioles.
B) Plastids.
C) Nucleolus.
D) Mitochondria.
Q.11 In a plant cell chlorophyll is present in:
A) Chromoplasts.
B) Leucoplasts.
C) Stroma.
D) Chloroplasts.
Q.12 Cytokinesis is a division of:
A) Cytoplasm.
B) Chromosomes.
C) Nucleus.
D) Nucleolus.
Q.13 During cell division the plant cell is not seen to have:
A) Spindle fibers.
B) Chromatids.
C) Centromere.
D) Centrioles.
Q.14 Which human disease is due to meiotic errors:
A) Typhoid.
B) Cholera.
C) Measles.
D) Down’s syndrome.
Q.15 The basic element of all organic compounds is:
A) Oxygen.
B) Nitrogen.
C) Hydrogen.
D) Carbon.
Q.16 The most abundant carbohydrate in nature is:
A) Cellulose.
B) Glycogen.
C) Fructose.
D) Starch.
47
Q.17 Terpenoids are important group of compounds that are made up of simple repeating
units:
A) Acylglycerols.
B) Isoprenoids.
C) Phospholipids.
D) Ketones.
Q.18 The number of types of amino acid that are found to occur in cells are:
A) 20.
B) 25.
C) 100.
D) 170.
Q.19 Biochemically enzymes are:
A) Carbohydrates.
B) Fatty acids.
C) Hormones.
D) Proteins.
Q.20 The presence of enzymes:
A) Slows down the rate of reaction.
B) Increases the rate of reaction.
C) Does not show any change.
D) Completely stops the reaction.
Q.21 Lock and key model of enzyme reacting with substrate was originally proposed by:
A) Emil Fisher.
B) Koshland.
C) Robert Hook.
D) Robert Brown.
Q.22 The major RNA in the cell is ribosomal RNA. It makes up:
A) 80% of total RNAs.
B) 58% of total RNAs.
C) 90% of total RNAs.
D) 40% of total RNA.
Q.23 Optimum pH for pepsin to work efficiently is:
A) 4.50
B) 2.00
C) 6.80
D) 9.00
Q.24 Viruses are simplest organisms and:
A) Have their own enzymes.
B) Have cell membrane but not cell
wall.
C) Undergo cell division.
D) Are only DNA or RNA particles
without cellular structure.
Q.25 The most ancient bacteria are:
A) Eubacteria.
B) Archaeobacteria.
C) Escherichia coli.
D) Streptococci.
Q.26 The bacteria that cause diseases in human beings, are called:
A) Photosynthetic bacteria.
B) Chemosynthetic bacteria.
C) Facultative bacteria.
D) Pathogenic bacteria.
Q.27 The mutualistic association between certain fungi and roots of vascular plants is
called:
A) Lichens.
B) Parasitism.
C) Budding.
D) Mycorrhizae.
Q.28 Sponges which belong to phylum Porifera have:
A) Maximum capacity to regenerate.
B) Very little capacity to regenerate.
C) Moderate capacity to regenerate.
D) No regeneration capacity.
Q.29 The platyhelminthes liver fluke is:
A) Ectoparasite in humans.
B) Blood parasite.
C) Parasite of respiratory tract.
D) Parasite in the bile duct.
Q.30 Which of the following is of economic importance to man:
A) Daphnia.
B) Millipede.
C) Silkworm.
D) Scorpion.
Q.31 The name Nicotiana tabacum is given to:
A) Potato.
B) Tomato.
C) Red pepper.
D) Tobacco.
Q.32 Family Gramineae has:
A) Only wheat.
B) Only corn.
C) Only rice.
D) All of the above.
Q.33 During swallowing the food travels from oral cavity to the stomach by way of
oesophagus:
A) Very quickly.
B) By anti-peristalsis.
C) Pushed down by pharynx.
D) Moving due to peristalsis.
48
Q.34 The pancreas is a:
A) Part of Stomach.
B) Part of Small intestine.
C) Part of Large intestine.
D) Separate gland.
Q.35 The term chyme is applied to:
A) Semi-digestive food in oral cavity.
B) Semi-solid food in stomach.
C) Semi-digested food in the small
intestine.
D) Completely digested food in the
last part of small intestine.
Q.36 Villi and micro villi are present:
A) In pharynx.
B) In small intestine (jejunum).
C) In oesophagus.
D) In large intestine.
Q.37 Exchange of gases during orginismic respiration is carried out by:
A) Diffusion.
B) Active transport.
C) Osmosis.
D) Facilitated diffusion.
Q.38 The opening in the oral cavity (throat) through which air enters the wind pipe is
called:
A) Glottis.
B) Bronchus.
C) Larynx.
D) Pharynx.
Q.39 The double layer of thin membranes which line and cover lungs are called:
A) Diaphragm.
B) Alveoli.
C) Pleura.
D) Bronchioles.
Q.40 Transportation of oxygen from lungs to the tissue cells is by means of:
A) Complete blood.
B) Lymph.
C) Red blood cells.
D) White blood cells.
Q.41 Podocytes are present in:
A) Epithelium of renal capsule.
B) Endothelium of blood capillary.
C) Basement membrane of blood
capillary.
D) Epithelium of the PCT.
Q.42 Which of the following are the functions of proximal convoluted tubule:
A) Ultrafiltration and reabsorption.
B) Selective reabsorption and
retention of water.
C) Selective reabsorption and active
tubular secretion.
D) Reabsorption of water by the help
of ADH.
Q.43 The walls of descending limb of loop of Henle are:
A) Permeable to water as well as to
sodium and chloride.
B) Permeable to water but
impermeable to salts.
C) Impermeable to water and
permeable to sodium and chloride.
D) Impermeable to both water and
salts.
Q.44 ADH affects which of the following for retention of water:
A) Walls of collecting duct.
B) Walls of loop of Henle.
C) Glomerulus.
D) Proximal convoluted tubule.
Q.45 The counter-current multiplier mechanism is shown by which of the following:
A) Loop of Henle.
B) Proximal convoluted tubule.
C) Distal convoluted tubule.
D) Bowman’s capsule.
Q.46 Mechanoreceptors detect stimulus of:
A) Smell.
B) Light.
C) Pressure (touch).
D) Cold and warmth.
Q.47 The effectors in the human body which respond to a stimulus are:
A) Glands only.
B) Muscles only.
C) Both muscles and glands.
D) Bones.
Q.48 Loss of memory (Dementia) is also known as:
A) Alzheimer’s disease.
B) Epilepsy.
C) Parkinson’s disease.
D) Graves disease.
Q.49 A mix nerve consists of:
A) Motor and sensory nerve fibers.
B) Sensory and associative nerve
fibers.
C) Motor and associative nerve fibers.
D) Dendrons and dendrites.
49
Q.50 Which one of the following hormones is essential for the successful production of
sperms:
A) LH (Luteinizing Hormone).
B) Gonadotropin hormone.
C) Testosterone.
D) Follicle stimulating hormone (FSH).
B) Physiology.
C) Molecular biology.
D) Microbiology.
Q.2 Different tissues having related functions together form:
A) Organ.
B) Individual.
C) Organelles.
D) Molecules.
Q.3 Statement made by a scientist that may or may not be true is:
A) Theory.
B) Hypothesis.
C) Scientific law.
D) Statement.
Q.4 The method by which pests are destroyed by using some living organisms is called:
A) Bio-pesticide.
B) Integrated management.
C) Biological control.
D) Pasteurization.
Q.5 Robert Hook was the first person to see cells in:
A) Various plants.
B) Animals.
C) Fungi.
D) Cork.
Q.6 The concept “OMNIS cellula-e-cellala” means that, new cells are formed from:
A) Non living materials.
B) Dead organic matter.
C) Pre-existing living cells.
D) As the result of chemical reactions.
Q.7 In generalized plant cell the nucleus is:
A) Present in middle of the cell.
B) Displaced to the side of the cell.
C) Absent.
D) Modified into endoplasmic
reticulum.
Q.8 Plasma membrane is found in the cells of:
A) Animals only.
B) Plants only.
C) Both in plants and animals.
D) Bacteria only.
Q.9 The semicircular channels and system of tubes found in cytoplasm are known as:
A) Ribosomes.
B) Glyoxisomes.
C) Endoplasmic reticulum.
D) Vacuoles.
Q.10 The structures that are involved in the manufacture and supply of energy to the cell
are:
A) Centrioles.
B) Plastids.
C) Nucleolus.
D) Mitochondria.
Q.11 In a plant cell chlorophyll is present in:
A) Chromoplasts.
B) Leucoplasts.
C) Stroma.
D) Chloroplasts.
Q.12 Cytokinesis is a division of:
A) Cytoplasm.
B) Chromosomes.
C) Nucleus.
D) Nucleolus.
Q.13 During cell division the plant cell is not seen to have:
A) Spindle fibers.
B) Chromatids.
C) Centromere.
D) Centrioles.
Q.14 Which human disease is due to meiotic errors:
A) Typhoid.
B) Cholera.
C) Measles.
D) Down’s syndrome.
Q.15 The basic element of all organic compounds is:
A) Oxygen.
B) Nitrogen.
C) Hydrogen.
D) Carbon.
Q.16 The most abundant carbohydrate in nature is:
A) Cellulose.
B) Glycogen.
C) Fructose.
D) Starch.
47
Q.17 Terpenoids are important group of compounds that are made up of simple repeating
units:
A) Acylglycerols.
B) Isoprenoids.
C) Phospholipids.
D) Ketones.
Q.18 The number of types of amino acid that are found to occur in cells are:
A) 20.
B) 25.
C) 100.
D) 170.
Q.19 Biochemically enzymes are:
A) Carbohydrates.
B) Fatty acids.
C) Hormones.
D) Proteins.
Q.20 The presence of enzymes:
A) Slows down the rate of reaction.
B) Increases the rate of reaction.
C) Does not show any change.
D) Completely stops the reaction.
Q.21 Lock and key model of enzyme reacting with substrate was originally proposed by:
A) Emil Fisher.
B) Koshland.
C) Robert Hook.
D) Robert Brown.
Q.22 The major RNA in the cell is ribosomal RNA. It makes up:
A) 80% of total RNAs.
B) 58% of total RNAs.
C) 90% of total RNAs.
D) 40% of total RNA.
Q.23 Optimum pH for pepsin to work efficiently is:
A) 4.50
B) 2.00
C) 6.80
D) 9.00
Q.24 Viruses are simplest organisms and:
A) Have their own enzymes.
B) Have cell membrane but not cell
wall.
C) Undergo cell division.
D) Are only DNA or RNA particles
without cellular structure.
Q.25 The most ancient bacteria are:
A) Eubacteria.
B) Archaeobacteria.
C) Escherichia coli.
D) Streptococci.
Q.26 The bacteria that cause diseases in human beings, are called:
A) Photosynthetic bacteria.
B) Chemosynthetic bacteria.
C) Facultative bacteria.
D) Pathogenic bacteria.
Q.27 The mutualistic association between certain fungi and roots of vascular plants is
called:
A) Lichens.
B) Parasitism.
C) Budding.
D) Mycorrhizae.
Q.28 Sponges which belong to phylum Porifera have:
A) Maximum capacity to regenerate.
B) Very little capacity to regenerate.
C) Moderate capacity to regenerate.
D) No regeneration capacity.
Q.29 The platyhelminthes liver fluke is:
A) Ectoparasite in humans.
B) Blood parasite.
C) Parasite of respiratory tract.
D) Parasite in the bile duct.
Q.30 Which of the following is of economic importance to man:
A) Daphnia.
B) Millipede.
C) Silkworm.
D) Scorpion.
Q.31 The name Nicotiana tabacum is given to:
A) Potato.
B) Tomato.
C) Red pepper.
D) Tobacco.
Q.32 Family Gramineae has:
A) Only wheat.
B) Only corn.
C) Only rice.
D) All of the above.
Q.33 During swallowing the food travels from oral cavity to the stomach by way of
oesophagus:
A) Very quickly.
B) By anti-peristalsis.
C) Pushed down by pharynx.
D) Moving due to peristalsis.
48
Q.34 The pancreas is a:
A) Part of Stomach.
B) Part of Small intestine.
C) Part of Large intestine.
D) Separate gland.
Q.35 The term chyme is applied to:
A) Semi-digestive food in oral cavity.
B) Semi-solid food in stomach.
C) Semi-digested food in the small
intestine.
D) Completely digested food in the
last part of small intestine.
Q.36 Villi and micro villi are present:
A) In pharynx.
B) In small intestine (jejunum).
C) In oesophagus.
D) In large intestine.
Q.37 Exchange of gases during orginismic respiration is carried out by:
A) Diffusion.
B) Active transport.
C) Osmosis.
D) Facilitated diffusion.
Q.38 The opening in the oral cavity (throat) through which air enters the wind pipe is
called:
A) Glottis.
B) Bronchus.
C) Larynx.
D) Pharynx.
Q.39 The double layer of thin membranes which line and cover lungs are called:
A) Diaphragm.
B) Alveoli.
C) Pleura.
D) Bronchioles.
Q.40 Transportation of oxygen from lungs to the tissue cells is by means of:
A) Complete blood.
B) Lymph.
C) Red blood cells.
D) White blood cells.
Q.41 Podocytes are present in:
A) Epithelium of renal capsule.
B) Endothelium of blood capillary.
C) Basement membrane of blood
capillary.
D) Epithelium of the PCT.
Q.42 Which of the following are the functions of proximal convoluted tubule:
A) Ultrafiltration and reabsorption.
B) Selective reabsorption and
retention of water.
C) Selective reabsorption and active
tubular secretion.
D) Reabsorption of water by the help
of ADH.
Q.43 The walls of descending limb of loop of Henle are:
A) Permeable to water as well as to
sodium and chloride.
B) Permeable to water but
impermeable to salts.
C) Impermeable to water and
permeable to sodium and chloride.
D) Impermeable to both water and
salts.
Q.44 ADH affects which of the following for retention of water:
A) Walls of collecting duct.
B) Walls of loop of Henle.
C) Glomerulus.
D) Proximal convoluted tubule.
Q.45 The counter-current multiplier mechanism is shown by which of the following:
A) Loop of Henle.
B) Proximal convoluted tubule.
C) Distal convoluted tubule.
D) Bowman’s capsule.
Q.46 Mechanoreceptors detect stimulus of:
A) Smell.
B) Light.
C) Pressure (touch).
D) Cold and warmth.
Q.47 The effectors in the human body which respond to a stimulus are:
A) Glands only.
B) Muscles only.
C) Both muscles and glands.
D) Bones.
Q.48 Loss of memory (Dementia) is also known as:
A) Alzheimer’s disease.
B) Epilepsy.
C) Parkinson’s disease.
D) Graves disease.
Q.49 A mix nerve consists of:
A) Motor and sensory nerve fibers.
B) Sensory and associative nerve
fibers.
C) Motor and associative nerve fibers.
D) Dendrons and dendrites.
49
Q.50 Which one of the following hormones is essential for the successful production of
sperms:
A) LH (Luteinizing Hormone).
B) Gonadotropin hormone.
C) Testosterone.
D) Follicle stimulating hormone (FSH).
Q.51 Treponema pallidum cause a disease (sexually transmitted) called:
A) Genital Herpes.
B) AIDS.
C) Gonorrhoa.
D) Syphilis.
Q.52 The fertilization of ovum takes place in the proximal part of the:
A) Uterus.
B) Oviduct.
C) Placenta.
D) Urethra.
Q.53 Pregnancy is maintained by the:
A) LTH (Luteotropic hormone).
B) Progesterone.
C) Corticosteroids.
D) LH and FSH.
Q.54 At which month of pregnancy the human embryo is referred to as the fetus:
A) 3rd month.
B) 4th month.
C) 6th month.
D) 2nd month.
Q.55 Muscle fatigue is due to accumulation of:
A) Lactic acid.
B) ATP.
C) Glucose.
D) Fats.
Q.56 Diameter of skeletal muscle fiber is:
A) 2-50 μm.
B) 30-90 μm.
C) 10-100 μm.
D) 1-80 μm.
Q.57 Lining of digestive system contain the:
A) Skeletal muscles.
B) Skeletal and cardiac muscles.
C) Cardiac muscles.
D) Smooth muscles.
Q.58 The vertebral column consists of _______ vertebrae:
A) 33
B) 30
C) 28
D) 38
Q.59 The most abundant type of bone found on moveable joints is:
A) Bone.
B) Hyaline cartilage.
C) Fibro-cartilage.
D) Bone and fibro-cartilage.
Q.60 Which of the following is a hormone:
A) Gastric juice.
B) Pancreatic juice.
C) Bile.
D) Insulin.
Q.61 The hormones in the human body are produced by:
A) Brain only.
B) Liver only.
C) Pancreas only.
D) Different endocrine glands.
Q.62 Insulin is a hormone produced by:
A) Thyroid gland.
B) Parathyroid.
C) Adrenaline gland.
D) Pancreas.
Q.63 The hormone called Parathormone regulates calcium level in the blood. This hormone
is produced by:
A) Gonads.
B) Gut.
C) Thyroid gland.
D) Parathyroid.
Q.64 The chemical nature of antibody is:
A) Glycoproteins.
B) Glycolipids.
C) Lipoproteins.
D) Polysaccharides.
Q.65 Which chemicals are secreted by T-helper cells to stimulate B-plasma cells to divide:
A) Interferons.
B) Cytokines.
C) Histamines.
D) Fibrin.
Q.66 Which of the following is described as vaccination:
A) Artificial active immunity.
B) Natural active immunity.
C) Artificial passive immunity.
D) Natural passive immunity.
Q.67 B-lymphocytes and T-lymphocytes are formed:
A) Before birth in bone marrow.
B) Before birth in thymus gland.
C) After maturity in blood.
D) After birth in blood.
50
Q.68 The antibodies provided to infant through mother’s milk is an example of:
A) Natural passive immunity.
B) Artificial passive immunity.
C) Natural active immunity.
D) Artificial active immunity.
Q.69 Which of the following is not the end product of glycolysis:
A) Pyruvate.
B) ATP.
C) Oxaloacetate.
D) Reduced NAD.
Q.70 Which of the following process does occur for the formation of acetyl Co-A from
pyruvate:
A) Decarboxylation.
B) Hydrogenation.
C) Carboxylation.
D) Deaminaiton.
Q.71 At the beginning of Krebs cycle, acetyl Co-A combines with which substance to form
citrate (6-C):
A) Oxaloacetate.
B) Oxoglutarate.
C) Fumarate.
D) Succinate.
Q.72 Which of the following are the end products of light dependent stage, used in the
Calvin cycle to change glycerate-3-phosphates into triose phosphates:
A) NADPH + ATP
B) NADH + ATP
C) RuBp + ATP
D) O2 + NADPH
Q.73 Which of the following is not the end product of non-cyclic photophosphorylation:
A) Reduced NADP.
B) ATP.
C) O2.
D) CO2.
Q.74 Enzymes restriction endonucleases were isolated from:
A) Viruses.
B) Bacteria.
C) Fungi.
D) Protozoan.
Q.75 During polymerase chain reaction, how DNA double helix is separated:
A) By heat treatment.
B) By use of enzyme DNA Polymerase.
C) By use of enzyme DNA Helicase.
D) By use of enzyme DNA Ligase.
Q.76 Which enzyme is used to join the desired gene into the plasmid DNA during genetic
engineering:
A) DNA Helicase.
B) DNA Ligase.
C) DNA Polymerase.
D) Taq Polymerase.
Q.77 Which of the following is an example of benefits of transgenic organisms produced
through genetic engineering:
A) Production of antibiotics.
B) Production of insulin.
C) Production of anti-rabies vaccine.
D) Production of anti-malarial drugs.
Q.78 In cystic fibrosis transportation of which ion is faulty, resulting into the production of
disease:
A) Chloride.
B) Fluoride.
C) Calcium.
D) Magnesium.
Q.79 A group of inter-breeding individuals occurring together in a space and time is called:
A) Community.
B) Population.
C) Niche.
D) Species.
Q.80 Which of these is biotic factor of the ecosystem:
A) Air.
B) Water.
C) Soil.
D) Photosynthetic plants.
Q.81 An association between organisms which brings benefit to both the organisms is
known as:
A) Predation.
B) Commensalism.
C) Grazing.
D) Symbiosis.
Q.82 When succession is completed, a great diversity of plants and a stable community is
seen, which is called:
A) Hydrosphere.
B) Pioneers.
C) Climax community.
D) Secondary succession.
Q.83 A thin layer of earth in which all living organisms exists is called:
A) Ecosystem.
B) Biosphere.
C) Habitat.
D) Xerosere.
51
Q.84 The branch of biology that provide evidence through fossil record is called:
A) Vestigial structures.
B) Comparative anatomy.
C) Biogeography.
D) Palaeontology.
Q.85 One of the factors given below does not effect gene frequency:
A) Mutation.
B) Migration.
C) Genetic drift.
D) Food.
Q.86 Charles Darwin gave the:
A) Theory of special creation.
B) Theory of Natural selection.
C) Inheritance of acquired characters.
D) Cell theory.
Q.87 A gene which has multiple phenotypic effect is called:
A) Pleiotropic.
B) Epistasis.
C) Multiple allele.
D) Locus.
Q.88 Change in the nature of gene is known as:
A) Incomplete dominance.
B) Pleiotropy.
C) Mutation.
D) Polygenic trait
A) Genital Herpes.
B) AIDS.
C) Gonorrhoa.
D) Syphilis.
Q.52 The fertilization of ovum takes place in the proximal part of the:
A) Uterus.
B) Oviduct.
C) Placenta.
D) Urethra.
Q.53 Pregnancy is maintained by the:
A) LTH (Luteotropic hormone).
B) Progesterone.
C) Corticosteroids.
D) LH and FSH.
Q.54 At which month of pregnancy the human embryo is referred to as the fetus:
A) 3rd month.
B) 4th month.
C) 6th month.
D) 2nd month.
Q.55 Muscle fatigue is due to accumulation of:
A) Lactic acid.
B) ATP.
C) Glucose.
D) Fats.
Q.56 Diameter of skeletal muscle fiber is:
A) 2-50 μm.
B) 30-90 μm.
C) 10-100 μm.
D) 1-80 μm.
Q.57 Lining of digestive system contain the:
A) Skeletal muscles.
B) Skeletal and cardiac muscles.
C) Cardiac muscles.
D) Smooth muscles.
Q.58 The vertebral column consists of _______ vertebrae:
A) 33
B) 30
C) 28
D) 38
Q.59 The most abundant type of bone found on moveable joints is:
A) Bone.
B) Hyaline cartilage.
C) Fibro-cartilage.
D) Bone and fibro-cartilage.
Q.60 Which of the following is a hormone:
A) Gastric juice.
B) Pancreatic juice.
C) Bile.
D) Insulin.
Q.61 The hormones in the human body are produced by:
A) Brain only.
B) Liver only.
C) Pancreas only.
D) Different endocrine glands.
Q.62 Insulin is a hormone produced by:
A) Thyroid gland.
B) Parathyroid.
C) Adrenaline gland.
D) Pancreas.
Q.63 The hormone called Parathormone regulates calcium level in the blood. This hormone
is produced by:
A) Gonads.
B) Gut.
C) Thyroid gland.
D) Parathyroid.
Q.64 The chemical nature of antibody is:
A) Glycoproteins.
B) Glycolipids.
C) Lipoproteins.
D) Polysaccharides.
Q.65 Which chemicals are secreted by T-helper cells to stimulate B-plasma cells to divide:
A) Interferons.
B) Cytokines.
C) Histamines.
D) Fibrin.
Q.66 Which of the following is described as vaccination:
A) Artificial active immunity.
B) Natural active immunity.
C) Artificial passive immunity.
D) Natural passive immunity.
Q.67 B-lymphocytes and T-lymphocytes are formed:
A) Before birth in bone marrow.
B) Before birth in thymus gland.
C) After maturity in blood.
D) After birth in blood.
50
Q.68 The antibodies provided to infant through mother’s milk is an example of:
A) Natural passive immunity.
B) Artificial passive immunity.
C) Natural active immunity.
D) Artificial active immunity.
Q.69 Which of the following is not the end product of glycolysis:
A) Pyruvate.
B) ATP.
C) Oxaloacetate.
D) Reduced NAD.
Q.70 Which of the following process does occur for the formation of acetyl Co-A from
pyruvate:
A) Decarboxylation.
B) Hydrogenation.
C) Carboxylation.
D) Deaminaiton.
Q.71 At the beginning of Krebs cycle, acetyl Co-A combines with which substance to form
citrate (6-C):
A) Oxaloacetate.
B) Oxoglutarate.
C) Fumarate.
D) Succinate.
Q.72 Which of the following are the end products of light dependent stage, used in the
Calvin cycle to change glycerate-3-phosphates into triose phosphates:
A) NADPH + ATP
B) NADH + ATP
C) RuBp + ATP
D) O2 + NADPH
Q.73 Which of the following is not the end product of non-cyclic photophosphorylation:
A) Reduced NADP.
B) ATP.
C) O2.
D) CO2.
Q.74 Enzymes restriction endonucleases were isolated from:
A) Viruses.
B) Bacteria.
C) Fungi.
D) Protozoan.
Q.75 During polymerase chain reaction, how DNA double helix is separated:
A) By heat treatment.
B) By use of enzyme DNA Polymerase.
C) By use of enzyme DNA Helicase.
D) By use of enzyme DNA Ligase.
Q.76 Which enzyme is used to join the desired gene into the plasmid DNA during genetic
engineering:
A) DNA Helicase.
B) DNA Ligase.
C) DNA Polymerase.
D) Taq Polymerase.
Q.77 Which of the following is an example of benefits of transgenic organisms produced
through genetic engineering:
A) Production of antibiotics.
B) Production of insulin.
C) Production of anti-rabies vaccine.
D) Production of anti-malarial drugs.
Q.78 In cystic fibrosis transportation of which ion is faulty, resulting into the production of
disease:
A) Chloride.
B) Fluoride.
C) Calcium.
D) Magnesium.
Q.79 A group of inter-breeding individuals occurring together in a space and time is called:
A) Community.
B) Population.
C) Niche.
D) Species.
Q.80 Which of these is biotic factor of the ecosystem:
A) Air.
B) Water.
C) Soil.
D) Photosynthetic plants.
Q.81 An association between organisms which brings benefit to both the organisms is
known as:
A) Predation.
B) Commensalism.
C) Grazing.
D) Symbiosis.
Q.82 When succession is completed, a great diversity of plants and a stable community is
seen, which is called:
A) Hydrosphere.
B) Pioneers.
C) Climax community.
D) Secondary succession.
Q.83 A thin layer of earth in which all living organisms exists is called:
A) Ecosystem.
B) Biosphere.
C) Habitat.
D) Xerosere.
51
Q.84 The branch of biology that provide evidence through fossil record is called:
A) Vestigial structures.
B) Comparative anatomy.
C) Biogeography.
D) Palaeontology.
Q.85 One of the factors given below does not effect gene frequency:
A) Mutation.
B) Migration.
C) Genetic drift.
D) Food.
Q.86 Charles Darwin gave the:
A) Theory of special creation.
B) Theory of Natural selection.
C) Inheritance of acquired characters.
D) Cell theory.
Q.87 A gene which has multiple phenotypic effect is called:
A) Pleiotropic.
B) Epistasis.
C) Multiple allele.
D) Locus.
Q.88 Change in the nature of gene is known as:
A) Incomplete dominance.
B) Pleiotropy.
C) Mutation.
D) Polygenic trait
(i) The spores in bryophytic plant represent the first cell of the:
(a) Gametophytic generation
(b) Sporophytic generation
(c) Asexual generation
(d) All of these
(e) None of these
(ii) Algal members of classes Euglenophyceae and chlorophyceae are similar in the:
(a) Cell wall structure
(b) Reserve food
(c) Pigment composition
(d) Structure of flagella
(e) None of these
(iii) Crystocarp is a structure developed after fertilization in:
(a) Blue green algae
(b) Actinomycetes
(c) Bryophetes
(d) Red algae
(e) None of these
(iv) Rice belongs to family:
(a) Malvaceae
(b) Fabiaceae
(c) Solonaceae
(d) Poaceae
(e) None of these
(v) Gametophyte of fern is called:
(a) Prothallus
(b) Protocorm
(c) Thallus
(d) Gametangia
(e) None of these
(vi) The sieve elements are major component of:
(a) Cambium
(b) Apical meristem
(c) Xylem
(d) Phloem
(e) None of these
(vii) Which one of these is a parasite:
(a) Sunflower
(b) Begonia
(c) Biden
(d) Brasica
(e) None of these
(viii) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:
(a) Cycas
(b) Adiantam
(c) Equisetum
(d) All of these
(e) None of these
(ix) Double fertilization is a typical characteristic of:
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Angiosperm
(e) All of these
(x) Marchantia reproduces vegetatively by:
(a) Apospory
(b) Gemma Cup
(c) Budding
(d) All of these
(e) None of these
(xi) Plant cell wall is composed of:
(a) Cellulose
(b) Polypeptides
(c) Phospholipids
(d) Starch
(e) None of these
(xii) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called:
(a) Prostele
(b) Radial stele
(c) Centric stele
(d) Eustele
(e) None of these
(xiii) In which the following edible part is obtained from the Rhizome:
(a) Potato
(b) Ginger
(c) Sugar beet
(d) Onion
(e) None of these
(xiv) Fertilization within an unopened flower is called:
(a) Cleistogramy
(b) Cleistocary
(c) Isogamy
(d) Oogamy
(e) None of these
(xv) Meiosis takes place during:
(a) Gamete formation
(b) Zygote formation
(c) Cambium formation
(d) All of these
(e) None of these
(xvi) Edible fungus is:
(a) Penicillium
(b) Agaricus
(c) Aspergillus
(d) Phythium
(e) None of these
(xvii) Speciation is:
(a) Origin of species
(b) Evolution of species
(c) Identification of species
(d) Preservation of species
(e) None of these
(xviii) Collective name given to sporangia in fern is:
(a) Sorus
(b) Sporangium
(c) Spathe
(d) Sporangiophore
(e) None of these
(xix) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are:
(a) Lecoplasts
(b) Ribosomes
(c) Microsomes
(d) Pyenidium
(e) None of these
(xx) Heterocysts are present in:
(a) Volvox
(b) Clostridium
(c) Cycas
(d) E-Coli
(e) None of these
(a) Gametophytic generation
(b) Sporophytic generation
(c) Asexual generation
(d) All of these
(e) None of these
(ii) Algal members of classes Euglenophyceae and chlorophyceae are similar in the:
(a) Cell wall structure
(b) Reserve food
(c) Pigment composition
(d) Structure of flagella
(e) None of these
(iii) Crystocarp is a structure developed after fertilization in:
(a) Blue green algae
(b) Actinomycetes
(c) Bryophetes
(d) Red algae
(e) None of these
(iv) Rice belongs to family:
(a) Malvaceae
(b) Fabiaceae
(c) Solonaceae
(d) Poaceae
(e) None of these
(v) Gametophyte of fern is called:
(a) Prothallus
(b) Protocorm
(c) Thallus
(d) Gametangia
(e) None of these
(vi) The sieve elements are major component of:
(a) Cambium
(b) Apical meristem
(c) Xylem
(d) Phloem
(e) None of these
(vii) Which one of these is a parasite:
(a) Sunflower
(b) Begonia
(c) Biden
(d) Brasica
(e) None of these
(viii) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:
(a) Cycas
(b) Adiantam
(c) Equisetum
(d) All of these
(e) None of these
(ix) Double fertilization is a typical characteristic of:
(a) Algae
(b) Fungi
(c) Bryophytes
(d) Angiosperm
(e) All of these
(x) Marchantia reproduces vegetatively by:
(a) Apospory
(b) Gemma Cup
(c) Budding
(d) All of these
(e) None of these
(xi) Plant cell wall is composed of:
(a) Cellulose
(b) Polypeptides
(c) Phospholipids
(d) Starch
(e) None of these
(xii) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called:
(a) Prostele
(b) Radial stele
(c) Centric stele
(d) Eustele
(e) None of these
(xiii) In which the following edible part is obtained from the Rhizome:
(a) Potato
(b) Ginger
(c) Sugar beet
(d) Onion
(e) None of these
(xiv) Fertilization within an unopened flower is called:
(a) Cleistogramy
(b) Cleistocary
(c) Isogamy
(d) Oogamy
(e) None of these
(xv) Meiosis takes place during:
(a) Gamete formation
(b) Zygote formation
(c) Cambium formation
(d) All of these
(e) None of these
(xvi) Edible fungus is:
(a) Penicillium
(b) Agaricus
(c) Aspergillus
(d) Phythium
(e) None of these
(xvii) Speciation is:
(a) Origin of species
(b) Evolution of species
(c) Identification of species
(d) Preservation of species
(e) None of these
(xviii) Collective name given to sporangia in fern is:
(a) Sorus
(b) Sporangium
(c) Spathe
(d) Sporangiophore
(e) None of these
(xix) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are:
(a) Lecoplasts
(b) Ribosomes
(c) Microsomes
(d) Pyenidium
(e) None of these
(xx) Heterocysts are present in:
(a) Volvox
(b) Clostridium
(c) Cycas
(d) E-Coli
(e) None of these
1) A group of major regional biotic communities occupying a climatic region of earth is known as:
a. Biotype
b. Biome
c. Biozone
d. Biosphere
e. None of these
2) Alleles separated during gamete formation are again brought together during:
a. Mutation
b. Pollination
c. Fertilization
d. Crossing over
e. None of these
3) How many ATP molecules are produced when one hexose is completely oxidized through aerobic pathway of respiration:
a. 28
b. 32
c. 36
d. 39
e. None of these
4) Which of the following enzyme break down H2O2:
a. Kinase
b. Fumarase
c. Catalase
d. Cellulase
e. None of these
5) Which one of the following is a plant growth regulator:
a. 2, 4-D
b. Nitrous Oxide
c. Sorbitol
d. None of these
6) Protein synthesis in plant cell takes place in:
a. Glyoxisomes
b. Peroxisomes
c. Ribosomes
d. All of these
e. None of these
7) Stage of first prophase of meiosis during which chromosomes are thin and attached at both ends to nuclear membrane is called:
a. Prophase
b. Telophase
c. diplotene
d. leptotene
e. None of these
8) Average thickness of nuclear membrane is:
a. 10 A
b. 100 A
c. 1000 A
d. 10000 A
e. None of these
9) The structure of DNA was given by:
a. Branton
b. Hatch and Slack
c. Bonet
d. Leininger
e. None of these
10) Seeds that require light or germination are said to be:
a. Photoblastic
b. Photodormant
c. Photozoic
d. Photophile
e. None of these
11) Which one of the following amino acids contain only two carbon atoms:
a. Glycine
b. Glutamate
c. Serine
d. Methionine
e. None of these
12) Biotic components of an Ecosystem include:
a. Producers
b. consumers
c. decomposers
d. all of these
e. None of these
13) Which one of the following is a fatty acid:
a. a-ketoglutarate
b. Lignin
c. Pectin
d. Linolenic
e. None of these
14) Temperate forest in Pakistan is found:
a. Along the Himalayas
b. Along Coastal areas of Sindh
c. Cholistan desert
d. On the bank of river Ravi
e. None of these
15) An enzyme-cofactor complex is:
a. Apoenzyme
b. Holoenzyme
c. Co.enzyme
d. Isoenzyme
e. None of these
16) Which of the following microorganism fix atmospheric nitrogen:
a. Rhizobium
b. Volvox
c. E.Colli
d. All of these
e. None of these
17) Non genetic RNA which brings in amino acids to site of protein synthesis:
a. r-RNA
b. m-RNA
c. t-RNA
d. hn RNA
e. None of these
18) Which of the following enzymes is not involved in respiration?:
a. Succinate dehydrogenase
b. Fumarase
c. Citrate synthase
d. Glycollate oxidase
e. None of these
19) Oxygen released by green plants comes from :
a. H2O
b. CO2
c. Glucose
d. Proteins
e. None of these
20) Zone of soil immediately surrounding root is :
a. Rhizosphere
b. Rhizome
c. Rhizomorph
d. Rhizozone
e. None of these
a. Biotype
b. Biome
c. Biozone
d. Biosphere
e. None of these
2) Alleles separated during gamete formation are again brought together during:
a. Mutation
b. Pollination
c. Fertilization
d. Crossing over
e. None of these
3) How many ATP molecules are produced when one hexose is completely oxidized through aerobic pathway of respiration:
a. 28
b. 32
c. 36
d. 39
e. None of these
4) Which of the following enzyme break down H2O2:
a. Kinase
b. Fumarase
c. Catalase
d. Cellulase
e. None of these
5) Which one of the following is a plant growth regulator:
a. 2, 4-D
b. Nitrous Oxide
c. Sorbitol
d. None of these
6) Protein synthesis in plant cell takes place in:
a. Glyoxisomes
b. Peroxisomes
c. Ribosomes
d. All of these
e. None of these
7) Stage of first prophase of meiosis during which chromosomes are thin and attached at both ends to nuclear membrane is called:
a. Prophase
b. Telophase
c. diplotene
d. leptotene
e. None of these
8) Average thickness of nuclear membrane is:
a. 10 A
b. 100 A
c. 1000 A
d. 10000 A
e. None of these
9) The structure of DNA was given by:
a. Branton
b. Hatch and Slack
c. Bonet
d. Leininger
e. None of these
10) Seeds that require light or germination are said to be:
a. Photoblastic
b. Photodormant
c. Photozoic
d. Photophile
e. None of these
11) Which one of the following amino acids contain only two carbon atoms:
a. Glycine
b. Glutamate
c. Serine
d. Methionine
e. None of these
12) Biotic components of an Ecosystem include:
a. Producers
b. consumers
c. decomposers
d. all of these
e. None of these
13) Which one of the following is a fatty acid:
a. a-ketoglutarate
b. Lignin
c. Pectin
d. Linolenic
e. None of these
14) Temperate forest in Pakistan is found:
a. Along the Himalayas
b. Along Coastal areas of Sindh
c. Cholistan desert
d. On the bank of river Ravi
e. None of these
15) An enzyme-cofactor complex is:
a. Apoenzyme
b. Holoenzyme
c. Co.enzyme
d. Isoenzyme
e. None of these
16) Which of the following microorganism fix atmospheric nitrogen:
a. Rhizobium
b. Volvox
c. E.Colli
d. All of these
e. None of these
17) Non genetic RNA which brings in amino acids to site of protein synthesis:
a. r-RNA
b. m-RNA
c. t-RNA
d. hn RNA
e. None of these
18) Which of the following enzymes is not involved in respiration?:
a. Succinate dehydrogenase
b. Fumarase
c. Citrate synthase
d. Glycollate oxidase
e. None of these
19) Oxygen released by green plants comes from :
a. H2O
b. CO2
c. Glucose
d. Proteins
e. None of these
20) Zone of soil immediately surrounding root is :
a. Rhizosphere
b. Rhizome
c. Rhizomorph
d. Rhizozone
e. None of these
1) Plant attached to another plant, not growing parasitically upon it but only using it for support is called:
a. Epiphyte
b. Epiblast
c. Epicotyle
d. Epigemic
e. None of these
2) Production of morphologically different leaves on the same plant is known as:
a. Heteromorphy
b. Heterospory
c. Heterophylly
d. Heteroecious
e. None of these
3) Study of fossil plant is called:
a. Paleozoic
b. Paleogeny
c. Palentology
d. Paleospory
e. None of these
4) In which group of plants, stomata open at night:
a. C3 Plants
b. Hydrophytes
c. Mesophytes
d. CAM Plants
e. None of these
5) Wall of an ovary after it has matured into fruit is called:
a. Peribellem
b. Pericarp
c. Pericardium
d. Perisome
e. None of these
6) Filament of alga spirogyra shows:
a. True branching
b. False branching
c. Dichotomous branching
d. No branching
e. None of these
7) Plants that do not produce seeds and have vascular tissues are called:
a. Cryptogams
b. Vascular cryptogams
c. Phanerogams
d. Atracheats
e. None of these
8) Rice belongs to family:
a. Asteraceae
b. Malvaceae
c. Poaceae
d. Solonaeae
e. None of these
9) Which of the following microorganism is most widely used in genetic engineering:
a. E.coli
b. Amoeba
c. Chlorella
d. Spyrogyra
e. None of these
10) Mycoplasms are tiny microorganisms which are bounded by:
a. Cellulose cell wall
b. Pellicle
c. Pectin coat
d. Protein coat
e. None of these
11) A stele in which large overlapping leaf gaps dissect the vascular system into strands, each with the phloem surrounding the xylem is:
a. Dictyostele
b. Protostele
c. Siphonostele
d. Solenostele
e. None of these
12) What is the shape of helical viruses?
a. Rod shae
b. Spherical
c. Oval
d. Elliptical
e. None of these
13) Lichens which grow on leaves of other plants are known as:
a. Terricolous
b. Sexicolous
c. Folicolous
d. Corticoous
e. None of these
14) In which of the following, edible product is obtained from the rhizome?
a. Sugar beet
b. Ginger
c. Onion
d. Potato
e. None of these
15) Gametophyte of fern is called:
a. Protocorn
b. Prothallus
c. Thallus
d. Notothallus
e. None of these
16) Colourless plastids found in cells of plant tissue are called:
a. Chromplasts
b. Leucocytes
c. Leucoplasts
d. Lycoplasts
e. None of these
17) Stalk of an individual flower of an inflorescence is called:
a. Pedicarp
b. Peduncle
c. Pericardium
d. peristome
e. None of these
18) Fruit of grasses in which pericarp is united with testa is called:
a. Caryopsis
b. Carpus
c. Clestocarp
d. Carancle
e. None of these
19) Who proposed the natural system of classification?
a. Benthem & Hooker
b. Darwin
c. Lamarck
d. Oswald Tippo
e. None of these
20) Which of the following fungus is edible?
a. Pythium
b. Penicillium
c. Phyllactinia
d. Albugo
e. None of these
a. Epiphyte
b. Epiblast
c. Epicotyle
d. Epigemic
e. None of these
2) Production of morphologically different leaves on the same plant is known as:
a. Heteromorphy
b. Heterospory
c. Heterophylly
d. Heteroecious
e. None of these
3) Study of fossil plant is called:
a. Paleozoic
b. Paleogeny
c. Palentology
d. Paleospory
e. None of these
4) In which group of plants, stomata open at night:
a. C3 Plants
b. Hydrophytes
c. Mesophytes
d. CAM Plants
e. None of these
5) Wall of an ovary after it has matured into fruit is called:
a. Peribellem
b. Pericarp
c. Pericardium
d. Perisome
e. None of these
6) Filament of alga spirogyra shows:
a. True branching
b. False branching
c. Dichotomous branching
d. No branching
e. None of these
7) Plants that do not produce seeds and have vascular tissues are called:
a. Cryptogams
b. Vascular cryptogams
c. Phanerogams
d. Atracheats
e. None of these
8) Rice belongs to family:
a. Asteraceae
b. Malvaceae
c. Poaceae
d. Solonaeae
e. None of these
9) Which of the following microorganism is most widely used in genetic engineering:
a. E.coli
b. Amoeba
c. Chlorella
d. Spyrogyra
e. None of these
10) Mycoplasms are tiny microorganisms which are bounded by:
a. Cellulose cell wall
b. Pellicle
c. Pectin coat
d. Protein coat
e. None of these
11) A stele in which large overlapping leaf gaps dissect the vascular system into strands, each with the phloem surrounding the xylem is:
a. Dictyostele
b. Protostele
c. Siphonostele
d. Solenostele
e. None of these
12) What is the shape of helical viruses?
a. Rod shae
b. Spherical
c. Oval
d. Elliptical
e. None of these
13) Lichens which grow on leaves of other plants are known as:
a. Terricolous
b. Sexicolous
c. Folicolous
d. Corticoous
e. None of these
14) In which of the following, edible product is obtained from the rhizome?
a. Sugar beet
b. Ginger
c. Onion
d. Potato
e. None of these
15) Gametophyte of fern is called:
a. Protocorn
b. Prothallus
c. Thallus
d. Notothallus
e. None of these
16) Colourless plastids found in cells of plant tissue are called:
a. Chromplasts
b. Leucocytes
c. Leucoplasts
d. Lycoplasts
e. None of these
17) Stalk of an individual flower of an inflorescence is called:
a. Pedicarp
b. Peduncle
c. Pericardium
d. peristome
e. None of these
18) Fruit of grasses in which pericarp is united with testa is called:
a. Caryopsis
b. Carpus
c. Clestocarp
d. Carancle
e. None of these
19) Who proposed the natural system of classification?
a. Benthem & Hooker
b. Darwin
c. Lamarck
d. Oswald Tippo
e. None of these
20) Which of the following fungus is edible?
a. Pythium
b. Penicillium
c. Phyllactinia
d. Albugo
e. None of these
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