every day science questions
It’s important to take good care of our eyes. They’re the only ones we get. Here are some interesting facts about eyes that may amaze you!
1. Each eye👀 is composed of more than two million working parts.
2. Eyes👀 are the second most complex organ—after the brain.
3. The typical blink lasts for only about 1/10th of a second, and you blink about 12 times each minute.
4. Corneas are the only tissues that don’t have any blood flow.
5. Eye 👀development starts two weeks after conception.
6. The muscles controlling the eyes are the most active muscles in the body.
7. Healthy vision requires the involvement of almost half the brain.
8. Eyelashes have a lifespan of about five months. The total length of all the eyel…
[12:52 AM, 10/17/2019] Prince Masood: 1. Haemodialysis means cleaning of
(A) urine
(B) blood
(C) glomerular filterate
(D) coelomic fluid
2. Production of sweat and sebum is related with
(A) skin
(B) liver
(C) lungs
(D) GIT
[12:52 AM, 10/17/2019] Prince Masood: 3. The evaporative cooling in the respiratory tract of dogs is called
(A) vasodilation
(B) vasoconstriction
(C) panting
(D) all of these
4. Which of the following pathogen type cause disease that can be treated with antibiotics?
(A) bacteria
(B) fungi
(C) virus
(D) none of these
5. Most cell membranes are composed principally of
(A) DNA ad protein
(B) protein and lipids
(C) protein and chitin
(D) protein and RNA
6. Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the
(A) concentration of water molecules inside and outside the cell
(B) concentration of enzymes on either side of the cell membrane
(C) rate of molecular motion on either side of the cell membrane
(D) none of these
[12:53 AM, 10/17/2019] Prince Masood: 7. Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
(A) diffusion
(B) passive transport
(C) osmosis
(D) active transport
8. Proteins are made from amino acids by the process of
(A) hydrolysis
(B) pinocytosis
(C) dehydration synthesis
(D) active transport
[12:54 AM, 10/17/2019] Prince Masood: 9. Which is an organic compound found in most cells?
(A) water
(B) glucose
(C) oxygen
(D) sodium chloride
10. Which are the four most abundant elements in living cells?
(A) carbon, oxygen, nitrogen, sulfur
(B) carbon, oxygen, hydrogen, nitrogen
(C) carbon, oxygen, sulfur, phosphorus
(D) carbon, sulfur, hydrogen, magnesium
ANSWERS: BIOLOGY MCQS
1. B
2. A
3. C
4. A
5. B
6. A
7. D
8. C
9. B
10. B
[12:56 AM, 10/17/2019] Prince Masood: 11. Starch is converted into maltose by
(A) diastase
(B) invertase
(C) maltase
(D) amylase
12. Co-enzyme is often formed from
(A) lipid
(B) protein
(C) inorganic ion
(D) vitamin
13. Messenger RNA is formed in
(A) nucleus
(B) chloroplast
(C) mitochondria
(D) none of these
14. Number of chromosomes in E.coli
(A) 4
(B) 6
(C) 3
(D) 1
15. Protein factory is
(A) nucleus
(B) ribosome
(C) golgi complex
(D) centriole
16. Smallest disease causing agents in plants are
(A) virion
(B) mycoplasma
(C) viroids
(D) prions
17. The major cell infected by the HIV is lymphocyte
(A) helper-T
(B) B
(C) both T and B
(D) none of these
18. Pigment present in red algae is
(A) fucoxanthin
(B) phycocyanin
(C) phycoerythrin
(D) bilirubin
19. Nutrition in fungi is
(A) …
[12:58 AM, 10/17/2019] Prince Masood: 21. Which is a parasitic plant
(A) cuscuta
(B) rose
(C) ferns
(D) mosses
22. True roots absent in
(A) ferns
(B) bryophytes
(C) gymnosperms
(D) angiosperms
23. The mechanism for ATP synthesis is
(A) chemosynthesis
(B) photosynthesis
(C) phosphorylation
(D) chemiosmosis
24. Enzyme present in the saliva is
(A) lipase
(B) trypsin
(C) ptyalin
(D) invertase
25. Nitrogen is present in
(A) carbohydrates
(B) proteins
(C) lipids
(D) carbonates
26. The food is ground in the cockroach in
(A) mesenteron
(B) crop
(C) gizzard
(D) intestine
27. Operculum is present in
(A) bony fish
(B) sea fish
(C) cartilaginous fish
(D) none of these
28. In which animal respiratory surface are found in more than one organ
(A) birds
(B) human
(C) fish
(D) frog
29. The he…
[12:59 AM, 10/17/2019] Prince Masood: 31. Which one is abundant in lymph
(A) oxygen
(B) lipids
(C) water
(D) proteins
32. Jaws without teeth are found in found in
(A) birds
(B) reptiles
(C) fish
(D) none of these
33. Male reproductive part of flower is
(A) stigma
(B) stamen
(C) carpel
(D) ovule
34. Coordination in plants is by
(A) nervous system
(B) enzymes
(C) hormones
(D) roots
35. The simplest fatty acid is
(A) palmitic acid
(B) butyric acid
(C) oleic acid
(D) acetic acid
36. All enzymes are protein which are
(A) globular
(B) fibrous
(C) helical
(D) all of these
37. Cilia are produced from
(A) mitochondria
(B) cell-membrane
(C) centriole
(D) cytoplasm
38. Which of the following disease is not caused by virus
(A) T.B
(B) AIDS
(C) HIV
(D) flu
39. Which of the following is a …
[12:59 AM, 10/17/2019] Prince Masood: 41. ‘Cassia fistula’ is the scientific name of
(A) amaltas
(B) rose
(C) onion
(D) tomato
42. Phage virus consists of head and
(A) thorax
(B) neck
(C) tail
(D) none of these
43. Bacteria without any flagella are called
(A) monotrichous
(B) atrichous
(C) peritrichous
(D) lophotrichous
44. Protists have been evolved from
(A) animals
(B) plants
(C) fungi
(D) prokaryotes
45. Algae differ from plants in that the sex organs in algae are
(A) multicellular
(B) unicellular
(C) acellular
(D) none of these
46. Fungi can absorb food from the substrate because the have
(A) sporangium
(B) spores
(C) rhizoids
(D) stalk
47. A seed may be defined as a fertilized
(A) egg
(B) ovary
(C) ovule
(D) embryo
48. Platyhelminthes means
(A) round worms
(B) flat worms
(C)…
[1:00 AM, 10/17/2019] Prince Masood: 51. Recombinant DNA is introduced in to host cell by means of
(A) phage
(B) vector
(C) bacteria
(D) enzyme
52. In cystic fibrosis, the patient lacks a gene that codes for trans-membarene carrier of
(A) sodium ion
(B) carbon dioxide
(C) chloride ion
(D) potassium ion
53. Which gene is located on linkage group number 11 in man
(A) sickle cell anemia
(B) leukemia
(C) albinism
(D) all of these
54. In birds the sex is determined by the type of
(A) sperm
(B) autosomes
(C) egg
(D) none of these
55. In RNA nucleotides are attached by
(A) peptide bonds
(B) hydrogen bonds
(C) covalent bond
(D) phosphodiester bond
56. The chromosome is
(A) gene
(B) genes + protein
(C) DNA + genes
(D) gene + protein
57. The human body contains water
(A) 60-80%
(B) 70-90%
…
[1:00 AM, 10/17/2019] Prince Masood: 61. Starch is richly present in
(A) onion
(B) apple
(C) cereals
(D) tomato
62. Plants having foreign DNA are known as
(A) genetic plants
(B) recombinant plants
(C) cultured plants
(D) transgenic plants
63. Which of the following kinds of atom do not occur in carbohydrates
(A) carbon
(B) hydrogen
(C) nitrogen
(D) oxygen
64. The basic framework of all types of membranes are
(A) lipoproteins
(B) glycoproteins
(C) proteoglycans
(D) nucleoproteins
65. Single membrane bounded organelle is
(A) nucleus
(B) lysosome
(C) ribosome
(D) none of these
66. Irregular grape like cluster of bacilli is called
(A) diplo bacilli
(B) strepto bacilli
(C) staphylo bacilli
(D) none of these
67. It is generally accepted that plants arose from ancestral
(A) green algae
…
[1:00 AM, 10/17/2019] Prince Masood: 71. Glyoxisomes contain enzymes for
(A) glyoxylate cycle
(B) glycolate cycle
(C) Calvin cycle
(D) none of these
72. Vacuoles serve to
(A) expand the plant cells
(B) sites for storage
(C) both in expansion and storage
(D) non-specific function
73. An isolated virus is not considered living since it
(A) separate into two parts
(B) cannot metabolize
(C) rapidly looses its genome
(D) all of these
74. The predominant phycobilin pigment in cyanobacteria which is of blue colour is
(A) phycoerythrin
(B) phycocyanin
(C) fucocyanin
(D) fucoxanthin
75. Deafness is caused by misuse of
(A) penicillin
(B) tetracycline
(C) paracetamol
(D) streptomycin
76. Cell envelope does not include
(A) capsule
(B) slime layer
(C) cell wall
(D) cell membrane
77. Coenocyte…
[1:01 AM, 10/17/2019] Prince Masood: 81. Which structure is involve in gaseous exchange of plants
(A) stomata
(B) lenticels
(C) cuticle
(D) all of these
82. Common feature of human and insect trachea is
(A) non-collapsiable wall
(B) supporting rings
(C) ectodermal origin
(D) endodermal origin
83. Vomiting occurs due to
(A) constipation
(B) diarrhoea
(C) antiperistalsis
(D) peristalsis
84. Photosynthetic prokaryotes lack
(A) ribosomes
(B) chloroplast
(C) cell-membrane
(D) vacuole
85. Which of the following organ is because of absence of teeth in birds
(A) crop
(B) syrinx
(C) stomach
(D) gizzard
86. The scientific name of jelly fish is
(A) Aurelia
(B) Madrepore
(C) Actinia
(D) Obelia
87. In which plants leaves are always in whorls
(A) lycopsids
(B) psilopsids
(C) sphenopsids
(D) pt…
[1:01 AM, 10/17/2019] Prince Masood: 91. Highly intelligent mammals are
(A) rat
(B) bat
(C) dolphin
(D) elephant
92. Plants absorb most part of water needed by them through their
(A) stem
(B) root hairs
(C) leaf
(D) bark
93. One of the following is not a function of bones
(A) support
(B) production of blood cells
(C) protein synthesis
(D) muscle attachment
94. Movement of cell against concentration gradient is called
(A) active transport
(B) osmosis
(C) diffusion
(D) both b and c
95. Pollination is best defined as
(A) germination of pollen grains
(B) transfer of pollen from anther to stigma
(C) formation of pollen grains
(D) none of these
96. DNA structure was first described by
(A) Pasteur
(B) Robert Koch
(C) Watson and Crick
(D) Carlous Linnaues
97. The most abundant element in…
[1:03 AM, 10/17/2019] Prince Masood: 1. Pulses are a good source of
(A) vitamins
(B) carbohydrates
(C) proteins
(D) minerals
2. Molten rock below the surface of the Earth is called?
(A) Lava
(B) Magma
(C) Crystals
(D) Granite
3. Marble and Slate are examples of
(A) igneous rocks
(B) metamorphic rocks
(C) sedimentary rocks
(D) crystals
4. Diamond is an allotropic form of
(A) Carbon
(B) Hydrogen
(C) Gold
(D) Silver
5. Malaria is caused by
(A) virus
(B) bacteria
(C) mosquito
(D) plasmodium
Answers:
1. (C) proteins
2. (B) Magma
3. (B) metamorphic rocks
4. (A) Carbon
5. (D) plasmodium
Everyday Science Multiple Choice Questions (MCQs) Page-1. These general science MCQs are from basics of science (Physics, Chemistry, Biology, Geology, and Environmental Science). Find answers to the questions at the bottom of the page. Basic Mathematics Questions can be found in Mathematics section.
Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 .. 15 | 16 .. 20 | 30
1. The Sun’s mass is mainly consist of
(A) hydrogen
(B) helium
(C) carbon dioxide
(D) nitrogen
2. What divides the Earth into the Northern and Southern Hemispheres?
(A) Axis of rotation
(B) Equator
(C) North Pole
(D) South Pole
3. Very High Frequency (VHF) have ____ wavelengths.
(A) shorter
(B) shortest
(C) longer
(D) longest
4. Long-sight defect could be corrected by using ____ lens.
(A) concave
(B) convex
(C) diverging
(D) none of these
5. Deficiency of Vitamin-A results in
(A) night blindness
(B) rickets
(C) scurvy
(D) hair fall
6. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will
(A) also decrease
(B) increase
(C) remains constant
(D) none of these
7. The lifespan of Red Blood Cells is ____ days.
(A) 60
(B) 120
(C) 180
(D) 240
8. The density of water is
(A) 1 g/cm3
(B) 1.5 g/cm3
(C) 2 g/cm3
(D) none of these
9. Radioactivity was discovered by
(A) Lord Kelvin
(B) J. J. Thomson
(C) Ernest Rutherford
(D) Henri Becquerel
10. A device which converts chemical energy into electrical energy is called
(A) motor
(B) generator
(C) moving-coil meter
(D) battery
11. The Sun’s mass is mainly consist of hydrogen (about 73%). The second main constituent (about 25%) is
(A) hydrogen
(B) helium
(C) carbon dioxide
(D) nitrogen
ANSWERS: EVERYDAY SCIENCE MCQS
1. A
2. B
3. A
4. B
5. A
6. B
7. B
8. A
9. D
10. D
11. B
[1:05 AM, 10/17/2019] Prince Masood: 12. The average adult has a blood volume of about ____ liters.
(A) 4
(B) 5
(C) 6
(D) 7
13. The most abundant element in the universe is
(A) Oxygen
(B) Hydrogen
(C) Carbon Dioxide
(D) Silicon
14. The most abundant element in the Earth’s crust is
(A) Oxygen
(B) Hydrogen
(C) Carbon Dioxide
(D) Silicon
15. Each day human body breathe in ____ liters of air.
(A) 5,000 to 10,000
(B) 10,000 to 15,000
(C) 15,000 to 20,000
(D) 20,000 to 25,000
16. Deficiency of Vitamin-D results in
(A) night blindness
(B) rickets
(C) scurvy
(D) hair fall
17. The SI unit of “pressure” is
(A) pascal
(B) joule
(C) tesla
(D) henry
18. The most densest substance on the Earth is
(A) Platinum
(B) Copper
(C) Steel
(D) Osmium
19. A camera uses a ____ to form an image.
(A) co…
[1:05 AM, 10/17/2019] Prince Masood: 12. B
13. B
14. A
15. C
16. B
17. A
18. D
19. A
20. D
[1:06 AM, 10/17/2019] Prince Masood: 21. CNG stands for?
(A) Converted Natural Gas
(B) Conduced Natural Gas
(C) Conducted Natural Gas
(D) Compressed Natural Gas
22. Which from the following is true for “Sound”?
(A) Sound cannot travel through a vaccum
(B) Sound cannot travel through gases
(C) Sound cannot travel through liquids
(D) Sound cannot travel through solids
23. When white light is passed through a prism, it splits into ____ colours.
(A) 5
(B) 6
(C) 7
(D) 8
24. 1 nanometer = ?
(A) 10-3 meter
(B) 10-6 meter
(C) 10-9 meter
(D) 10-12 meter
25. Instrument used for measuring very high temperature is
(A) Pyroscope
(B) Pyrometer
(C) Seismograph
(D) Xylometer
26. Sound waves are ___ waves.
(A) Transverse
(B) Electromagnetic
(C) Longitudinal
(D) none of these
27. The lifespan of Whit…
[1:08 AM, 10/17/2019] Prince Masood: 31. During winter in cold countries, the ____ is mixed to melt the ice on the icy roads.
(A) Salt
(B) Chlorine
(C) Carbon dioxide
(D) Water
32. In a very low temperature which from the following will freeze at last?
(A) River water
(B) Canal water
(C) Sea water
(D) Water in a lake
33. The nearest planet to the Earth is
(A) Venus
(B) Mercury
(C) Mars
(D) Moon
34. The planet that moves round the Sun at the highest speed is?
(A) Jupiter
(B) Venus
(C) Mars
(D) Mercury
35. In general, Comets have ____ orbits.
(A) Elliptical
(B) Highly elliptical
(C) Circular
(D) Parabolic
36. GPS is an abbreviation for?
(A) Global Poles System
(B) Global PolySiliconium Store
(C) Global Positioning System
(D) Global Position Structure
37. Oxidation is a chemical reaction …
[1:08 AM, 10/17/2019] Prince Masood: 41. The position of an element in the Periodic Table is determined by its ____ number.
(A) Electron
(B) Proton
(C) Neutron
(D) Positron
42. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ____ of sea water.
(A) 1 gram
(B) 10 grams
(C) 1 kg
(D) 10 kg
43. The planet which is easily visible from the Earth is?
(A) Mercury
(B) Venus
(C) Mars
(D) Jupiter
44. The Great Spot is on the planet
(A) Saturn
(B) Venus
(C) Mars
(D) Jupiter
45. The Great Spot is a
(A) Mountain
(B) Desert
(C) Frozen Carbon dioxide
(D) Storm
46. The bodyguard of the Earth is ____ that save the Earth from many Comets and Asteroids.
(A) Mars
(B) Saturn
(C) Uranus
(D) Jupiter
47. 1 light year = ?
(A) 9.5×106 km
(B) 9.5×109 km
(C) 9.5×1012 km
(D)…
[1:09 AM, 10/17/2019] Prince Masood: 51. Einstein’s famous equation which states that mass and energy are interchangeable is?
(A) E = mc2
(B) E = cm2
(C) M = ec2
(D) M = ce2
52. The SI unit of electric current is?
(A) Coloumb
(B) Ampere
(C) Volt
(D) Watt
53. The principal constituent of the atmosphere of the Earth is?
(A) Oxygen
(B) Carbon
(C) Hydrogen
(D) Nitrogen
54. What is Dry Ice?
(A) Solid Oxygen
(B) Solid Carbon Dioxide
(C) Solid Hydrogen
(D) Solid Nitrogen
55. What are the primary colours?
(A) White, Black, Blue
(B) Red, Yellow, Blue
(C) Red, Orange, Blue
(D) Red, Green, Blue
56. Digestion of food is completed in the
(A) small intestine
(B) large intestine
(C) stomach
(D) Liver
57. Carrot is good source of Vitamin?
(A) A
(B) B complex
(C) C
(D) D
Comments
Post a Comment