everyday science MCQs – Page 77

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
1521. Characteristic odour of garlic is due to?
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A. None of these

B. A chlorine compound

C. A fluorine compoune

D. A sulphur compound
1522. DNA is _____________?
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A. A class of nucleic acids

B. Citric Acid

C. Acetic Acid

D. None of these

1523. Caustic Soda is extensively used for making __________?
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A. Surf

B. Gum

C. Soap

D. Plaster of Paris

1524. An Average Hummingbirds heart rate per minute is __________.
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A. more than 1200 times

B. more than 1000 times

C. 1000 times

D. 500 times

1525. Which of the following is not a donor atom?
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A. Arsenic

B. Antimony

C. Aluminum

D. Phosphorus

1526. The movement of earth around sun brings ________?
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A. Rainfall

B. Earthquakes

C. Tornadoes

D. Seasons
1527. Which of the following is used to control rods in nuclear fission?
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A. All of these

B. Cadmium

C. Heavy Water

D. Graphite

1528. Chromosomes first become visible during which phases of mitosis:
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A. Metaphase

B. Prometaphase

C. Prophase

D. Telophase

1529. Who gave the idea of law of inertia?
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A. Einstein

B. Galileo Galilei

C. Bacon

D. Dalton

1530. What percentage of earths water supply is fresh water___________?
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A. 21%

B. None of these

C. 5%

D. 3%
1531. Clotting of blood vessels is called?
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A. None

B. Fibrosis

C. Agglutination

D. Thrombosis
1532. Which body part in Human never grow?
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A. Kidney

B. Pupil of eye

C. Liver

D. None of these

1533. The floral part that produces pollen grains is:
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A. Petal

B. Ovary

C. Sepal

D. Anther
1534. Which one of the following is called the Blood Bank?
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A. Spleen

B. Liver

C. Kidneys

D. Heart

1535. Apart from Venus, which planet rotates from east to west?
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A. Uranus

B. Mars

C. Neptune

D. Jupiter

1536. Percentage of water in a tomato is__________?
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A. None of these

B. 94%

C. 90%

D. 47%

1537. Gland responsible for heightened emotions is?
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A. None of these

B. Pituitary gland

C. Thoiroid gland

D. Adrenal gland
1538. What is the rank of the earth in the solar system in terms of size?
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A. 3rd

B. 4th

C. 5th

D. None of these

1539. What method of energy transfer requires no medium for transfer?
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A. Convection

B. Radiation

C. A and B both

D. Conduction

1540. How many noses does an ant have?
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A. Three

B. Two

C. None

D. One