everyday science MCQs – Page 30

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 Review each marked answer and report any item that may be outdated or unclear.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
581. Heating element of an electric heater is made up of___________?
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A. Graphite

B. Tungsten

C. Chromium

D. Nichrome
582. Jupiter has ________ known moons.
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A. 79

B. 73

C. 62

D. 3

583. What is the rarest blood type in humans?
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A. O-

B. AB+

C. AB-

D. O+

584. What is the addictive drug in tobacco ______________?
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A. Ammonia

B. Nicotine

C. Tar

D. Ethanol

585. There are__________ kinds of Joints in human body?
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A. 6

B. 4

C. 7

D. 5

586. The strongest part(s) of a magnet is/are _________?
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A. North and south pole

B. North pole

C. Median of north and south pole

D. South pole

587. One Joule is equal to__________?
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A. 10<sup>11</sup> ergs

B. 10<sup>5</sup> ergs

C. 107 ergs

D. 10<sup>3</sup> ergs

588. What is the warmest Ocean?
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A. Atlantic Ocean

B. Indian Ocean

C. Pacific Ocean

D. Arctic Ocean

589. The time taken by Sun to revolve around the center of our galaxy is___________?
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A. 350 millon years

B. 150 million years

C. 250 million years

D. 300 millon years

590. The volume of Blood in a Human body to be approximately _________ of body weight?
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A. 7%

B. 6%

C. 9%

D. 8%

591. International date line passes through which strait?
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A. Bering Strait

B. Java Strait

C. Adam Strait

D. Malacca Strait

592. What is the weight of the average human brain?
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A. 3.1 to 3.4 Kg

B. 1.2 to 1.4 Kg

C. 2.1 to 2.8 Kg

D. 1.4 to 1.8 Kg

593. In middle latitudes, which cloud will have the lowest base ________________________ ?
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A. Altocumulus

B. Stratocumulus

C. Cirrus

D. Cirrostratus

594. The density of Air is_____________?
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A. 1.025 kg/m3

B. 1.425 kg/m3

C. 1.225 kg/m3

D. 0.225 kg/m3

595. What is the temperature at the center of the Sun?
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A. 6 million C

B. 10 million C

C. 20 million C

D. 15 million C
596. A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving?
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A. Downward with uniform acceleration

B. In a free fall due to failure of the lift mechanism

C. Upward with uniform speed

D. None of these

597. Oncology is the Study of__________?
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A. Onions

B. Cancer

C. Origins

D. Diseases

598. The scientific study of insects is known as _______?
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A. Zoology

B. Ichthyology

C. Entomology

D. Botany

599. During a total solar eclipse there is most likely to be_____________?
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A. An increase in the rate of photosynthesis

B. No effect on either photosynthesis or respiration

C. A decrease in the rate of photosynthesis

D. A decrease in the rate of respiration

600. In human body there are_________________kinds of bones?
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A. 5

B. 6

C. 3

D. 4