General Science Questions

Q:

Helium is added to the oxygen supply of deep sea divers because it is _________

A) less poisonous than nitrogen B) Lighter than nitrogen
C) Readily miscible with oxygen D) less soluble in blood than nitrogen at high pressure
 
Answer & Explanation Answer: D) less soluble in blood than nitrogen at high pressure

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Q:

_____ is the source of energy and materials in human beings.

A) Water B) Sunlight
C) Food D) Gas
 
Answer & Explanation Answer: C) Food

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Q:

Which of the following planets has the highest revolutionary motion?

A) Mercury   B) Venus
C) Mars D) Jupiter  
 
Answer & Explanation Answer: D) Jupiter  

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Q:

A school always has a

A) Library B) Headmaster
C) Teacher D) Building
 
Answer & Explanation Answer: C) Teacher

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Q:

Triton is the moon of which planet?

A) Neptune B) Uranus
C) Saturn D) Venus
 
Answer & Explanation Answer: A) Neptune

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Q:

Name the metal that can be easily cut with a knife:

A) Copper B) Gold
C) Sodium D) Aluminium
 
Answer & Explanation Answer: C) Sodium

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Q:

Cannis Vulpes is the scientific name of

A) Dog B) Wolf
C) Fox D) Hyena
 
Answer & Explanation Answer: C) Fox

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Q:

Why do the plant closes stomata when it does NOT need carbon dioxide for photosynthesis?

A) To store carbon dioxide B) To prevent water loss
C) To release stored oxygen D) No option is correct
 
Answer & Explanation Answer: B) To prevent water loss

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