General Science Questions

Q:

Hormone that helps regulate calcium balance

A) endocrine B) parathyroid
C) pancreas D) None of the above
 
Answer & Explanation Answer: B) parathyroid

Explanation:

PTH - Parathyroid hormone which balances calcium levels if they are low.

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Q:

Which energy source generates the least greenhouse gases?

A) Fossil fuels energy B) Nuclear energy
C) Solar energy D) All of the above
 
Answer & Explanation Answer: A) Fossil fuels energy

Explanation:

Fossil fuels energy source generates the least greenhouse gases. Of them, i.e, oil, natural gas and coal, natural gas source generates the least greenhouse gases.

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Q:

Which is an example of a physical change?

A) Dissolving sugar in water B) Breaking glass
C) Melting of ice D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.

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Q:

Speeding is a factor in _% of all fatal accidents?

A) 10 B) 22
C) 30 D) 55
 
Answer & Explanation Answer: C) 30

Explanation:

In all the fatal accidents, 30% of them are with speeding factor.

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Q:

When electrical brain waves have ceased, this is called

A) Electroshock B) Electrolysis
C) Suicide D) Brain death
 
Answer & Explanation Answer: D) Brain death

Explanation:
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Q:

What reacts with oxygen to produce rust?

A) Aluminium B) Silver
C) Copper D) Iron
 
Answer & Explanation Answer: D) Iron

Explanation:

Iron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.

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Q:

Which statement best characterizes animism?

A) It's the basis of social status within a tribe. B) It combines natural, human, and spiritual forces.
C) It's a religion that maintains the futility of human existence. D) It's composed of irrational superstitions that arise in underdeveloped rural communities.
 
Answer & Explanation Answer: B) It combines natural, human, and spiritual forces.

Explanation:
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Q:

While landing what type of tyres are used in an Aircraft?

A) Water tubed B) Thick tubed
C) Tubeless D) Thin tubed
 
Answer & Explanation Answer: C) Tubeless

Explanation:

Tyres that are used in an Aircraft for landing are tubeless tyres.

While_landing_what_type_of_tyres_are_used_in_an_Aircraft1560144270.png image

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