Questions

Q:

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.


Go north-east across the mountains till you will reach an island.

A) reached B) reach
C) have reached D) No improvement
 
Answer & Explanation Answer: B) reach

Explanation:

The use of will is redundant. The main verb is ‘Go’, till you reach is used to denote time. Further, the event will be completed in future but both other options are in past tense.

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Filed Under: English
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Q:

___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.

 

A) Heavy water B) Graphite
C) Water D) Calcium
 
Answer & Explanation Answer: D) Calcium

Explanation:
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Filed Under: Chemistry
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Q:

What is C12H22O11 also known as

A) Sand B) Sugar
C) Salt D) Clay
 
Answer & Explanation Answer: B) Sugar

Explanation:
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Filed Under: Chemistry
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Q:

Involuntary muscles are controlled by the

A) Central nervous system B) Autonomic nervous system
C) Peripheral nervous system D) All the above
 
Answer & Explanation Answer: B) Autonomic nervous system

Explanation:

Involuntary muscles are the muscles which contract without conscious control whereas Voluntary muscles are the muscles that help you walk, talk, pick up things, jump and do all the basic or complex movements you do everyday with your consciousness.

* The contraction in the involuntary muscles is controlled by the autonomic nervous system. These are present in the walls of the digestive system, blood vessels, bronchi, uterus and bladder.

* Voluntary muscles are mostly located in the arms ,legs ,hands, and feet.

 

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Filed Under: Biology
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Q:

What are the organs similar in basic structure/shape, modified to perform different functions called?

A) Analogous organs B) Homologous organs
C) Heterogeneous organs D) Homogenous organs
 
Answer & Explanation Answer: B) Homologous organs

Explanation:
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Filed Under: Biology
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Q:

____ forms a common passage for both urine and sperms in human males.

A) Oviduct B) Ureter
C) Urethra D) Vas deferens
 
Answer & Explanation Answer: C) Urethra

Explanation:
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Filed Under: Biology
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Q:

The law of demand states that

A) if the price of a good increases, the demand for that good decreases. B) if the price of a good increases, the the demand for that good increases.
C) if the price of a good increases, the quantity demanded of that good decreases. D) if the price of a good increases, the quantity demanded of that good increases.
 
Answer & Explanation Answer: C) if the price of a good increases, the quantity demanded of that good decreases.

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Filed Under: Indian Economy
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Q:

_________ says that the marginal product of a factor input initially rises with its employment level. But after reaching a certain level of employment, it starts falling.

A) Law of diminishing marginal product B) Law of variable proportions
C) The Short Run D) The Long Run
 
Answer & Explanation Answer: B) Law of variable proportions

Explanation:
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