Questions

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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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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Q:

Which hormone is released from the testes?

A) Insulin B) Testosterone
C) Thyroxin D) Estrogen
 
Answer & Explanation Answer: B) Testosterone

Explanation:
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Q:

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four
alternatives.

Morality is _____ with ethics and symbolises the doctrine of actions right or wrong. Politics is the _____ of expediency and need not always be _____. If something is wrong and _____ expedient, it cannot be _____.

Politics is the _____ of expediency

A) source B) collection
C) requirement D) notion
 
Answer & Explanation Answer: D) notion

Explanation:
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Q:

__________ says that if we keep increasing the employment of an input, with other inputs fixed, eventually a point will be reached after which the resulting addition to output (i.e., marginal product of that input) will start falling.

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

Explanation:
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Q:

The ________ curve represents the demand of all consumers in the market taken together at different levels of the price of the good.

A) monotonic B) indifferent
C) market demand D) diminishing
 
Answer & Explanation Answer: C) market demand

Explanation:
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Q:

The demand curve facing a perfectly competitive firm is

A) downward sloping B) perfectly inelastic
C) a concave curve D) perfectly elastic
 
Answer & Explanation Answer: D) perfectly elastic

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Q:

Which of the following plant tissues is capable of cell division?

A) Parenchyma B) Sclerenchyma
C) Meristem D) Xylem
 
Answer & Explanation Answer: C) Meristem

Explanation:
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