Q:

The Brownian Motion was discovered by

A) Robert Brown	B) Mandel Brown
C) Isaac Newton	D) John Brown

Answer & Explanation Answer: A) Robert Brown

Explanation:

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Filed Under: Physics
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Q:

For each perfectly competitive firm in the long run

A) price = marginal costs = average variable costs	B) price = average profit
C) price = marginal costs = minimum average total costs	D) price = minimum average variable costs

Answer & Explanation Answer: C) price = marginal costs = minimum average total costs

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Filed Under: Indian Economy
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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:

The __________ exchange rate is the price of one unit of foreign currency in terms of domestic currency.

A) Artificial	B) Nominal
C) Fixed	D) Real

Answer & Explanation Answer: B) Nominal

Explanation:

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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

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Q:

Zika virus which damages the brain of the foetus is

A) Mosquito borne	B) Water borne
C) Air borne	D) Food borne

Answer & Explanation Answer: A) Mosquito borne

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Filed Under: Biology
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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:

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

A) Parenchyma	B) Sclerenchyma
C) Meristem	D) Xylem

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