Questions

Q:

Organisms that use light to prepare food are known as _____.

A) Autotrophs B) Heterotrophs
C) Omnivores D) Decomposers
 
Answer & Explanation Answer: A) Autotrophs

Explanation:
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Q:

______ is a thyroid hormone which controls the balance of calcium in the body.

A) Calcitonin B) Thyroxine
C) Calmodulin D) all of these
 
Answer & Explanation Answer: A) Calcitonin

Explanation:

Calcitonin is 32-amino acid linear polypeptide hormone that is produced in humans primarily by the parafollicular cells of the thyroid, and in many other animals in the ultimopharyngeal body. It acts to reduce blood calcium, opposing the effects of parathyroid hormone.

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Q:

If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the marginal revenue is zero.

A) Perfect Competition B) Monopoly
C) Oligopoly D) Monopolistic Competition
 
Answer & Explanation Answer: B) Monopoly

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Filed Under: Indian Economy
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Q:

If tea companies start using mechanised tea leave pickers

A) more people would want to work as tea leave pickers B) unemployment of tea leave pickers will decrease
C) more tea will be produced per acre D) then wages for manual tea leave pickers will fall
 
Answer & Explanation Answer: D) then wages for manual tea leave pickers will fall

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Q:

If the ___________ firm has zero costs or only has fixed cost, the quantity supplied in equilibrium is given by the point where the average revenue is zero.

A) Perfect Competition B) Monopoly
C) Oligopoly D) Monopolistic Competition
 
Answer & Explanation Answer: A) Perfect Competition

Explanation:
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Q:

Non-metal oxides are usually

A) acidic B) amphoteric
C) neutral D) basic
 
Answer & Explanation Answer: A) acidic

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Filed Under: Chemistry
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Q:

When two liquids do not mix with each other to form a solution, what is it called?

A) Solvent B) Solute
C) Immiscible D) Decantation
 
Answer & Explanation Answer: C) Immiscible

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Q:

The body of all complex animals consist of only _______ basic types of tissue(s).

A) 4000 B) 400
C) 40 D) 4
 
Answer & Explanation Answer: D) 4

Explanation:
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