Questions

Q:

Which of the following type of medicine is used for treating indigestion?

A) Antibiotic B) Analgesic
C) Antacid D) Antiseptic
 
Answer & Explanation Answer: C) Antacid

Explanation:
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Q:

Which one of the followingis notan allotrope of carbon?

A) Coal B) Diamond
C) Graphite D) Graphene
 
Answer & Explanation Answer: A) Coal

Explanation:

Allotropy is the property of some chemical elements to exist in two or more different forms, or allotropes, when found in nature. There are several allotropes of carbon like diamond, graphite, graphene, fullerene, etc.Coal is not an allotrope of carbon because it is not 100% carbon. It contains lot of silica, sulphur and other compounds of carbon apart from carbon.

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Filed Under: Chemistry
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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Q:

By volume, 78% of air is _______________

A) nitrogen B) oxygen
C) hydrogen D) helium
 
Answer & Explanation Answer: A) nitrogen

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Q:

Which tax causes a burden on the poorer section of the society?

A) Direct Tax B) Indirect Tax
C) Both Direct and Indirect Tax D) None of these
 
Answer & Explanation Answer: B) Indirect Tax

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Q:

A binding price ceiling is designed to

A) keep prices low B) increase efficiency
C) increase the quality of the good D) prevent shortages
 
Answer & Explanation Answer: A) keep prices low

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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:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.


Cozen

 

A) Cheat B) Catch
C) Burn   D) Honest
 
Answer & Explanation Answer: D) Honest

Explanation:
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