Questions

Q:

One billionth of a second is called

A) microsecond B) picoseconds
C) millisecond D) nanosecond
 
Answer & Explanation Answer: D) nanosecond

Explanation:

A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second or one billionth of a second.

 

  • That is, 1/1,000,000,000 of a second, or 10^−9 seconds.
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Q:

In 1948 , in which former princely state in west India was a referendum held when the people decided to join the Indian Union?

Answer

Junagadh

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Q:

The system of Local Bodies in India was introduced by-

A) Lord Ripon B) Lord Mayo
C) Lord Lytton D) Lord Curzon
 
Answer & Explanation Answer: A) Lord Ripon

Explanation:

Lord Ripon was the Viceroy of India from 1880 to 1884. He introduced Local Bodies (Local Self Governance) in 1882 and showed the taste of independence to Indians.

Image result for Lord Ripon

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Q:

Air in the pleural cavity is called a pneumothorax.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Air or gas can build up in the pleural space and when this happens, it's called a pneumothorax.


Hence the given statement is TRUE.

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Subject: Biology
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Q:

What does 'M' stand for in chemistry?

Answer

'M' is used as a unit of molarity and stands for mole per litre i.e, number of moles of solute per liter of solution.

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Q:

What sugar is found in DNA?

A) Ribose B) Deoxyribose
C) Pentose D) Sucrose
 
Answer & Explanation Answer: B) Deoxyribose

Explanation:

DNA - Deoxyribonucleic acid is a type of nucleic acid. The sugar contained in it is called Deoxyribose.

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Q:

Goosebumps are caused by contractions of the

A) Muscles B) Nerves
C) Bones D) All of the above
 
Answer & Explanation Answer: A) Muscles

Explanation:

Goosebumps are caused by the contraction of the tiny muscles attached to hair follicles. These muscles are arrectores pilorum muscles.

 

Goosebumps_are_caused_by_contractions_of_the1560862968.png image

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Q:

Which of the following is not a prime cost?

A) Supervisor's wages B) Assembly line wages
C) Machine operators wages D) Direct labor wages
 
Answer & Explanation Answer: A) Supervisor's wages

Explanation:

The prime cost calculates the use of raw materials and direct labor, but does not factor in indirect expenses, such as advertising and administrative costs.

Supervisor's wages doesn;t come under prime cost.

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