Questions

Q:

Where are Enzymes found?

A) food B) human body
C) medicines D) none
 
Answer & Explanation Answer: B) human body

Explanation:

Enzymes play an essential role in each living cell of our body. Enzymes are globular proteins that control biological reactions. These are of two types.

1. Intracellular enzymes

2. Extracellular enzymes

 

Intracellular enzymes are found inside the cell.

Extracellular enzymes act outside the cell.

 

Enzymes are produced by exocrine glands.

Digestive enzymes of diverse specificities are secreted by the salivary glands, stomach, pancreas, and the small intestine.

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Q:

Why are manhole covers round?

Answer

A number of possible explanations for why manhole covers are round include :


 


1. A round manhole cover cannot fall through its circular opening, whereas a square, rectangular, or oval manhole cover could fall in if it were inserted diagonally in the hole.


2. Circular covers don’t need to be rotated or precisely aligned when placing them on the opening.


3. A round manhole cover is easily moved and rolled.


4. Human beings have a roughly circular cross-section.


5. Round tubes are the strongest shape against the compression of the earth around them, so the cover of the tube would naturally be round as well.


6. It’s easier to dig a circular hole.

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Q:

Which of the following is known as the Electronic City of India?

A) Hyderabad B) Mumbai
C) Bengaluru D) Gurgaon
 
Answer & Explanation Answer: C) Bengaluru

Explanation:

Bengaluru city is known as the Electronic City of India. Because Electronic City is an IT hub in Anekal taluk of Bengaluru, Karnataka, India. It is one of India's largest electronic industrial parks in 3 phases i.e, in Konappana Agrahara and Doddathogur villages, Bengaluru.

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Q:

Electron, Proton, Neutron discovered by

A) J. J. Thomson, Ernest Rutherford & James Chadwick B) John Dalton, J.J. Thomson & Neils Bohr
C) Neils Bohr, John Dalton & J.J. Thomson D) None of the above
 
Answer & Explanation Answer: A) J. J. Thomson, Ernest Rutherford & James Chadwick

Explanation:

J. J. Thomson discovered electrons in the year 1897.

electron_discovered_by1560577555.jpg image

Ernest Rutherford discovered protons in 1911.

proton_discovered_by1560577702.jpg image

James Chadwick discovered neutrons.

neutron_discovered_by1560577801.jpg image

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Q:

Who among the following is a famous American thriller and mystery fiction writer?

A) Dan Brown B) Rupert Brooke
C) John Brown D) Charlotte Bronte
 
Answer & Explanation Answer: A) Dan Brown

Explanation:
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Q:

The writer of the Harry Potter book series is

A) DBC Pierre B) Dominique Lapierre and Lary Collins
C) Jhumpa Lahiri D) J.K.Rowling
 
Answer & Explanation Answer: D) J.K.Rowling

Explanation:
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Q:

Which of the following is not true about listening?

A) It involves conscious psychological action. B) Attention and meaning given to sounds turns hearing in to listening.
C) It is a passive, constant process. D) It is an active and selective process.
 
Answer & Explanation Answer: C) It is a passive, constant process.

Explanation:
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Q:

Which of the following is not a pure substance?

A) Oxygen B) Carbon dioxide
C) Water D) Milk
 
Answer & Explanation Answer: D) Milk

Explanation:

Milk is not a pure substance since it has so many constituents that can be separated physically.

Compounds are pure substances formed from elements unlike mixtures.

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