Questions

Q:

If the velocity of a body becomes two times its initial velocity, its kinetic energy becomes n times its initial kinetic energy. What is the value of n?

A) 4 B) 6
C) 1/2 D) 3
 
Answer & Explanation Answer: A) 4

Explanation:
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Q:

Polynucleotide chain of DNA contains

A) a nitrogenous base, deoxyribose sugar and phosphate group B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group D) a nitrogenous base and phosphate group only
 
Answer & Explanation Answer: A) a nitrogenous base, deoxyribose sugar and phosphate group

Explanation:

The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.

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Q:

Which of the following vitamins contain nitrogen?

A) Vitamin A B) Vitamin B
C) Vitamin C D) Vitamin D
 
Answer & Explanation Answer: B) Vitamin B

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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate itby selecting the appropriate option.

There are _____ books on computer science in your school library, so you need to purchase them from the market.

A) a few B) a little
C) few D) the few
 
Answer & Explanation Answer: C) few

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Q:

Which is NOT an example of organism that takes in whole food material and breaks it down inside its body?

 

A) Mushrooms   B) Fish  
C) Snake D) Lizards
 
Answer & Explanation Answer: A) Mushrooms  

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Q:

Dudhwa Tiger Reserve is in which state?

A) Karnataka B) Uttar Pradesh
C) Chhattisgarh D) West Bengal
 
Answer & Explanation Answer: B) Uttar Pradesh

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Filed Under: Indian Geography
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Q:

India shares water border with ___ countries.

A) Three B) Four
C) Five D) Seven
 
Answer & Explanation Answer: D) Seven

Explanation:

India's maritime boundaries are shared with seven countries — Pakistan, Maldives, Sri Lanka, Indonesia, Thailand, Myanmar and Bangladesh.

 

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Q:

Which of the following tax systems will help to reduce economic inequalities in India?

A) Regressive Tax B) Progressive Tax
C) Flat rate tax D) None of these
 
Answer & Explanation Answer: B) Progressive Tax

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