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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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Filed Under: Biology
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Q:

Which of the following fuel has maximum calorific value?

A) Petrol B) Coal
C) Wood D) Cow dung  
 
Answer & Explanation Answer: A) Petrol

Explanation:
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Filed Under: Chemistry
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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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Filed Under: English
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Q:

If the break­even quantity for a factory whose variable cost of manufacturing a cell is Rs. 15 and selling price is Rs. 24 is 2,400 units, find the fixed cost of the factory?

A) Rs. 21600 B) Rs. 36000
C) Rs. 57600 D) Rs. 14400
 
Answer & Explanation Answer: A) Rs. 21600

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Filed Under: Indian Economy
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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

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Filed Under: Physics
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Q:

Which is India's first defense satellite?

A) INSAT 2B B) GSAT - 7
C) GSAT - 6 D) IRS - 1A
 
Answer & Explanation Answer: B) GSAT - 7

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Filed Under: General Awareness
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Q:

Who launched 'Shramdaan movement' as part of Swachh Bharat and Swachh Puducherry initiative at Seliamedu village in Puducherry?

A) Rajiv Bansal B) Prakash Javdekar
C) Nitish Kumar D) Lt Governor Kiran Bedi
 
Answer & Explanation Answer: D) Lt Governor Kiran Bedi

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Q:

Azadirachta indica is the botanical name of which of the following?

A) Rose plant B) Apple tree
C) Neem D) Mango
 
Answer & Explanation Answer: C) Neem

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Filed Under: General Science
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