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:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Articulate

A) Dominate	B) Distinct
C) Helpers	D) Unsteady

Answer & Explanation Answer: B) Distinct

Explanation:

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Q:

Which state does not share its border with Jharkhand?

A) Madhya Pradesh	B) Chhattisgarh
C) Orissa	D) West Bengal

Answer & Explanation Answer: A) Madhya Pradesh

Explanation:

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Q:

How many states does India have as of June 2017?

A) 26	B) 27
C) 28	D) 29

Answer & Explanation Answer: D) 29

Explanation:

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Q:

Moti Masjid is situated in which of these World Heritage Sites?

A) Humayun's Tomb	B) Mahabodhi Temple Complex
C) Qutub Minar	D) Red Fort Complex

Answer & Explanation Answer: D) Red Fort Complex

Explanation:

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Q:

___________ is the second largest animal phylum.

A) Mollusca	B) Chordata
C) Coelomates	D) Anneldia

Answer & Explanation Answer: A) Mollusca

Explanation:

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Q:

Myopia affects which of the following organs?

A) Heart	B) Skin
C) Eyes	D) Mouth

Answer & Explanation Answer: C) Eyes

Explanation:

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Q:

There are how many vocal cords in the human voice box?

A) One	B) Two
C) Three	D) Four

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