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, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
My mother said to me, "You will regret your actions."

A) My mother warned me that I will regret my actions.	B) My mother warned me that I will be regretting my actions.
C) My mother warned me that I would regret my actions.	D) My mother warned me that I would be regretting my actions.

Answer & Explanation Answer: C) My mother warned me that I would regret my actions.

Explanation:

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Q:

Insects that transmit diseases are known as

A) Pathogens	B) Vectors
C) Drones	D) Scalars

Answer & Explanation Answer: B) Vectors

Explanation:

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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

A) annunciation	B) anunciation
C) annunceation	D) anunceation

Answer & Explanation Answer: A) annunciation

Explanation:

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Q:

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

A) svivelling	B) swiveling
C) swivelling	D) sviveling

Answer & Explanation Answer: C) swivelling

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

From the early 1990s, salaries shot up and stock options (were introduced).

A) are introduced	B) is introduced
C) was introduced	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Cross that bridge when you come to it.

A) It is always better to plan for an eventuality rather face it when you are unprepared.	B) Deal with a problem when and if it arises.
C) A bridge is a path to a different world.	D) If you are brave then you can overcome all hurdles.

Answer & Explanation Answer: B) Deal with a problem when and if it arises.

Explanation:

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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Fritter

A) Blow	B) Dwindle
C) Dissipate	D) Save

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