Questions

Q:

Which three processes are methods of genetic recombination?

A) independent assortment B) Crossing over
C) fertilization D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Genetic recombination is a complex process that involves alignment of two homologous DNA strands, precise breakage of each strand, equal exchange of DNA segments between the two strands, and sealing of the resultant recombined DNA molecules through the action of enzymes called ligases.

Crossing over, independent assortment and fertilization are methods of genetic recombination.

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Filed Under: Biology
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Q:

Because of base pairing in DNA, the percentage of

A) thymine molecules in DNA is about equal to the percentage of adenine molecules B) cytosine molecules in DNA is much greater than the percentage of guanine molecules
C) adenine molecules in DNA is about equal to the percentage of guanine molecules D) adenine molecules in DNA is much greater than the percentage of thymine molecules
 
Answer & Explanation Answer: A) thymine molecules in DNA is about equal to the percentage of adenine molecules

Explanation:
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Filed Under: Biology
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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
The theatre was keeping a seat for you.

A) A seat was being kept for you by the theatre. B) Keeping of a seat for you has been done by the theatre.
C) The theatre has kept a seat for you. D) A seat would be kept for you by the theatre.
 
Answer & Explanation Answer: A) A seat was being kept for you by the theatre.

Explanation:
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Q:

The best way to deal with a tailgater is to

A) Speed up to increase the distance between you and the tailgater B) Change lanes or gradually slow down to encourage them to pass
C) Slam on your brakes to get the other driver to back off D) Ignore them
 
Answer & Explanation Answer: B) Change lanes or gradually slow down to encourage them to pass

Explanation:
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Q:

Velocity of a car does not depend on

A) Speedometer B) Change in direction
C) Change in speed D) Change in acceleration
 
Answer & Explanation Answer: A) Speedometer

Explanation:
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Filed Under: Physics
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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

 

She will hand over her papers to her company at the end of this month.

A) Handing over of the papers by her to her company would be done by her at the end of this month. B) Her papers will be handed over by her to her company at the end of this month.
C) Her papers she will be handed over to her company at the end of this month. D) At the end of this month her papers would have been handed over to her company by herself.
 
Answer & Explanation Answer: B) Her papers will be handed over by her to her company at the end of this month.

Explanation:
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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 express the same sentence in Indirect/Direct speech.

I said, "My grand­father snored throughout the night."

A) I said my grand­father had snored throughout the night. B) I said that my grand­father snored throughout the night.
C) I said that my grand­father had snored throughout the night. D) I said that my grand­father had been snoring throughout the night.
 
Answer & Explanation Answer: C) I said that my grand­father had snored throughout the night.

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

The long-term capital gains on listed securities (1)/ and the dividend tax on equity mutual funds are the right steps (2)/ to generate resources required for drive demand in rural India. (3)/ No error (4)

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

Explanation:
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