Q:

Which one of the followingis notan allotrope of carbon?

A) Coal	B) Diamond
C) Graphite	D) Graphene

Answer & Explanation Answer: A) Coal

Explanation:

Allotropy is the property of some chemical elements to exist in two or more different forms, or allotropes, when found in nature. There are several allotropes of carbon like diamond, graphite, graphene, fullerene, etc.Coal is not an allotrope of carbon because it is not 100% carbon. It contains lot of silica, sulphur and other compounds of carbon apart from carbon.

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Filed Under: Chemistry
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Q:

Which of the following vitamins help in the absorption of calcium?

A) Vitamin A	B) Vitamin D
C) Vitamin B	D) Vitamin C

Answer & Explanation Answer: B) Vitamin D

Explanation:

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Filed Under: Biology
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Q:

What is regulated by the sphincter muscle in the stomach?

A) Exit of the food from the stomach	B) Entry of food in the stomach
C) Mixing of food in the stomach	D) Exit of food from the large intestine

Answer & Explanation Answer: A) Exit of the food from the stomach

Explanation:

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Filed Under: Biology
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Q:

Plants utilise ________ from the atmosphere foe photosynthesis

A) oxygen	B) nitrogen
C) Carbon dioxide	D) hydrogen

Answer & Explanation Answer: C) Carbon dioxide

Explanation:

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Q:

Which of the following states has NOT met the boundary with Mizoram?

A) Nagaland	B) Myanmar
C) Assam	D) Tripura

Answer & Explanation Answer: A) Nagaland

Explanation:

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Filed Under: Indian Geography
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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".

No one knows how he escaped (dash) to pieces.

A) being dash	B) being dashed
C) dashed	D) no improvement

Answer & Explanation Answer: B) being dashed

Explanation:

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Filed Under: English
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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 fire destroyed the whole neighbourhood.

A) The whole neighbourhood is destroyed by the fire.	B) The whole neighbourhood was destroyed by the fire.
C) The whole neighbourhood was being destroyed by the fire.	D) The whole neighbourhood is being destroyed by the fire.

Answer & Explanation Answer: B) The whole neighbourhood was destroyed by the fire.

Explanation:

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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'.

Each one of his sisters (A) / were (B) / hardworking.(C)/ No Error (D)

A) A	B) B
C) C	D) D

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