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:

By volume, 78% of air is _______________

A) nitrogen	B) oxygen
C) hydrogen	D) helium

Answer & Explanation Answer: A) nitrogen

Explanation:

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Q:

Which country has started constructing world’s biggest floating Solar power plant in December 2017?

A) China	B) Australia
C) South Africa	D) Russia

Answer & Explanation Answer: A) China

Explanation:

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Filed Under: Indian Geography
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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:

Who is the author of the autobiographical work 'On My Terms : From the Grassroots to the Corridors of Power'?

A) Amit Shah	B) Lalu Prasad Yadav
C) Sharad Pawar	D) Manmohan Singh

Answer & Explanation Answer: C) Sharad Pawar

Explanation:

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Filed Under: Books and Authors
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Q:

Find the acceleration (in m/s2) produced in a body of mass 10 kg when a force of 20 N is applied on it.

A) 200	B) 4
C) 2	D) 100

Answer & Explanation Answer: C) 2

Explanation:

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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 it by selecting the appropriate option.
At night, the winding roads can make driving up the mountain a ______________ journey.

A) carefree	B) beastly
C) obnoxious	D) treacherous

Answer & Explanation Answer: D) treacherous

Explanation:

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Filed Under: English
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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 it by selecting the appropriate option.
Common adverse __________ of this medication include, bleeding, nausea and vomiting.

A) affects	B) effect
C) effects	D) affect

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