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:

According to an early Indian philosopher everything is made up of ___ basic elements.

A) 2	B) 4
C) 3	D) 5

Answer & Explanation Answer: D) 5

Explanation:

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Q:

The innovation theory of profit was proposed by

A) Marshall	B) Clark
C) Schumpeter	D) Joan Robbinson

Answer & Explanation Answer: C) Schumpeter

Explanation:

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Filed Under: Indian Economy
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Q:

___________ is obtained by evaporation of sea.

A) Sugar	B) Iron
C) Salt	D) Steel

Answer & Explanation Answer: C) Salt

Explanation:

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Filed Under: General Science
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Q:

Which out of the following is not a launch vehicle of India for placing satellites in the orbit?

A) PSLV	B) GSAT - 8
C) GSLV	D) Ariane SGS

Answer & Explanation Answer: B) GSAT - 8

Explanation:

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Q:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm	B) -15 cm
C) +30 cm	D) +15 cm

Answer & Explanation Answer: B) -15 cm

Explanation:

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Filed Under: Physics
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Q:

______________ scheme launched by the Central Government aims to promote entrepreneurship among people from schedule caste/schedule tribe.

A) Pradhan Mantri Fasal Bima Yojana	B) Gram Uday Se Bharat Uday Abhiyan
C) Stand up India scheme	D) National RU URBAN Mission

Answer & Explanation Answer: C) Stand up India scheme

Explanation:

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Filed Under: Indian Politics
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Q:

__________ approves constitutional amendments.

A) Rajya Sabha	B) Ministry of Defence
C) Prime Minister's Office	D) Securities and Exchange Board of India

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