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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
Exam Prep: Bank Exams

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Q:

By volume, 78% of air is _______________

A) nitrogen B) oxygen
C) hydrogen D) helium
 
Answer & Explanation Answer: A) nitrogen

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Filed Under: Chemistry
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Q:

At least one pair of opposite angles is congruent in a _____.

A) Cyclic quadrilateral B) Trapezium
C) Isosceles trapezium D) Kite
 
Answer & Explanation Answer: D) Kite

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

Gandhiji's first Satyagraha in India was held at __________

A) Champaran B) Ahmedabad
C) Kheda D) Allahabad
 
Answer & Explanation Answer: A) Champaran

Explanation:
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Filed Under: Indian History
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Q:

Which one of the following female athletes is not a squash player?

A) Joshna Chinnappa B) Dipika Pallikal
C) Koneru Humpy D) Anaka Alankamony
 
Answer & Explanation Answer: C) Koneru Humpy

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Filed Under: Sports
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Q:

By which process the Chinese Scientists have cloned two identical long - tailed macaques?

A) Polymerase chain reaction B) Parthenogenesis
C) Somatic cell nuclear transfer D) Embryonic cell nuclear transfer
 
Answer & Explanation Answer: C) Somatic cell nuclear transfer

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Filed Under: General Science
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Q:

Which of the following is the cleanest source of energy?

A) Biofuel B) Fossil fuel
C) Nuclear power D) Wind energy
 
Answer & Explanation Answer: D) Wind energy

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Filed Under: General Science
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Q:

Bulb is a modification of which part of a plant?

A) The root B) The stem
C) The radicle D) The fruit
 
Answer & Explanation Answer: B) The stem

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Filed Under: General Science
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