Questions

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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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:

Salination of soil is caused by

A) Pesticides B) soil erosion
C) excess irrigation D) crop rotation
 
Answer & Explanation Answer: C) excess irrigation

Explanation:
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Q:

What do you mean by 'Density of Population'?

A) Ratio of people living below poverty line to total population B) Number of persons live per square kilometre
C) Number of persons in a city D) Number of persons living per kilometre
 
Answer & Explanation Answer: B) Number of persons live per square kilometre

Explanation:
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Q:

Which country was designated as the major defence partner of USA in December, 2016?

A) Canada B) Israel
C) India D) United Kingdom
 
Answer & Explanation Answer: C) India

Explanation:
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Q:

Who is the the present (March 2018) Prime Minister of Pakistan?

A) Mamnoon Hussain B) Shahid Khaqan Abbasi
C) Muhammad Nawaz Sharif   D) Yousaf Raza Gillani
 
Answer & Explanation Answer: B) Shahid Khaqan Abbasi

Explanation:
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Q:

______________ scheme launched by the Central Government aims at development of rural growth clusters which have latent potential for growth.

A) Soil Health Card B) Shyama Prasad Mukherji Rurban Mission
C) Pradhan Mantri Fasal Bima Yojana D) National RU URBAN Mission
 
Answer & Explanation Answer: B) Shyama Prasad Mukherji Rurban Mission

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.
Common adverse __________ of this medication include, bleeding, nausea and vomiting.

A) affects B) effect
C) effects D) affect
 
Answer & Explanation Answer: C) effects

Explanation:
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