Questions

Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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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'.

 

The Bench will also have to say (1)/ whether the laws are really at consonance with (2)/ the basic tenets of the 1960 Act. (3)/ No error (4)

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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'.

 

I look up (1)/ after the blast (2)/ of light enveloped the park. (3)/ No error (4)

 

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

Explanation:
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Q:

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

 

We also need to work towards a re-engineering of procedures. It __________________ that fear of being scrutinised by the office of the Central Vigilance Commissioner has _________________ loan officers in the public sector into inaction. It is _______________ no use having a publicly-owned banking ___________ that does not extend credit to sound projects on grounds of __________________ scrutiny.

 

sound projects on grounds of __________________ scrutiny.

 

A) pensive B) retrospective
C) reflective D) contemplative
 
Answer & Explanation Answer: B) retrospective

Explanation:
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Q:

The work done in one complete revolution of the moon around the earth is equal to

A) centripetal force x radius of the orbit of the moon B) gravitational force x circumference of the orbit of the moon
C) gravitational force x diameter of the orbit of the moon D) zero
 
Answer & Explanation Answer: D) zero

Explanation:
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Q:

American astronaut Scott Joseph Kelly commanded the International Space Station Consecutively for 340 days on ___.

A) Expedition 24 B) Expedition 25
C) Expedition 26 D) Expedition 27
 
Answer & Explanation Answer: C) Expedition 26

Explanation:
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Q:

Who was the chief guest on the occasion of 69th Independence Day celebrations in India?

A) President of France B) President of China
C) Prime Minister of Bhutan D) President of U.S.A.
 
Answer & Explanation Answer: D) President of U.S.A.

Explanation:
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Q:

Which country has banned cotton imports from China citing 'Slave labour'?

A) Russia B) United Kingdom
C) India D) United States
 
Answer & Explanation Answer: D) United States

Explanation:
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