Questions

Q:

Anhinav Bharat Society of revolutionaries was organized by -

A) Jawaharlal Nehru B) Vinayak Savarkar
C) Bhagat Singh D) None
 
Answer & Explanation Answer: B) Vinayak Savarkar

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Q:

In which of the following years was the 'Caste Disabilities Act' passed?

A) 1850 B) 1860
C) 1863 D) 1876
 
Answer & Explanation Answer: A) 1850

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Q:

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is

A) 30° B) 45°
C) 60° D) 90°
 
Answer & Explanation Answer: C) 60°

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Q:

What is the simplified value of (cosec A + sin A)(cosec A – sin A)?

A) cos2A + cot2A B) 2 cos2A
C) 2 cot2A D) 2 cos A cot A
 
Answer & Explanation Answer: A) cos2A + cot2A

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Q:

CuO + H2 ---> Cu + H2O. This equation is an example of

A) Oxidation B) Decomposition
C) Reduction D) Redox
 
Answer & Explanation Answer: D) Redox

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Filed Under: Chemistry
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Q:

Which of these railway stations is a World Heritage Site?

A) Kharagpur Railway Station B) Howrah Station
C) Chhatrapati Shivaji Terminus D) Kanpur Central
 
Answer & Explanation Answer: C) Chhatrapati Shivaji Terminus

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Filed Under: Indian Geography
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Q:

How many bio-geographical zones are there in India?

A) 2 B) 4
C) 6 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Indian Geography
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Q:

Involuntary muscles are controlled by the

A) Central nervous system B) Autonomic nervous system
C) Peripheral nervous system D) All the above
 
Answer & Explanation Answer: B) Autonomic nervous system

Explanation:

Involuntary muscles are the muscles which contract without conscious control whereas Voluntary muscles are the muscles that help you walk, talk, pick up things, jump and do all the basic or complex movements you do everyday with your consciousness.

* The contraction in the involuntary muscles is controlled by the autonomic nervous system. These are present in the walls of the digestive system, blood vessels, bronchi, uterus and bladder.

* Voluntary muscles are mostly located in the arms ,legs ,hands, and feet.

 

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Filed Under: Biology
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