Questions

Q:

Which of the following metals cannot be easily cut with a knife?

A) Sodium B) Aluminium
C) Lithium D) Potassium
 
Answer & Explanation Answer: B) Aluminium

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Filed Under: Chemistry
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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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Q:

Which is largest peninsular river in India?

A) Krishna B) Godavari
C) Cauvery D) Mahanadi
 
Answer & Explanation Answer: B) Godavari

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Filed Under: Indian Geography
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Q:

The side of an equilateral triangle is 8 cm. Find its area (in cm2).

A) 25√3 B) 16√2
C) 25√2 D) 16√3
 
Answer & Explanation Answer: D) 16√3

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Q:

Roshan Lal, who won the Guru Dronacharya Award for 2017, is associated with which stream of sport?

A) Volleyball B) Hockey
C) Wrestling D) Football
 
Answer & Explanation Answer: A) Volleyball

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Filed Under: Sports
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Q:

Who launched Pradhan Mantri Vaya Vandana Yojana (PMVVY) in July 2017?

A) Rajnath Singh B) Arun Jaitley
C) Suresh Prabhu D) Nirmala Sitharaman
 
Answer & Explanation Answer: B) Arun Jaitley

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Filed Under: Indian Politics
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Q:

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

A) 100% B) 25%
C) 50% D) 75%
 
Answer & Explanation Answer: D) 75%

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Filed Under: Physics
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Q:

Which of the following devices converts Chemical energy into Electrical energy?

A) Electric heater B) Electric fan
C) Hair dryer D) Electric cell
 
Answer & Explanation Answer: D) Electric cell

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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