Questions

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 part of the human reproductive system helps the embryo get its nutrition from the mother's blood?

A) Placenta B) Fallopian tube
C) Uterus D) Cervix
 
Answer & Explanation Answer: A) Placenta

Explanation:
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Filed Under: Biology
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Q:

If a denotes x , b denotes ÷ , c denotes + and d denotes ­ , then 8 a 3 c 24 b 12 d 19 = ?

A) 17 B) 7
C) 14 D) 8
 
Answer & Explanation Answer: B) 7

Explanation:
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Q:

Sensitivity of potentiometer can be increased by

A) increasing the e.m.f. of the cell B) increasing the length of the potentiometer
C) decreasing the length of the potentiometer wire D) none of these
 
Answer & Explanation Answer: B) increasing the length of the potentiometer

Explanation:
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Filed Under: Physics
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Q:

Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be

A) 30 ohm B) 10 ohm
C) 5 ohm D) 20 ohm
 
Answer & Explanation Answer: A) 30 ohm

Explanation:
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Filed Under: Physics
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Q:

According to a latest report by UN Women and the UN Development Programme (UNDP), released in November 2017, which region has been ranked as the world's most violent region for women?

 

A) Latin America and the caribean countries B) Sudan
C) Gulf Countries D) South East Asian Countries
 
Answer & Explanation Answer: A) Latin America and the caribean countries

Explanation:
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Filed Under: Indian Politics
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Q:

‘Mentor India’ Compaign is an initiative to engage leaders who can guide and mentor students at ‘Atal Tinkering Labs’ across the country. Who launched‘Mentor India’ Campaign?

A) NASSCOM B) ASSOCHAM
C) NITI Aayog D) SEBI
 
Answer & Explanation Answer: C) NITI Aayog

Explanation:
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Q:

Glaciers are formed by

A) Melting snow B) Accumulation of snow
C) Heavy hail fall D) High rainfall
 
Answer & Explanation Answer: B) Accumulation of snow

Explanation:
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Filed Under: General Science
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