Questions

Q:

In November 2017, scientists introduced fully functional artificial muscle to recover damages of ______.

 

A) Heart B) Lungs
C) Kidney D) Liver
 
Answer & Explanation Answer: A) Heart

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Filed Under: Biology
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1 12929
Q:

The instrument used to regulate temperature to particular degree is called

 

A) Thermostat B) Thermometer
C) pyrometer D) Thermocouple
 
Answer & Explanation Answer: C) pyrometer

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Filed Under: Inventions
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3 12928
Q:

The vast amount of sea weeds present in oceans may produce an endless source of

 

A) Methane B) Ocean thermal energy
C) Sea wave energy D) Nuclear energy
 
Answer & Explanation Answer: A) Methane

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Filed Under: Chemistry
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1 12922
Q:

What is ‘INS Karanj’, with reference to Indian Defence?

 

A) Scorpene submarine   B) Supersonic cruise missile
C) Anti-tank guided missile D) Military Tank
 
Answer & Explanation Answer: A) Scorpene submarine  

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Filed Under: General Awareness
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Q:

Underground water and the water on the earth's surface is called ________________

 

A) hydrosphere B) biosphere
C) lithosphere D) thermosphere
 
Answer & Explanation Answer: A) hydrosphere

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Filed Under: General Science
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1 12916
Q:

The core of an electromagnet is made of soft iron because soft iron has 

A) small susceptibility and small retentivity B) large susceptibility and small retentivity
C) large density and large retentivity D) small density and large retentivity
 
Answer & Explanation Answer: B) large susceptibility and small retentivity

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Filed Under: Physics

75 12896
Q:

Rearrange the parts of the sentence in correct order.

 

This means that for

P-making a significant dent
Q-have to grow at a faster rate
R-in poverty, rural incomes

 

A) PRQ B) PQR
C) QPR D) RPQ
 
Answer & Explanation Answer: A) PRQ

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Filed Under: English
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0 12890
Q:

The base of an electric iron is brightly polished mainly

A) to make it smooth and frictionless B) to make it rust-proof
C) to reduce heat loss by radiation D) to make it more durable
 
Answer & Explanation Answer: C) to reduce heat loss by radiation

Explanation:

Polished surfaces are poor radiators of heat. So loss of heat on that account is reduced and the electric iron remains hotter than otherwise.

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Filed Under: Physics

44 12887