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Q:

Radiocarbon dating technique is used to estimate the age of

A) fossils B) rocks
C) monuments D) soil
 
Answer & Explanation Answer: A) fossils

Explanation:

Radiocarbon dating also referred to as carbon dating or carbon-14 dating is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon.

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Filed Under: Physics
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Q:

A large underground economy results in an

A) Overstated GDP B) Understated GDP price index
C) Overstated GDP price index D) Understated GDP
 
Answer & Explanation Answer: D) Understated GDP

Explanation:
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Filed Under: Indian Economy
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Q:

Which of the following may cause the breakdown of pyruvate into lactic acid in our muscles?

A) Lack of water B) Lack of Oxygen
C) Lack of carbon dioxide D) Lack of nitrogen  
 
Answer & Explanation Answer: B) Lack of Oxygen

Explanation:
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Filed Under: Biology
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Q:

Which  one  of  the  following  statements  is not correct?

A) The    cathode    rays    originate    from cathode   and   proceed   towards   the anode   in   a   cathode-ray   discharge tube. B) The television picture tubes are nothing but cathode ray tubes.
C) The  cathode  rays  themselves  are  not visible. D) The   characteristics   of   cathode   rays depend  upon  the  nature  of  the  gas present in the cathode-ray tube.
 
Answer & Explanation Answer: D) The   characteristics   of   cathode   rays depend  upon  the  nature  of  the  gas present in the cathode-ray tube.

Explanation:

Cathode ray is a beam of electrons emitted   from   the   cathode   of   a vacuum    tube.    It    is    invisible. Cathode  ray  tubes  are  also  found in     televisions     and     computer monitors.  Since  cathode  ray  is  a beam of electrons and all electrons are  identical,  charge  to  mass  ratio is same for all the gases and does not depend on the nature of gas.

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Filed Under: Chemistry
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Q:

Which country won the team event at 1st Mallakhamb World Championship?

A) China B) Nepal
C) Japan D) India
 
Answer & Explanation Answer: D) India

Explanation:

India emerged as winners in the team event at the first Mallakhamb World Championship held in Mumbai.

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To heave a sigh of relief

A) To ecome very tired with routine or boring work B) To suddenly feel very happy because something unpleasant has not happened or has ended
C) To Feel extremely sad over someone else's misfortune D) To Feel silent anger over real or perceived injustice
 
Answer & Explanation Answer: B) To suddenly feel very happy because something unpleasant has not happened or has ended

Explanation:
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Filed Under: English
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Q:

The operating system creates _ from the physical computer.

A) Virtual device B) Virtual space
C) Virtual computer D) All of the above
 
Answer & Explanation Answer: C) Virtual computer

Explanation:
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Filed Under: Computer
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Q:

The odometer guage indicates

A) the distance travelled by a vehicle B) the depth of the ocean
C) pitch length D) frequency of the wave
 
Answer & Explanation Answer: A) the distance travelled by a vehicle

Explanation:

The odometer or the odograph is an instrument used to indicate the distance travelled by the vehicle.

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Filed Under: Physics
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