Questions

Q:

A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

 

A) 48 B) 60
C) 24 D) 96
 
Answer & Explanation Answer: C) 24

Explanation:
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Filed Under: Physics
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Q:

Which  one  of  the  following  with  regard  to Aridisol,  one  of  the  soil  orders,  is not correct?

A) Lack  of  water  for  plants during  most part of the years B) High organic matter
C) Large  accumulation  of  carbonates  at depth D) Absence of deep wide cracks
 
Answer & Explanation Answer: B) High organic matter

Explanation:

All  are  correct  except  B  as  Aridisol is just like sand like soil as in Arid region  e.g.  In  Rajasthan,  so  there will be very less amount of organic matter.

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Filed Under: Biology
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Q:

Ice floats on water because its density is

A) more than water B) zero
C) less than water D) same as water
 
Answer & Explanation Answer: C) less than water

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Filed Under: Chemistry
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Q:

Which three processes are methods of genetic recombination?

A) independent assortment B) Crossing over
C) fertilization D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Genetic recombination is a complex process that involves alignment of two homologous DNA strands, precise breakage of each strand, equal exchange of DNA segments between the two strands, and sealing of the resultant recombined DNA molecules through the action of enzymes called ligases.

Crossing over, independent assortment and fertilization are methods of genetic recombination.

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Filed Under: Biology
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Q:

In a plant, which of the following is converted into seed?

A) ovule B) ovary
C) style D) stigma
 
Answer & Explanation Answer: A) ovule

Explanation:
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Filed Under: Biology
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Q:

As per Economic survey 2017-18, the percentage contribution of the services sector to India's GDP will be in the range of

A) Between 40-50% B) Greater than 50%
C) Less than 30% D) Between 30-40%
 
Answer & Explanation Answer: B) Greater than 50%

Explanation:
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Filed Under: Indian Economy
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Q:

Irfaan loves black coffee. A roadside stall selling a cup of black coffee at Rs. 120, offered 25% discount to Irfaan. If Irfaan was willing to pay even Rs. 200 for this cup of black coffee, Irfaan's consumer surplus is

A) 90 B) 80
C) 30 D) 110
 
Answer & Explanation Answer: D) 110

Explanation:
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Q:

An exculpatory clause is generally unenforceable when

A) it involves public transportation. B) it attempts to release a party from liability for ordinarily negligent behavior.
C) it is written clearly and in bold, large print. D) the affected activity is a recreational activity.
 
Answer & Explanation Answer: A) it involves public transportation.

Explanation:
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