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Q:

The force of friction between two surfaces will increase if:

A) a layer of lubricant is kept between the two surfaces B) the two surfaces are pressed harder
C) air gap is created between the two surfaces D) irregularities on both the surfaces are removed
 
Answer & Explanation Answer: B) the two surfaces are pressed harder

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Q:

_________ influences the rate of weathering and humus in soil formation.

A) Flora & Fauna B) Time
C) Parent rock D) Climate
 
Answer & Explanation Answer: D) Climate

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Q:

The ionosphere overlaps which two layers of the atmosphere?

A) Troposphere and Mesosphere B) Mesosphere and Stratosphere
C) Ionosphere and Homosphere D) Exosphere and Thermosphere
 
Answer & Explanation Answer: D) Exosphere and Thermosphere

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Q:

The motion of a freely falling body is an example of ________________________ motion.

A) uniformly accelerated B) non-uniformly accelerated
C) constant velocity D) constant speed
 
Answer & Explanation Answer: A) uniformly accelerated

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Q:

At boiling point of liquids , its

A) Temperature increases B) Atmospheric pressure increases
C) Temperature remains constant D) Vapour pressure decreases
 
Answer & Explanation Answer: C) Temperature remains constant

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Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

 

In the entire

 

A : process of discoveries

B : and development, ethics

C : was exiled

 

A) CBA   B) ABC  
C) CAB   D) BCA
 
Answer & Explanation Answer: B) ABC  

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Filed Under: English
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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

 

Ostracise

 

A) Embrace   B) Exile  
C) Avoid   D) Deport
 
Answer & Explanation Answer: A) Embrace  

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Q:

‘Plum  Pudding  Model’  for  an  atom  was proposed by

A) Antoine Lavoisier B) Robert Boyle
C) Ernest Rutherford D) J. J. Thomson
 
Answer & Explanation Answer: D) J. J. Thomson

Explanation:

The   first   model   of   atom   was proposed   by   J.   J.   Thomson   in 1898.According  to  this  model,  the positive   charge   of   the   atom   is uniformly   distributed   throughout the  volume  of  the  atom  and  the negatively  charged  electrons  are embedded  in  it  like  seeds  in  a watermelon.    This    model    was picturesquely  called  plum  pudding model of the atom

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