Questions

Q:

Which one of the following Indus Civilization site gives evidence of a dockyard

A) Harappa B) Lothal
C) Mohenjodaro D) Rakhigarhi
 
Answer & Explanation Answer: B) Lothal

Explanation:
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Filed Under: Indian History

22 14899
Q:

Something which has easily-understood instructions is said to be___

A) Analog data B) Digital data
C) Modem data D) Watts data
 
Answer & Explanation Answer: A) Analog data

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Filed Under: Computer
Exam Prep: Bank Exams

32 14897
Q:

Ultrasonic waves are used for stirring liquid solutions because they 

A) do not produce noise during the operation B) are easy to produce
C) can produce perfectly homogeneous solutions D) do not produce chemical reactions in the solution
 
Answer & Explanation Answer: C) can produce perfectly homogeneous solutions

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Filed Under: Physics

87 14893
Q:

Rajasthan receives very little rain because

A) It is too hot B) there is no water available and thus the winds remain dry
C) the mansoons fail to reach this area D) the winds do not come across any barrier to cause the necessary uplift to cool the winds
 
Answer & Explanation Answer: D) the winds do not come across any barrier to cause the necessary uplift to cool the winds

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Filed Under: Indian Geography

56 14890
Q:

Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.

A) 2:9 B) 3:9
C) 1:9 D) 4:9
 
Answer & Explanation Answer: C) 1:9

Explanation:

Let their edges be a and b. Then,

 

a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).

 

\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.

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31 14870
Q:

The nitrogen atom has 7 protons and 7 electrons,The nitride ion will have

A) 10 protons and 7 electrons B) 7 protons and 10 electrons
C) 4 protons and 7 electrons D) 4 protons and 10 electrons
 
Answer & Explanation Answer: B) 7 protons and 10 electrons

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Filed Under: Chemistry

42 14860
Q:

Pieces of camphor placed on water move about rapidly. This is because of

A) diffusion B) viscosity
C) surface tension D) capillarity
 
Answer & Explanation Answer: C) surface tension

Explanation:

The Camphor slowly dissolves in the water lowering the latter's surface tension in the immediate neighbourhood. The stronger pull exerted by the uncontaminated portion of water brings about a movement of the surface and the camphor particles are carried along with it. When after sometime the whole surface settles for the reduced tension, the movement of the camphor too short.

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Filed Under: Physics

66 14846
Q:

Manipur has common boundaries with the group of states of

A) Meghalaya, Mizoram and Tripura B) Nagaland, Mizoram and Meghalaya
C) Nagaland, Assam and Mizoram D) Nagaland, Meghalaya and Tripura
 
Answer & Explanation Answer: C) Nagaland, Assam and Mizoram

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Filed Under: Indian Geography

53 14843