Questions

Q:

 In August 2017, Indian Government has launched a portal to provide a platform to sell agricultural produce called ‘e-RAKAM’. What does ‘M’ stand for?

A) Market B) Mandi
C) Management D) Messaging
 
Answer & Explanation Answer: B) Mandi

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Q:

Sri Lanka on 9 December, 2017 formally handed over the control of the southern deep sea port of Hambantota to which country for 99 year lease?

 

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

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Q:

Which is India's first defense satellite?

A) INSAT 2B B) GSAT - 7
C) GSAT - 6 D) IRS - 1A
 
Answer & Explanation Answer: B) GSAT - 7

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Q:

The beach sands of Kerala are rich in

A) Calcium B) Radium
C) Thorium D) Manganese
 
Answer & Explanation Answer: C) Thorium

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Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Q:

'Gallon' is commonly used

A) To refer to speed B) To refer to a container
C) As a measure of volume D) To express containers in terms of barrel
 
Answer & Explanation Answer: C) As a measure of volume

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Q:

Rayon is obtained from which among thefollowing?

A) Silk B) Wood pulp  
C) Wool   D) Cotton
 
Answer & Explanation Answer: B) Wood pulp  

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Q:

Which of the following are the smaller planets than the size of the Earth?

A) Uranus and Mars B) Neptune and Venus
C) Venus and Mars D) Neptune and Mars
 
Answer & Explanation Answer: C) Venus and Mars

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