Questions

Q:

Leeuwenhoek discovered the free living cells for the first time in ______.

A) pond water B) sea water
C) soil D) human body
 
Answer & Explanation Answer: A) pond water

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Q:

Name the first country to launch world's first 6G satellite named 'UESTC' satellite (Star Era - 12) with an aim to test communications from space?

 

A) United States B) Japan
C) China D) Russia
 
Answer & Explanation Answer: C) China

Explanation:

China has launched world's first 6G satellite named 'UESTC' satellite with an aim to test communications from space.

 

 

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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:

Ten thaats or scales, belong to which system of music?

A) Hindustani Music B) Folk Music
C) Chinese Music D) Western Music
 
Answer & Explanation Answer: A) Hindustani Music

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Q:

National Skill Development Corporation (NSDC) and ______ are planning to launch ‘Android Skill Development Programme’ to impart mobile app
development training.

A) Microsoft B) Google
C) Amazon D) Infosys
 
Answer & Explanation Answer: B) Google

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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:

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

A drop in the bucket

A) So much silence that even a drop can be heard B) A very small amount compared with what is needed
C) The final act before the task is done D) A small favour is worth a lot to a person in trouble
 
Answer & Explanation Answer: B) A very small amount compared with what is needed

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Q:

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.
ARID

A) DRY B) FERTILE
C) BARREN D) FALLOW
 
Answer & Explanation Answer: B) FERTILE

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