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Q:

Plants get their energy to produce food from which of the following?

A) Photosynthesis B) Bacteria
C) Fungi D) Sun
 
Answer & Explanation Answer: D) Sun

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

California - based private spaceflight company Space X has launched which secret mission for United States government?

A) Sprint B) Zuma
C) Cygnus D) Dream Chaser
 
Answer & Explanation Answer: B) Zuma

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Filed Under: General Science
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Q:

CMOS is a

A) Battery-powered memory chip B) Basic input-output system
C) Storage device D) Cache memory operating system
 
Answer & Explanation Answer: A) Battery-powered memory chip

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Filed Under: Computer
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Q:

Windows 10 is

A) an utility software B) a browser
C) an application software D) an operating system
 
Answer & Explanation Answer: D) an operating system

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Filed Under: Computer
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Q:

Who took charge as the new Comptroller and Auditor General (CAG) of India in 2017?

A) Rajiv Mehrishi B) Achal Kumar Jyothi
C) Ranjit Kumar D) Vivek Goenka
 
Answer & Explanation Answer: A) Rajiv Mehrishi

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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

Name the committee appointed in 1986 by Rajiv Gandhi on "Revitalisation of Panchayti Raj Institution for Democracy & Development".

A) Ashok Mehta Committee B) L M Singhvi Committee
C) G.V.K. Rao Committee D) Balwant Rai Mehta Committee
 
Answer & Explanation Answer: B) L M Singhvi Committee

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Filed Under: Indian Politics
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Q:

Air moves from the region where the air _____________________________.

A) humidity is high to the region where the humidity is low B) pressure is low to the region where the pressure is high
C) pressure is high to the region where the pressure is low   D) humidity is low to the region where the humidity is high  
 
Answer & Explanation Answer: C) pressure is high to the region where the pressure is low  

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

The attenuation in optical fibre is mainly due to

A) Scattering B) Absorption
C) Both (a) and (b) D) Neither absorption nor scattering
 
Answer & Explanation Answer: A) Scattering

Explanation:

The reason for transmitting data over optical fibers, is because the speed of data transmission through optical wires are equal to the speed of light. The intense speed of data transfer speed, has lead to the use of optical fibers. The optical fiber uses the technology of transferring light beams, from one end to the other end of optical cables. The attenuation in optical fiber is due to Scattering. The reason why scattering is caused, due to the folding, in the wire.

 

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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