Questions

Q:

Which country has launched world’s largest human genome research project to document genetic makeup of one lakh people?

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

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Q:

What is the SI unit of Force?

A) Pascal B) Boyle
C) Newton D) Watt
 
Answer & Explanation Answer: C) Newton

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Filed Under: Physics
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Q:

Which of the following is false with reference to a photo-voltaic cell?

A) It is another name as solar cell B) It can be used as infra-red detectors
C) It can store light energy in the form of electrical energy D) It converts electric energy into light energy
 
Answer & Explanation Answer: D) It converts electric energy into light energy

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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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Exam Prep: Bank Exams , CAT

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Q:

Marble comes under which category of rocks?

A) Sedimentary B) Igneous
C) Metamorphic D) None of these
 
Answer & Explanation Answer: C) Metamorphic

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Q:

Science dealing with study of soil is called

A) Pedology B) Pedagogy
C) Ecology D) Pomology
 
Answer & Explanation Answer: A) Pedology

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

You occasionally stop to admire the intellectual (1)/ scenery, or you sometimes retrace your steps (2)/ to make sure you had seen everything. (3)/ No error (4)

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

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Filed Under: English
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

Ravi Shankar's performance was given (A)/ a standing ovation by the (B)/ people who has come to hear him. (C)/ No Error (D)

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: C) C

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