General Knowledge Questions

Q:

The boundary between Earth's crust and mantle is _____.

A) Moho discontinuity B) Lehman discontinuity
C) Conrad discontinuity D) Gutenberg discontinuity
 
Answer & Explanation Answer: A) Moho discontinuity

Explanation:
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Q:

Who among the following has been awarded the 'Rajiv Gandhi Khel Ratna Award' for the year 2016?

A) Jitu Rai B) Sania Mirza
C) Rohit Sharma D) Babita Kumari
 
Answer & Explanation Answer: A) Jitu Rai

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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:

In ..........., Sher Khan ( SherShah )attacked Bengal and defeated Ghiyashuddin Shah.

A) 1358 B) 1583
C) 1538 D) 1540
 
Answer & Explanation Answer: C) 1538

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Filed Under: Indian History
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Q:

The Chola kings were prolific temple builders who built the ........ temple at Tanjavur.

A) Brahmeshvara B) Brihadeesvara
C) Lingaraja D) Dilwara
 
Answer & Explanation Answer: B) Brihadeesvara

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

 

By then running water and electricity (had arrive), making the well and the lamp post redundant.

 

A) had arriving   B) had arrived  
C) arriving   D) no improvement
 
Answer & Explanation Answer: B) had arrived  

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Q:

Propyne and propene can be distinguished by

A) AgNO₃ in ammonia B) conc. H₂SO₄
C) dil. KMnO₄ D) Br₂ in CCl₄
 
Answer & Explanation Answer: A) AgNO₃ in ammonia

Explanation:

Propene, being an alkene, and propyne, being a alkyne, are distinguished using the common chemical tests namely ammoniacal silver nitrate or ammoniacal cuprous chloride. Ammoniacal silver nitrate is also called as Tollen's reagent.

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Filed Under: Chemistry
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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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