Questions

Q:

Algal bloom results from

A) Global warming B) Salination
C) Eutrophication D) Biomagnification
 
Answer & Explanation Answer: C) Eutrophication

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Filed Under: Biology
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Q:

All the members of a municipality are ______ by the people of municipal area.

A) Elected directly B) Elected indirectly
C) Nominated proportionally D) Nominated indirectly
 
Answer & Explanation Answer: A) Elected directly

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Filed Under: Indian Politics
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Q:

The maintenance functions of living organisms are performed by the _____.

A) chemical processes B) life processes
C) physical processes D) No option is correct
 
Answer & Explanation Answer: B) life processes

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Filed Under: General Science
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Q:

The place on the earth's surface above the focus is called the __________.

A) focus B) incentre
C) epicentre D) circumcentre
 
Answer & Explanation Answer: D) circumcentre

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Filed Under: General Science
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Q:

Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.

A) 1800 B) 36
C) 900 D) 72
 
Answer & Explanation Answer: D) 72

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Filed Under: Physics
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Q:

Due to an acceleration of 4 m/s2 the velocity of a body increases from 10 m/s to 30 m/s in a certain period. Find the displacement (in m) of the body in that period.

A) 200 B) 250
C) 100 D) 125
 
Answer & Explanation Answer: C) 100

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Filed Under: Physics
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Q:

In the equation of motion 2as = v2 - u2, s represents _________________.

A) speed B) displacement  
C) velocity D) acceleration
 
Answer & Explanation Answer: B) displacement  

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Filed Under: Physics
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Q:

Who invented logarithms?

A) Eden Snowden B) Larry Page
C) Thomas Edison D) John Napier
 
Answer & Explanation Answer: D) John Napier

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Filed Under: Inventions
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