Q:

Fish and other aquatic creatures can live inside a deep frozen pond because

A) fish are cold-blooded animals	B) ice is a bad conductor of heat
C) there will always be water just beneath the ice level	D) they can adapt themselves to live in ice

Answer & Explanation Answer: C) there will always be water just beneath the ice level

Explanation:

Water has the maximum density at $4^{o} C$ . So at this temperature, it sinks down to bottom and stays here. If it cools further, it will become less dense and move up. So while the upper layers can cool enough to form ice, the bottom layers remain as water at $4^{o} C$ .

Therefore, (C) is correct.

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Filed Under: Physics
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20 6805

Q:

Which day was declared as the 'Direct Action Day' by the Muslim League ?

A) 3rd September 1946	B) 16th August 1946
C) 16th may 1946	D) 4th December 1946

Answer & Explanation Answer: B) 16th August 1946

Explanation:

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19 6803

Q:

A person who writes decoratively

A) Choreographer	B) Cartographer
C) Calligrapher	D) Collier

Answer & Explanation Answer: C) Calligrapher

Explanation:

A person who writes decoratively is known as Calligrapher.

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3 6802

Q:

A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because

A) the floor and carpet are at different temperatures	B) the stone conveys the heat away from the feet more rapidly than the carpet
C) the carpet is a better conductor of heat than the stone	D) the human body maintains a constant temperature

Answer & Explanation Answer: B) the stone conveys the heat away from the feet more rapidly than the carpet

Explanation:

Both the floor and the carpet have the same temperature as both are exposed to the same atmosphere. But the former conducts away the heat from the feet better than the carpet as the latter is a non-conductor. So the feet losing more heat, the floor appears cooler to the feet.

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6 6801

Q:

That which cannot be conquered -

A) Reticent	B) Insolvent
C) Venial	D) Invincible

Answer & Explanation Answer: D) Invincible

Explanation:

That which cannot be conquered is called as Invincible.

One who speaks less is called as Reticent.

A pardonable offence is called as Venial.

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Filed Under: English
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2 6801

Q:

The blue colour of the clear sky is due to

A) Diffraction of light	B) Dispersion of light
C) Reflection of light	D) Refraction of light

Answer & Explanation Answer: B) Dispersion of light

Explanation:

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Filed Under: General Science

22 6799

Q:

Entomology is the science that studies

A) Insects	B) Behaviour of Human beigns
C) Scientific Names	D) Formation of Rocks

Answer & Explanation Answer: A) Insects

Explanation:

Entomology is the science branch of Zoology that studies Insects.

entomology_is_the_study_of1549696118.jpg image

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18 6795

Q:

...... this is the act of copying or downloading a program from a network and making multiple copies of it

A) Network piracy	B) Plagiarism
C) Software piracy	D) Site-Licency piracy

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