Questions

Q:

Who created the first mechanical computer, which proved to be the prototype for future computers?

A) Archimedes B) John Harrison
C) Cai Lun D) Charles Babbage
 
Answer & Explanation Answer: D) Charles Babbage

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Filed Under: Inventions
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Q:

Kaleidoscope was invented by ________.

A) John Barber B) Tim Berners­Lee
C) Alan Blumlein D) David Brewster
 
Answer & Explanation Answer: D) David Brewster

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Filed Under: Inventions
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Q:

Which is the fastest land animal in the world?

A) Dog B) Cheetah
C) Tiger D) Horse
 
Answer & Explanation Answer: B) Cheetah

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Filed Under: Animals and Birds
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Q:

Which of the following statement is CORRECT?

A) Gold and Silver are not ductile. B) Phophorus and Nitrogen are ductile.
C) Copper and Platinum are ductile. D) Sulphur and Phophorus are sonorous
 
Answer & Explanation Answer: C) Copper and Platinum are ductile.

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Filed Under: Chemistry
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Q:

Haematite is an ore/mineral of

A) Zinc B) Iron
C) Lead D) Manganese
 
Answer & Explanation Answer: B) Iron

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Filed Under: Chemistry
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Q:

Absolute Zero is defined as

A) The temperature at which all molecular motion ceases B) At which water boils at 298K
C) At which liquid Helium boils D) At which the volume becomes zero
 
Answer & Explanation Answer: A) The temperature at which all molecular motion ceases

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Filed Under: Chemistry
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Q:

Which of the following does not hold true for Animal belonging to Phylum Chordate?

A) Notochord present B) Pharynx perforated by gill slits.
C) Heart is dorsal (if present) D) A post-anal part (tail) is present
 
Answer & Explanation Answer: C) Heart is dorsal (if present)

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Filed Under: Biology
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Q:

The maximum fixation of solar energy is done by

A) Bacteria B) Protozoa
C) Fungi D) Green plants
 
Answer & Explanation Answer: D) Green plants

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Filed Under: Chemistry
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