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Q:

The world's largest river is the......

A) The Amazon B) The Brahmaputra
C) The Mississippi and Missouri D) The Nile
 
Answer & Explanation Answer: A) The Amazon

Explanation:
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Filed Under: World Geography

Q:

...................is called the "land of a  thousand lakes"

A) Canada B) Finland
C) Switzerland D) Sweden
 
Answer & Explanation Answer: B) Finland

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Filed Under: World Geography

Q:

The first battle of Panipat (1526) was fought between

A) Akbar and Hemu B) Babur and Rana Sanga
C) Ibrahim Lodhi and Babur D) Prithviraj Chauhan and Mohd Gauri
 
Answer & Explanation Answer: C) Ibrahim Lodhi and Babur

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Filed Under: Indian History

Q:

Who governs the INTERNET ?

A) ISOC B) IETF
C) IAB D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Filed Under: Computer

Q:

The pH of pure water is nearly 7.It will increase on the addition of

A) ammonia B) cane sugar
C) common salt D) hydrochloric acid
 
Answer & Explanation Answer: A) ammonia

Explanation:

Ammonia is a base. One adding ammonia to water,the resulting solution will become basic. pH of an alkaline solution is 7. So the pH will increase

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Filed Under: Chemistry

Q:

The freezing point of water at 760mm pressure is

A) 0 K B) 273 K
C) 273 C D) -273 C
 
Answer & Explanation Answer: B) 273 K

Explanation:

K is degree kelvin

Zero K corresponds to -273  K = C + 273

The freezing point of water being 0 C, on the kelvin scale it is 0 C + 273 K

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Filed Under: Chemistry

Q:

The brain is covered by

A) meninges B) skin
C) bone D) all the above
 
Answer & Explanation Answer: D) all the above

Explanation:

The central nervous system ( brain and spinal card ) are invested with the meninges which nourish and protect the system .This again is enclosed inside a bony box which has the skin above it

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Filed Under: Biology

Q:

The artificial kidney is a

A) transplant B) machine
C) another's kidney D) other kidney from same body
 
Answer & Explanation Answer: B) machine

Explanation:

The artificial kidney is the dialysis machine. Blood from the body is fed into the machine which removes nitrogenous wastes like urea and returns the blood back to the body.People with renal failure have to use this machine.

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Filed Under: Biology