Questions

Q:

Which of these is true of all simple machines?

A) these make work easier B) work input > work output
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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Q:

1 Mole of CO2 mass is

A) 32 gms B) 44 gms
C) 16 gms D) 12 gms
 
Answer & Explanation Answer: B) 44 gms

Explanation:

We know that,

Mass of Carbon = 12 gms

Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms

=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.

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Q:

The Damin-i-Koh was created by the British Government to settle which one of the following communities?

A) Santals B) Mundas
C) Oraons D) Saoras
 
Answer & Explanation Answer: A) Santals

Explanation:

Damini-i-Koh was the land allocated to the Santhals. The Santhals could live on the land and practise plough agriculture, thus helping them to carry out settled agriculture.

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Q:

One who believes in fate

A) Evitalist B) Fatalist
C) Believer D) Futurist
 
Answer & Explanation Answer: B) Fatalist

Explanation:

One who believes in fate or luck is caled as Fatalist or determinist.

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Q:

Which of the following leads to the production of urea?

A) Synthesis of protein from amino acids B) Oxidation of glucose
C) Degradation of amino acids D) Incomplete oxidation of fatty acids
 
Answer & Explanation Answer: C) Degradation of amino acids

Explanation:

Urea is a by product of amino acid catabolism, Which occurs in the liver. The nitrogen in the  amino acid becomes converted to ammonia and this is further converted by the liver into urea

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Q:

Stress is a factor that contributes to heart disease risk.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, poorly controlled stress and anger can lead to heart attacks and strokes.

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Subject: Biology
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Q:

A computer port is used to

A) Donwload files B) Communicate with other computer peripherals
C) Communicate with hard disks D) All of the above
 
Answer & Explanation Answer: B) Communicate with other computer peripherals

Explanation:
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Q:

Who is known as the father of Modern Chemistry?

A) Robert Boyle B) Antoine Lavoisier
C) John Dalton D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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