Questions

Q:

The quantum theory of light was given by

A) Einstein B) Newton
C) Plank D) Faraday
 
Answer & Explanation Answer: C) Plank

Explanation:
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Q:

What is NOT right about Bangladesh’s flag?

A) It consists of a red circle in the middle B) It has a green background
C) The length to width ratio of the rectangle is 4:3 D) The middle circle has a radius of one fifth of the length
 
Answer & Explanation Answer: C) The length to width ratio of the rectangle is 4:3

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Q:

Which of the following is biodegradable?

A) Cattle dung B) Aluminium cans
C) Plastics D) D.D.T
 
Answer & Explanation Answer: A) Cattle dung

Explanation:

Any substance that does not cause pollution and is capable of getting decomposed by any living organism is called as Bio degradable. Human & animal excreta, plant wastes etc... come under bio-degradable.

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Q:

FERA stands for 

A) Foreign Exchange Regulation Agency B) Foreign Exchange Repulsive Agent
C) Foreign Expert Regulation Act D) Foreign Exchange Regulation Act
 
Answer & Explanation Answer: D) Foreign Exchange Regulation Act

Explanation:

FERA stands for Foreign Exchange Regulation Act.

 

  • It came into existence in 1973.
  • FERA lays emphasis on the regulation of currencies.

 

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Q:

Which of the following gases is used to prevent food material from getting oxidised?

A) Oxygen B) Chlorine
C) Nitrogen D) Hydrogen
 
Answer & Explanation Answer: C) Nitrogen

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Q:

In the Modern Periodic Table, elements are arranged in

A) increasing atomic mass number B) increasing atomic number
C) decreasing atomic mass number D) decreasing atomic number
 
Answer & Explanation Answer: B) increasing atomic number

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Q:

Which of the following gases is liberated when Sodium Hydrogen Carbonate is heated?

A) Carbon Monoxide B) Carbon Dioxide
C) Oxygen D) Hydrogen
 
Answer & Explanation Answer: B) Carbon Dioxide

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Q:

Pick the odd one out from the following:

A) NaOH B) Cu(OH)2
C) NH4OH D) Zn(OH)2
 
Answer & Explanation Answer: A) NaOH

Explanation:
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