Questions

Q:

___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.

 

A) Heavy water B) Graphite
C) Water D) Calcium
 
Answer & Explanation Answer: D) Calcium

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Q:

The number of neutrons present in a nitrogen atom is ___.

A) 14 B) 7
C) 11 D) 5
 
Answer & Explanation Answer: B) 7

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Q:

Which of the following metals does NOT react with cold or hot water?

A) Aluminium B) Potassium
C) Sodium D) Calcium
 
Answer & Explanation Answer: A) Aluminium

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Q:

Which subatomic particle determines the identity of an element?

A) Electrons B) Protons
C) Neutrons D) All the above
 
Answer & Explanation Answer: B) Protons

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Q:

Which of the following is used to get relief when you have been stung by a honeybee?

A) Common salt B) Baking soda
C) Acetic acid D) Washing soda
 
Answer & Explanation Answer: B) Baking soda

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Q:

Open Market Operations refer to __________

A) Borrowings by Scheduled banks from RBI B) Lending by Commercial banks to industry
C) Purchase and sale of Government securities by RBI D) Deposit mobilisation
 
Answer & Explanation Answer: C) Purchase and sale of Government securities by RBI

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Q:

If at a price, market supply is greater than market demand, we say that there is ________ in the market at that price.

A) Equilibrium B) Excess Demand
C) Excess Supply D) Marginal Revenue
 
Answer & Explanation Answer: C) Excess Supply

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Q:

Macro economics deals with

A) the circular flow of income B) the decision making of a single economic variable like demand
C) resource allocation at firm level D) equilibrium prices and quantities
 
Answer & Explanation Answer: A) the circular flow of income

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