Questions

Q:

The reactivity of an atom arises from

A) the existence of unpaired electrons in the valence shell B) the potential energy of the valence shell
C) the average distance of the outermost electron shell from the nucleus D) the sum of the potential energies of all the electron shells
 
Answer & Explanation Answer: A) the existence of unpaired electrons in the valence shell

Explanation:

The reactivity of an atom arises from the existence of unpaired electrons in the valence shell.

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Q:

Which food item is a rich source of protein?

A) Yogurt B) Milk
C) Cheese D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Dairy products like milk, cheese and yogurt are rich source of protein as well as calcium also. 

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Q:

Gamma rays are emanations that have

A) charge but no mass B) neither mass nor charge
C) both mass and charge D) mass but no charge
 
Answer & Explanation Answer: B) neither mass nor charge

Explanation:

A gamma ray or gamma radiation, is a penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy.

Gamma rays are emanations that have neither mass nor charge.

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Q:

Which file format can be added to a powerpoint show?

A) .Gif B) .Wav
C) .Jpg D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Q:

Which is the first Sanskrit film produced in India

Answer

Adi Sankara

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Subject: Indian Culture

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Q:

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentencein Indirect/Direct Speech

She says, “I am playing tennis.

A) She says that she was playing tennis B) She was playing tennis.
C) She said she was playing tennis D) She says that she is playing tennis.
 
Answer & Explanation Answer: D) She says that she is playing tennis.

Explanation:
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Q:

Chemically marble is known as

A) Calcareous rock B) Siliceous Rock
C) Argillaceous Rock D) Metamorphic Rock
 
Answer & Explanation Answer: A) Calcareous rock

Explanation:

Chemically marble is known as Calcareous rock as it is composed of carbonate minerals like calcite or dolomite.

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Q:

A cappella refers to

A) Literature B) Music
C) Arts D) War
 
Answer & Explanation Answer: B) Music

Explanation:
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