Q:

An electron loses potential energy when it

A) shifts to a more electronegative atom.	B) increases its kinetic energy.
C) shifts to a less electronegative atom.	D) increases its activity as an oxidizing agent.

Answer & Explanation Answer: A) shifts to a more electronegative atom.

Explanation:

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Q:

According to Rutherford the radius of the nucleus is about ______ than the radius of the atom.

A) 105 times greater	B) 105 times lesser
C) 109 times greater	D) 107 times greater

Answer & Explanation Answer: B) 105 times lesser

Explanation:

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Q:

In which of the following, functional group isomerism is not possible?

A) Alcohols	B) Aldehydes
C) Alkyl halides	D) Cyanides

Answer & Explanation Answer: C) Alkyl halides

Explanation:

The haloalkanes (also known as halogenoalkanes or alkyl halides) are a group of chemical compounds derived from alkanes containing one or more halogens.Halogens can’t form more than one bond in the context of common organic compounds and can’t form multiple bonds to carbon.

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Q:

The vast amount of sea weeds present in oceans may produce an endless source of

A) Methane	B) Ocean thermal energy
C) Sea wave energy	D) Nuclear energy

Answer & Explanation Answer: A) Methane

Explanation:

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Q:

Plants of which group are predominantly aquatic?

A) Thallophyta	B) Bryophyta
C) Pteridophyta	D) No option is correct

Answer & Explanation Answer: A) Thallophyta

Explanation:

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Q:

V. G. Jog is famous for which musical instrument?

A) Sitar	B) Violin
C) Tabla	D) Santoor

Answer & Explanation Answer: B) Violin

Explanation:

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Q:

Ozone holes are more pronounced at the

A) Equator	B) Tropic of cancer
C) Tropic of capricorn	D) Poles

Answer & Explanation Answer: D) Poles

Explanation:

Ozone holes are more pronounced at the polar regions of the earth.

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Q:

Which of the following plant group has hidden reproductive organs?

A) Bryophyta	B) Thallophyta
C) Pteridophyta	D) All option are correct

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