Q:

Sound travels fastest in

A) Vacuum	B) Air
C) Glass	D) Water

Answer & Explanation Answer: C) Glass

Explanation:

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

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Q:

The smallest country of the world is

A) Italy	B) Vatican city
C) Brazil	D) Canada

Answer & Explanation Answer: B) Vatican city

Explanation:

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Q:

Iodex, a pain relief balm, has the smell of __________ .

A) Methyl salicylate	B) Ethyl salicylate
C) Propyl salicylate	D) Butyl salicylate

Answer & Explanation Answer: A) Methyl salicylate

Explanation:

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Q:

What happens when two atoms form a chemical bond?

A) Two atoms fuse together to form a chemical bond	B) The atoms share or transfer electrons
C) A chemical bond forms when two atoms transfer or share protons to achieve a stable nucleus	D) Like charges in the atoms cause them to stick together

Answer & Explanation Answer: B) The atoms share or transfer electrons

Explanation:

All chemistry is based on sharing electrons. A chemical bond forms when two atoms transfer or share outer electrons to complete their outer shells.

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Q:

GNLF stands for

A) Gorkha National Liberation Front	B) Gross National Liberation Form
C) Both option A and B	D) None of the above

Answer & Explanation Answer: A) Gorkha National Liberation Front

Explanation:

GNLF stands for Gorkha National Liberation Front.

Gorkha National Liberation Front (GNLF) is a political party in the Darjeeling District of West Bengal, India. It was formed in 1980 by Subhash Ghisingh with the objective of demanding a Gorkhaland state within India.

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Q:

Which of the following is NOT a source of tax revenue collected by the Govt of India?

A) Custom Duty	B) Excise Duty
C) Income Tax	D) Dividends & Profits

Answer & Explanation Answer: D) Dividends & Profits

Explanation:

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Q:

Which of the following is true about blood plasma?

A) The main protein component is hemoglobin.	B) It is a faint yellow fluid.
C) It is the same as serum but without the clotting proteins.	D) It is about 90% water.

Answer & Explanation Answer: D) It is about 90% water.

Explanation:

The first option is incorrect because it is devoid of blood cell, also red blood cells so doesn’t contains haemoglobin.

The second option is incorrect because plasma is colorless.

The third option is also incorrect because plasma contains the clotting factors.

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Q:

Harsha was the last great royal parton of

A) Jainism	B) Buddhism
C) Shaivism	D) Bhagavatism

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