Q:

The most abundant element in the earth's atmosphere is

A) Argon	B) Nitrogen
C) Oxygen	D) Krypton

Answer & Explanation Answer: B) Nitrogen

Explanation:

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0 1015

Q:

There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as

A) isotones	B) isochores
C) isobars	D) isotopes

Answer & Explanation Answer: C) isobars

Explanation:

Isotopes-These are atoms of the elements having the same atomic number but different mass number., Isobars-These are atoms of same mass number but different atomic number., Isotones-These are atoms of different elements having same number of neutrons.

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Q:

Aaton Van Leewen Hock is famous for the discovery of ___.

A) Microscope	B) Nylon
C) Laser	D) Radio valve

Answer & Explanation Answer: A) Microscope

Explanation:

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Q:

Aurangzeb put his father ___________ under house arrest in Agra Fort.

A) Humayun	B) Shah Jahan
C) Akbar	D) Bahadur Shah

Answer & Explanation Answer: B) Shah Jahan

Explanation:

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Filed Under: Indian History
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Q:

________ was imprisoned for the rest of his life by Aurangzeb.

A) Akbar	B) Shah Jahan
C) Jahangir	D) Babur

Answer & Explanation Answer: B) Shah Jahan

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Q:

On April 10 2016, a huge fire broke out during fireworks display at one of the following temples of Kerala

A) Chhotanikkara temple	B) Puttingal temple
C) Vishnuvira temple	D) Manarasala temple

Answer & Explanation Answer: B) Puttingal temple

Explanation:

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Filed Under: Famous Places

3 1015

Q:

Who created the first mechanical computer, which proved to be the prototype for future computers?

A) Archimedes	B) John Harrison
C) Cai Lun	D) Charles Babbage

Answer & Explanation Answer: D) Charles Babbage

Explanation:

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Filed Under: Computer
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Q:

Red rot is a disease caused to which of the following plant?

A) Paddy	B) Sugarcane
C) Mustard	D) Wheat

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