Q:

The Mutation Theory was proposed by _____.

A) Charles Lyell	B) William Smith
C) Hugo De Vries	D) Harrison Schmitt

Answer & Explanation Answer: C) Hugo De Vries

Explanation:

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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero.	B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1.	D) Hydrogen can have more than one oxidation number.

Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select No Error.

As several studies shows over (1)/ the years, the annual data is useful in (2)/ reviewing trends of extreme events. (3)/ No error. (4)

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: A) 1

Explanation:

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Q:

Which of the following is biodegradable?

A) Cattle dung	B) Aluminium cans
C) Plastics	D) D.D.T

Answer & Explanation Answer: A) Cattle dung

Explanation:

Any substance that does not cause pollution and is capable of getting decomposed by any living organism is called as Bio degradable. Human & animal excreta, plant wastes etc... come under bio-degradable.

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Filed Under: General Science
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Q:

The basic concept of Montessori education is

A) Discovery by travelling	B) Dreaming
C) Communicating	D) Self-discovery through experiment

Answer & Explanation Answer: D) Self-discovery through experiment

Explanation:

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Filed Under: General Awareness
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.

She says,"I keep at an arm's length, all those who try to flatter me."

A) She said that she kept at an arms length all those who try to flatter her.	B) She exclaims that she keeps at an arm's length all of them who try to flatter her.
C) She says that she will keep at an arm's length all thos who flatter her.	D) She says that she keeps at an arm's length all those who try to flatter her.

Answer & Explanation Answer: D) She says that she keeps at an arm's length all those who try to flatter her.

Explanation:

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Q:

Which of the following country is NOT a member of the ‘Indian Ocean Rim Association (IORA)?

A) Seychelles	B) Sri Lanka
C) India	D) China

Answer & Explanation Answer: D) China

Explanation:

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Filed Under: World Organisations
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Q:

Preservation of historical articles is done in science of ________________

A) Iconography	B) Numismatic
C) Museology	D) Epigraphy

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