Q:

Who discovered Electron?

A) Niels Bohr	B) J.J. Thomson
C) Abert Einstein	D) Ernest Rutherford

Answer & Explanation Answer: B) J.J. Thomson

Explanation:

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Filed Under: Inventions

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Q:

A. R. Rahman won Oscars for the movie "Slumdog Millionaire" in the category of _____ .

A) Best Sound Mixing	B) Best Original Score
C) Best Picture	D) Best Foreign Language Film

Answer & Explanation Answer: B) Best Original Score

Explanation:

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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

Which one of the followingis notan allotrope of carbon?

A) Coal	B) Diamond
C) Graphite	D) Graphene

Answer & Explanation Answer: A) Coal

Explanation:

Allotropy is the property of some chemical elements to exist in two or more different forms, or allotropes, when found in nature. There are several allotropes of carbon like diamond, graphite, graphene, fullerene, etc.Coal is not an allotrope of carbon because it is not 100% carbon. It contains lot of silica, sulphur and other compounds of carbon apart from carbon.

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Filed Under: Chemistry
Exam Prep: Bank Exams

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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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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

A) Dielema	B) Dilemma
C) Dielemma	D) Dilemna

Answer & Explanation Answer: B) Dilemma

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

How many days moon takes to revolve around the earth?

A) 26.3	B) 27.3
C) 28.3	D) 29.2

Answer & Explanation Answer: B) 27.3

Explanation:

The Moon takes about 27.3 days to perform one complete orbit around the Earth.

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Filed Under: General Science

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Q:

Polio is a disease caused by which of the following?

A) Bacteria	B) Mosquito
C) Virus	D) Cockroach

Answer & Explanation Answer: C) Virus

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?

A) Mulching	B) Mulching
C) Rock dam	D) Terrace farming

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