Q:

Which formula represents an amino acid?

A) R-CH3(NH2)-COOH	B) R-CH(NH2)-COOH
C) R-CH2(NH2)-COOH	D) R-CH3(NH2)-COH

Answer & Explanation Answer: B) R-CH(NH2)-COOH

Explanation:

Amino acids are the building blocks of proteins. There are about 21 essential amino acids in the human body like histidine, leucine, lysine... The general formula for amino acid is R-CH(NH2)-COOH.

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Filed Under: Biology
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Q:

Which of the following is a microeconomic statement?

A) The price of personal computers declined last year.	B) Unemployment was 6.8 percent of the labor force last year.
C) The real domestic output increased by 2.5 percent last year.	D) The general price level increased by 4 percent last year.

Answer & Explanation Answer: A) The price of personal computers declined last year.

Explanation:

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Filed Under: Indian Economy
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Q:

In which city were the first Modern Olympics held and when ?

A) Athens 1896	B) Barcelona 1798
C) Munich 1968	D) Olympia 1698

Answer & Explanation Answer: A) Athens 1896

Explanation:

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Filed Under: Sports

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Q:

East African Valleys, streching from East Africa through Red Sea to Syria is an example of

A) river valley	B) rift valley system
C) glaciated valley	D) a canyon

Answer & Explanation Answer: B) rift valley system

Explanation:

A rift valley is formed either due to upheaval of blocks on either sides of a fracture or due to subsidence of block between them.

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Filed Under: World Geography

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Q:

Who deciphered the Brahmi and Kharoshthi scripts?

A) Piyadassi	B) Colin Mackenzie
C) Alexander Cunningham	D) James Prinsep

Answer & Explanation Answer: D) James Prinsep

Explanation:

The inscriptions of Asoka were first deciphered by James Princep in 1837. They are written in Pali language and in some places Prakrit was used. The Brahmi script was employed for writing.In the northwestern India Asokan inscriptions were found in Karoshti script.

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Filed Under: Indian History
Exam Prep: Bank Exams

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Q:

Which formula represents a molecular compound?

A) Ar	B) NaI
C) N2O4	D) All of the above

Answer & Explanation Answer: C) N2O4

Explanation:

Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.

Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.

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Filed Under: Chemistry
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Q:

Which of the following is not a polymer?

A) DNA	B) Glucose
C) Starch	D) Cellulose

Answer & Explanation Answer: B) Glucose

Explanation:

Since A polymer is a large molecule, or macromolecule, composed of many repeated subunits. Glucose is not a polymer.

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Filed Under: General Science
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Q:

If the speed of an object moving along a straight line keeps changing, its motion is said to be _________.

A) Uniform	B) Periodic
C) Circular	D) Non-uniform

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