Q:

What happens in an oxidation reaction?

A) Protons are lost.	B) Electrons are lost
C) Neutrons are lost.	D) Electrons are gained.

Answer & Explanation Answer: B) Electrons are lost

Explanation:

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Filed Under: Chemistry
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Q:

Which of the following gases is heavier than oxygen?

A) Carbon dioxide	B) Ammonia
C) Methane	D) Helium

Answer & Explanation Answer: A) Carbon dioxide

Explanation:

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Q:

Polynucleotide chain of DNA contains

A) a nitrogenous base, deoxyribose sugar and phosphate group	B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group	D) a nitrogenous base and phosphate group only

Answer & Explanation Answer: A) a nitrogenous base, deoxyribose sugar and phosphate group

Explanation:

The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.

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Filed Under: Biology
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Q:

___________ is the second largest animal phylum.

A) Mollusca	B) Chordata
C) Coelomates	D) Anneldia

Answer & Explanation Answer: A) Mollusca

Explanation:

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Filed Under: Biology
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Q:

In each of the following choose the word most nearly opposite in meaning to the word given in capitals.

“WANE”

A) Widen	B) Poor
C) Swell	D) Tight

Answer & Explanation Answer: A) Widen

Explanation:

WANE means (of a state or feeling) decrease in vigour or extent. And widen means broaden, increase. Both are nearly opposite in meaning.

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Filed Under: English
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Q:

If demand curve for radial car tyres is D = 230000 19P and supply curve is S = 180000 + 6P, find the equilibrium Quantity?

A) 19200 units	B) 291000 units
C) 29100 units	D) 192000 units

Answer & Explanation Answer: D) 192000 units

Explanation:

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Filed Under: Indian Economy
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Study of snakes

A) Philology	B) Phrenology
C) Ophilogy	D) Upology

Answer & Explanation Answer: C) Ophilogy

Explanation:

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Filed Under: English
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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

X marks the spot

A) A very popular place	B) Not to tell others of a fantastic discovery
C) The exact location	D) A secret hideout

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