Q:

In 2004, NASA launched the Messenger Spacecraft to study ___.

A) Saturn	B) Jupiter
C) Pluto	D) Mercury

Answer & Explanation Answer: D) Mercury

Explanation:

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Q:

Who discovered the ABO blood group system?

A) Karl Koller	B) Maurice Hilleman
C) Karl Landsteiner	D) Edward Jenner

Answer & Explanation Answer: C) Karl Landsteiner

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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Q:

RNA is a polymeric molecule. What does RNA stand for?

A) Rado Nuclear Acid	B) Ribo Nucleic Acid
C) Rhino Nuclear Acid	D) Resto Nucleus Acid

Answer & Explanation Answer: B) Ribo Nucleic Acid

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Q:

Which of the following vitamins contain nitrogen?

A) Vitamin A	B) Vitamin B
C) Vitamin C	D) Vitamin D

Answer & Explanation Answer: B) Vitamin B

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Q:

Konkani is the official language of _________.

A) West Bengal	B) Arunachal Pradesh
C) Sikkim	D) Goa

Answer & Explanation Answer: D) Goa

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Filed Under: Indian Geography
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Don’t loiter _____ the corridor.

A) around	B) off
C) of	D) at

Answer & Explanation Answer: A) around

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Q:

Which of the following fuel has maximum calorific value?

A) Petrol	B) Coal
C) Wood	D) Cow dung

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