Q:

Oscar Awards are conferred annually by

A) Academy of Motion Pictures, arts and sciences, USA	B) Hollywood Foreign Press Association
C) Government of United States	D) None

Answer & Explanation Answer: A) Academy of Motion Pictures, arts and sciences, USA

Explanation:

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Filed Under: Honours and Awards
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4 4802

Q:

Which action is considered a primary function of State government?

A) supervising elected federal government officials	B) regulating political parties and the media
C) organizing a local military to provide security	D) enforcing laws regarding the public safety

Answer & Explanation Answer: D) enforcing laws regarding the public safety

Explanation:

The primary function of State government is enforcing laws regarding the public safety.

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Filed Under: Indian Politics
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4 4802

Q:

What is refractive index ?

A) it is defined as the ratio of speed of light in the medium to the speed of light in vacuum.	B) it is defined as the product of speed of light in medium and in vacuum.
C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .	D) None of above

Answer & Explanation Answer: C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .

Explanation:

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Filed Under: Physics

4 4801

Q:

The enzyme that is necessary to bring about clotting of blood is

A) peptidase	B) amylase
C) lipase	D) thrombokinase

Answer & Explanation Answer: D) thrombokinase

Explanation:

The clotting of blood is a chain reaction initiated by the enzyme thrombokinase produced by the platelets. This causes prothrombin to be converted into thrombin in the presence of $C a^{+ +}$ ion.

Thrombin combines with fibrinogen to produce fibrin threads which entangles the corpuscles to form the clot.

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Filed Under: Biology
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8 4800

Q:

A person who is always dissatisfied

A) malcontent	B) surrogate
C) heresy	D) felon

Answer & Explanation Answer: A) malcontent

Explanation:

The one word substitute for "a person who is always dissatisfied" is malcontent.

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Filed Under: English
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1 4800

Q:

When were the first general elections of Independent India conducted ?

A) 1948-49	B) 1949-50
C) 1950-51	D) 1951-52

Answer & Explanation Answer: D) 1951-52

Explanation:

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Filed Under: Indian Politics

25 4799

Q:

Why are yeast cells frequently used as hosts for cloning?

A) they are eukaryotic cells	B) they do not have plasmids
C) only yeast cells allow the gene to be cloned	D) they easily form colonies

Answer & Explanation Answer: A) they are eukaryotic cells

Explanation:

If you were to produce a protein in bacterial cloning systems, you would not get the same post transcriptional and post translational modifications because the prokaryotic and eukaryotic systems work differently on the modifications.

Thus human recombinant protein genes are usually cloned in yeast cells. Also since they have a short generation time, they can be easily culture.

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Filed Under: Biology
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4 4798

Q:

Which scientist discovered the radioactive element radium?

A) Isaac Newton	B) Marie Curie
C) Benjamin Franklin	D) None of these

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