Q:

Which one of the following is not a semiconductor?

A) Silicon	B) Germanium
C) Quartz	D) Gallium arsenide

Answer & Explanation Answer: C) Quartz

Explanation:

Semiconductors are the basic materials used in the present solid state electronic devices like diode, transistor, ICs, etc. 2. Lattice structure and the atomic structure of constituent elements decide whether a particular material will be insulator, metal or semiconductor. Semiconductors are elemental (Si, Ge) as well as compound (GaAs, CdS, etc.). Silicon, Germanium, Gallium Arsenide are semiconductors, but Quartz is an insulator.

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Filed Under: Chemistry
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Q:

What is the base of the Octal Numeral System?

A) 8	B) 16
C) 32	D) 64

Answer & Explanation Answer: A) 8

Explanation:

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Filed Under: Chemistry
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Q:

A solution that is at equilibrium must be

A) saturated	B) concentrated
C) unsaturated	D) dilute

Answer & Explanation Answer: A) saturated

Explanation:

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Q:

Which lobe of human brain is associated with hearing?

A) Frontal lobe	B) Parietal lobe
C) Temporal lobe	D) Occipital lobe

Answer & Explanation Answer: C) Temporal lobe

Explanation:

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Filed Under: Biology
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Q:

Through photosynthesis at least a half of the total carbon dioxide fixation on earth is carried out by?

A) Pteridophytes	B) Bryophytes
C) Algae	D) Gymnosperms

Answer & Explanation Answer: C) Algae

Explanation:

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Q:

When did the U.S join WW-1?

A) 1917	B) 1927
C) 1971	D) 1933

Answer & Explanation Answer: A) 1917

Explanation:

In revolt against defence, U.S joined World War-1 on April 6, 1917.

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Filed Under: World History
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Q:

Select the word with the correct spelling.

A) essoteric	B) manerly
C) sawsages	D) dissolve

Answer & Explanation Answer: D) dissolve

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 is the best substitute of the words/sentence.

Gratify an immoral or distasteful desire

A) Depress	B) Frustrate
C) Offend	D) Pander

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