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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1 1690

Q:

Most rich coal deposit region is

A) Brahmaputra Valley	B) Damoder Valley
C) Mahanadi Valley	D) Godavari Valley

Answer & Explanation Answer: B) Damoder Valley

Explanation:

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Filed Under: Indian Geography

2 1690

Q:

The Mongols under ___________ invaded Transoxiana in north-east Iran in 1219.

A) Timur Lang	B) Nadir Shah
C) Ahmed Shah Abdali	D) Genghis Khan

Answer & Explanation Answer: D) Genghis Khan

Explanation:

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Filed Under: Indian History
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1 1690

Q:

Who was given the title of "The Ambassador of Hindu – Muslim Unity" for being the architect and mastermind of the historic Lucknow Pact?

A) Sir Sayyad Ahmad Khan	B) Fazl-ul-Haq
C) Syed Mohammad Sharfuddin Quadri	D) Muhammad Ali Jinnah

Answer & Explanation Answer: D) Muhammad Ali Jinnah

Explanation:

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Filed Under: Indian History
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2 1690

Q:

Who Invented LED?

A) Nick Holonyak	B) Elias Howe
C) Chuck Hull	D) Christiaan Huygens

Answer & Explanation Answer: A) Nick Holonyak

Explanation:

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Filed Under: Inventions
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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.

beating around the bush

A) Not accepting the real issue and solving minor problems	B) To avoid getting to the point of an issue
C) To run around in circles and never accomplishing results	D) Avoiding coming face to face with a problem, escaping

Answer & Explanation Answer: B) To avoid getting to the point of an issue

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.

A high degree of skill

A) Proficiency	B) Maladroit
C) Amateur	D) Gawkiness

Answer & Explanation Answer: A) Proficiency

Explanation:

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Filed Under: English
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

I have give (1)/ you my (2)/ ring last week. (3)/ No error (4)

A) 1	B) 2
C) 3	D) 4

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