Questions

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:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.

Frivolous

A) Captious B) Wise
C) Puerile D) Spiritual
 
Answer & Explanation Answer: C) Puerile

Explanation:
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Filed Under: English
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Q:

The percent profit made when an article is sold for Rs. 78 is twice as much as when it is sold for Rs. 69, the cost price of the article is?

A) Rs. 60 B) Rs. 51
C) Rs. 55.50 D) Rs. 70
 
Answer & Explanation Answer: A) Rs. 60

Explanation:
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Q:

Ancient rock paintings have been found in

A) India and Nepal B) China & India
C) Spain and France D) France and India
 
Answer & Explanation Answer: C) Spain and France

Explanation:

ancient-rock-paintings-have-been-found-in1558419989.jpg image

Ancient rock paintings have been found in Spain and France.

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Q:

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

How did you __________ this rare book?

A) come with B) come to
C) come by D) come at
 
Answer & Explanation Answer: C) come by

Explanation:
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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.

Spin one's wheels

A) Keep bragging about oneself B) Try your luck
C) Expel much effort for little or no gain D) Start a long journey
 
Answer & Explanation Answer: C) Expel much effort for little or no gain

Explanation:
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Q:

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

 

A place for fish or water plants.

 

A) Aviary B) Apiary
C) Herbarium D) Aquarium
 
Answer & Explanation Answer: D) Aquarium

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

She was uneasy because she (never be) on a plane before.

A) had never been B) never been
C) is never been D) no improvement
 
Answer & Explanation Answer: A) had never been

Explanation:
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