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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Q:

______________ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.

A) B) Glycogen
C) Pectin D) Chitin
 
Answer & Explanation Answer: B) Glycogen

Explanation:
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Q:

Which one of the following is a good electrical conductor?

A) Graphite B) Diamond
C) Peat D) Charcoal
 
Answer & Explanation Answer: A) Graphite

Explanation:
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Q:

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

Cantankerous

A) Humorous B) Quarrelsome
C) Remorseful D) Dullness
 
Answer & Explanation Answer: B) Quarrelsome

Explanation:
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Q:

A protruding part of the throat that is responsible for growing voice box in boys is called

A) Larynx B) Testosterone
C) Pharynx D) Adam's Apple
 
Answer & Explanation Answer: D) Adam's Apple

Explanation:
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Q:

Select the word with the correct spelling.

A) rewolver B) culpable
C) vagetate D) rhythmmic
 
Answer & Explanation Answer: B) culpable

Explanation:
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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.
_____________ around the bush.

A) To hit B) To beat
C) To circle D) To hide
 
Answer & Explanation Answer: B) To beat

Explanation:
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Q:

Select the word with the correct spelling.

A) humbeling B) wardrobe
C) delicat D) gazeles
 
Answer & Explanation Answer: B) wardrobe

Explanation:
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