General Knowledge Questions

Q:

In a bipolar junction transistor

A) all the three regions (the emitter, the base and the collector) have equal concentrations of impurity B) the emitter has the least concentration of impurity
C) the collector has the least concentration of impurity D) the base has the least concentration of impurity
 
Answer & Explanation Answer: D) the base has the least concentration of impurity

Explanation:

In terms of concentration of impurity (a.k.a impurity doping concentration, often abbreviated to doping concentration), from the highest to the lowest among the three regions of a bipolar junction, emitter, collector, and base are the correct order. The above order is independent of the type of BJT, npn or pnp

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Filed Under: Physics
Exam Prep: Bank Exams

1 2008
Q:

When the diaphragm and external intercostal muscles contract,

A) the volume of the thorax decreases. B) the volume of the lungs decreases.
C) the volume of the thorax increases. D) the lungs shrink.
 
Answer & Explanation Answer: C) the volume of the thorax increases.

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

3 2008
Q:

Who is the author of "India 2020: A Vision for the New Millennium"?

A) APJ Abdul Kalam B) Shashi Tharoor
C) Narendra Modi D) Arun Shourie
 
Answer & Explanation Answer: A) APJ Abdul Kalam

Explanation:
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Filed Under: Books and Authors
Exam Prep: Bank Exams

0 2007
Q:

The transfer of minerals from top soil to subsoil through soil­water is called?

A) Percolation B) Conduction
C) Leaching D) Transpiration
 
Answer & Explanation Answer: C) Leaching

Explanation:
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Filed Under: General Science

2 2007
Q:

In which year a new “Liberalized Industrial Policy” in India was announced for the first time?

A) 1991 B) 1992
C) 1986 D) 1993
 
Answer & Explanation Answer: A) 1991

Explanation:
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Filed Under: Indian History
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 2007
Q:

Groundwater is found underground in the zone of

A) Penetration B) Aeration
C) Saturation D) Both B & C
 
Answer & Explanation Answer: D) Both B & C

Explanation:

Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the "zone of aeration", where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.

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Filed Under: World Geography
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

2 2007
Q:

Pyranees forms the boundary between 

A) Spain and Portugal B) France and Spain
C) Poland and Russia D) Hungary and Rumania
 
Answer & Explanation Answer: B) France and Spain

Explanation:
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Filed Under: World Geography

0 2007
Q:

Improve the bracketed part of the sentence.

Taj Mahal is (a worth seeing monument) in Agra.

A) a monument to see its worth B) a monument worth seeing
C) one of worth seeing monuments D) No improvement
 
Answer & Explanation Answer: B) a monument worth seeing

Explanation:
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Filed Under: English
Exam Prep: TOEFL , GRE , CAT

0 2006