Questions

Q:

Who is the author of the book The Discovery of India ?

A) Kalhan B) Jawaharlal Nehru
C) Ashapurna Devi D) None
 
Answer & Explanation Answer: B) Jawaharlal Nehru

Explanation:

Jawaharlal Nehru is the author of the book The Discovery of India

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Filed Under: Books and Authors

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Q:

Circuit breaker usually operate under

A) after D. C. component has ceased B) transient state of short-circuit current
C) sub-transient state of short-circuit current D) steady state of short-circuit current
 
Answer & Explanation Answer: B) transient state of short-circuit current

Explanation:
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Filed Under: Physics
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Q:

Rutherford's alpha-scattering experiment related to the size of the

A) nucleus B) atom
C) electron D) neutron
 
Answer & Explanation Answer: A) nucleus

Explanation:
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Filed Under: Chemistry

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Q:

Whose trademark is the operating system unix?

A) Ashton Tate B) Microsoft
C) INTEL D) BELL Laboratories
 
Answer & Explanation Answer: D) BELL Laboratories

Explanation:

BELL Laboratories trademark is the operating system unix.

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Q:

The most valuable cash crop of Brazil is 

A) Tea B) Coffee
C) Cardamom D) Spices
 
Answer & Explanation Answer: B) Coffee

Explanation:

Warm, moist climate (with a temperature of 180 C- 270C and well-distributed rainfall between 125 to 200 cms) and deep, loamy, well-drained soil made of weathered lava are most suitable for the cultivation of coffee. However,  Brazil is a quantity producer and not a quality producer.

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Filed Under: World Geography
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Q:

Bhatnagar Prize is given in the field of

A) Peace B) Music and dance
C) Science and Technology D) Fine arts
 
Answer & Explanation Answer: C) Science and Technology

Explanation:
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Q:

Planets do not twinkle because

A) Far distance B) Total internal reflection
C) Refraction D) Near distance
 
Answer & Explanation Answer: D) Near distance

Explanation:

Stars twinkle because they’re so far away from Earth that when light from the stars passes through the atmosphere, it is bent countless times due to refraction, making it look like as if they were blinking. The sun and other planets doesn’t twinkle because it’s too close to Earth compared to other stars.

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Filed Under: General Science
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Q:

What happens when two atoms form a chemical bond?

A) Two atoms fuse together to form a chemical bond B) The atoms share or transfer electrons
C) A chemical bond forms when two atoms transfer or share protons to achieve a stable nucleus D) Like charges in the atoms cause them to stick together
 
Answer & Explanation Answer: B) The atoms share or transfer electrons

Explanation:

All chemistry is based on sharing electrons. A chemical bond forms when two atoms transfer or share outer electrons to complete their outer shells.

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Filed Under: Chemistry
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