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Q:

Electrical burns occur principally because of

A) Radiation pulses of the electricity B) The heat generated by the flow of electrical current through the body
C) The high energy of electrons D) All of the above
 
Answer & Explanation Answer: B) The heat generated by the flow of electrical current through the body

Explanation:

Electrical burns occur principally because of the heat generated by the flow of electrical current through the body.

 

Burns caused by electricity are divided into three types:

electrical burns,

arc burns, and

thermal contact burns.

 

Electrical burns can result when a person touches electrical wiring or equipment that is used or maintained improperly.

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Filed Under: Physics
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Q:

What is e-commerce?

A) Buying and selling international goods B) Buying and selling products and services not found in stores
C) Buying and selling products and services over the internet D) Buying and selling products having to do with computer
 
Answer & Explanation Answer: C) Buying and selling products and services over the internet

Explanation:
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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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Q:

Who is the author of the book ' Family Life '

Answer

Akhil Sharma

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Subject: Books and Authors

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Q:

When is the world's press freedom day celebrated?

A) 3 May 2013 B) 22 May 2013
C) 3 October 2013 D) 22 October 2013
 
Answer & Explanation Answer: A) 3 May 2013

Explanation:

World press day is celebrated on 3 may 2013 accross the world based o the theme Safe to Speak

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Q:

Improve the bracketed part of the sentence

 

Grandfather always (finds faults) with the poor gardener.

 

A) find fault B) find faults
C) is finding faults D) no improvement
 
Answer & Explanation Answer: D) no improvement

Explanation:
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Filed Under: English
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Q:

Transmission of stimuli from one part of body to other part takes place through __________

A) Muscular tissue B) Epithelium tissue
C) Connective tissue D) Nervous tissue
 
Answer & Explanation Answer: D) Nervous tissue

Explanation:
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Filed Under: Biology

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Q:

When is genetic drift a major factor in evolution?

A) When there is male competition B) When there is artificial selection
C) When there is no selective pressure D) When there is disruptiveselection
 
Answer & Explanation Answer: C) When there is no selective pressure

Explanation:

Genetic drift or allelic drift is the change in the relative frequency in which a gene variant (allele) occurs in a population due to random sampling and chance.

 

When is genetic drift a major factor in evolution is

* When there is low gene flow.

* When there is no selective pressure.

* When there is a bottleneck.

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