Q:

In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.

A) Ecosystem	B) Mountain range
C) Forest	D) Atmosphere

Answer & Explanation Answer: A) Ecosystem

Explanation:

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Filed Under: General Science
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Q:

Horography is an art of

A) constructing dials	B) reading paintings
C) monumental scenes	D) None of the above

Answer & Explanation Answer: A) constructing dials

Explanation:

Horography is an art of constructing watches or dials for measurement of time.

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Q:

Which waves cannot be transmitted through vacuum?

A) Electromagnetic	B) Light
C) Sound	D) Heat

Answer & Explanation Answer: C) Sound

Explanation:

Sound waves cannot be transmitted through vacuum.

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Filed Under: Physics
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Q:

Which of these is an example of a haploid cells?

A) Sperms	B) Neurons
C) Red blood cells	D) All of the above

Answer & Explanation Answer: A) Sperms

Explanation:

In the above options, sperms are the haploid cells. In humans, haploid cells are those have only half the number of usual number of chromosomes. Sperm, gamates and egg cells are the haploid cells examples.

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Filed Under: Biology
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Q:

Which best describes the structure of a DNA molecule?

A) A double helix	B) A strand of nucleic acids
C) A single strand of amino acids	D) A sugar ring

Answer & Explanation Answer: A) A double helix

Explanation:

DNA is not a single stranded and does not have amino acids. Hence options, b & C are eiminated. Dna is a double helix structure containing nucleobase—either cytosine (C), guanine (G), adenine (A), or thymine (T)—as well as a monosaccharide sugar called deoxyribose and a phosphate group.

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Filed Under: Biology
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Q:

Uranus takes _______years to orbit the sun

A) 48	B) 84
C) 50	D) 60

Answer & Explanation Answer: B) 84

Explanation:

Uranus is 2,870 million kilometers away from the sun and the time taken to complete one round at a speed of 6.8 km/sec is as long as 84 years on earth

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Filed Under: World Geography

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Q:

Fohn is a localwind of _____

A) Canada	B) Switzerland
C) Northern Italy	D) West Africa

Answer & Explanation Answer: B) Switzerland

Explanation:

In Europe, Fohn winds are prevalent in Swiss Valleys

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Q:

What is keyword contextual targeting?

Answer

It is when themes of keywords are matched by AdWords to relevant content on various websites that run Google ads.

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