Q:

An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:

A) K/2	B) 2K
C) 4K	D) K/4

Answer & Explanation Answer: C) 4K

Explanation:

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Q:

Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?

A) The cloth completely absorbs red colour wavelength	B) It is due to refraction
C) It is the effect of scattering of light	D) It is due to Parallax error

Answer & Explanation Answer: A) The cloth completely absorbs red colour wavelength

Explanation:

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Q:

The Most Favoured Nation (MFN) Clause under WTO regimeis based on the principle of

A) non-discrimination between nations	B) discrimination between nations
C) differential treatment between locals and foreigners	D) uniform tariff across commodities

Answer & Explanation Answer: A) non-discrimination between nations

Explanation:

In Most-favoured-nation countries cannot normally discriminate between their trading partners.

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Q:

The Magdalena River is one of the largest basins of South America. Through which country does it flow?

A) Brazil	B) Columbia
C) chile	D) Argentina

Answer & Explanation Answer: D) Argentina

Explanation:

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Filed Under: World Geography
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Q:

Biofortification is a ________________ .

A) method of breeding crops to increase their nutritional value	B) strategy to combat unwanted nutrients in plants
C) method of developing resistance to insect pests	D) method of plant breeding for disease resistance

Answer & Explanation Answer: A) method of breeding crops to increase their nutritional value

Explanation:

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Filed Under: General Science
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Q:

All of the following are true about ecosystems except

A) they represent the lowest level of biological organization that is known	B) there is a transfer of energy through the system and it is lost
C) the ultimate source of energy is the sun for nearly all known ecosystems	D) they contain both living and nonliving components

Answer & Explanation Answer: A) they represent the lowest level of biological organization that is known

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Q:

Orbital period of Halley's comet is ___ years.

A) 25	B) 50
C) 75	D) 100

Answer & Explanation Answer: C) 75

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Blessing in disguise

A) Good fortune always follows bad; that is the way of fate.	B) An apparent misfortune that eventually has good results.
C) If a curse makes one stronger than it is a blessing.	D) A life of hardship does wonders for a person's character.

Answer & Explanation Answer: B) An apparent misfortune that eventually has good results.

Explanation:

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