Q:

The theory behind stars twinkling is that

A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time	B) The intensity of light emitted by them changes with time
C) The light from the star is scattered by the dust particles and air molecules in the earth's atmosphere	D) The distance of the stars from the earth changes with time

Answer & Explanation Answer: A) The refractive index of the different layers of earth's atmosphere changes continuously, consequently the position of the star's image changes with time

Explanation:

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Filed Under: Physics
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Q:

If a body is whirled in a circle, then the work done on it ___.

A) is zero	B) is positive
C) cannot be determined	D) is negative

Answer & Explanation Answer: A) is zero

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Filed Under: Physics
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Q:

What is organic matter in soil is also called

A) residue	B) humus
C) occlusion	D) compact

Answer & Explanation Answer: B) humus

Explanation:

In soil, organic matter consists of plant and animal material that is in the process of decomposing. When it has fully decomposed it is called humus. Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction,...

This humus is important for soil structure because it holds individual mineral particles together in clusters.

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Filed Under: General Science
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Q:

What of the following refers to hypotheses which are confirmed by varied tests?

A) Assumption	B) Theory
C) Answer	D) Opinion

Answer & Explanation Answer: B) Theory

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Filed Under: General Science
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Q:

Statement I :The passing of the Coercive Acts made reconciliation between Britain and her American colonies virtually impossible.

Statement II :The British Parliament, having issued the Stamp Act in 1765, repealed it later.

A) Both the statements are individually true and Statement II is the correct explanation of Statement I	B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
C) Statement I is true but Statement II is false	D) Statement I is false but Statement II is true

Answer & Explanation Answer: B) Both the statements are individually true but Statement II is not the correct explanation of Statement I

Explanation:

The Coercive Acts included a series of laws passed by the British Parliament in 1774, including Boston Port Act, the Massachusetts Government Act, the Administration of Justice Act, and the Quartering Act of 1774, which were meant to punish American colonies for throwing a large tea shipment into Boston Harbour, so,the passing of the Coercive Acts made reconciliation between Britain and her American colonies virtually impossible. The Stamp Act of 1765 was passed by Parliament of Great Britain to impose a direct tax on the colonies of British America. It was later repealed on March 18, 1766 after protest.

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Filed Under: General Awareness
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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with someLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives

A) 2 –8	B) 4 – 12
C) 8 – 24	D) 10 – 30

Answer & Explanation Answer: A) 2 –8

Explanation:

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Filed Under: Verbal Reasoning - Logical Deduction

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Q:

World Environment Day is observed on

A) February 28	B) May 16
C) June 05	D) September 12

Answer & Explanation Answer: C) June 05

Explanation:

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Filed Under: Important Days and Years
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Senseless talk or writing

A) Astute	B) Balderdash
C) Sagacious	D) Prudent

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