Q:

In terms of size, Earth ranks no. ___ in our Solar System.

A) 5	B) 6
C) 7	D) 8

Answer & Explanation Answer: A) 5

Explanation:

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Filed Under: General Science
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Q:

______ of species is a reflection of their evolutionary relationships.

A) Characteristics	B) Adaptation
C) Illustration	D) Classification

Answer & Explanation Answer: D) Classification

Explanation:

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Filed Under: General Science
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Q:

If a Panchayat is dissolved, elections are to be held within -

A) Six months from the date of dissolution	B) Twelve months from the date of dissolution
C) Two months from the dateof dissolution	D) One month from the dateof dissolution

Answer & Explanation Answer: A) Six months from the date of dissolution

Explanation:

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Filed Under: Indian Politics

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Q:

The boiling point of liquids vary as

A) pressure varies	B) temperature varies
C) volume varies	D) density varies

Answer & Explanation Answer: A) pressure varies

Explanation:

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Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic.	B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave.	D) Longitudinal waves can travel in all media-solids, liquids and gases.

Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Filed Under: Physics
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Q:

In the equation of motion $2 as = v^{2} - u^{2}$ , s represents _________________.

A) speed	B) displacement
C) velocity	D) acceleration

Answer & Explanation Answer: B) displacement

Explanation:

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Q:

If the power of a corrective lens is +2.0 D, then it is a

A) convex lens	B) concave lens
C) convex mirror	D) concave mirror

Answer & Explanation Answer: A) convex lens

Explanation:

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Q:

Two versions of the Internet Protocol (IP) are in use

A) IP Version 4 & IP Version 6	B) IP Version 2 & IP Version 3
C) IP Version 4 & IP Version 8	D) IP Version 2 & IP Version 4

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