Q:

Lightning heats the surrounding air to

A) 300 deg Cent	B) 3000 deg Cent
C) 30000 deg Cent	D) 300000 deg Cent

Answer & Explanation Answer: C) 30000 deg Cent

Explanation:

Lightning is extremely hot — a flash can heat the air around it to temperatures five times hotter than the sun’s surface. This heat causes surrounding air to rapidly expand and vibrate, which creates the pealing thunder we hear a short time after seeing a lightning flash.

Lightning heats the surrounding air to about 30,000 degrees Centigrades.

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5 6513

Q:

The magnetic moment (spin only) of $[N i C l_{4}]^{2 -}$ is

A) 1.41 BM	B) 1.82 BM
C) 5.46 BM	D) 2.82 BM

Answer & Explanation Answer: D) 2.82 BM

Explanation:

Hybridisation of Ni is $e^{-}$

Unpaired $3 d^{8}$ in is 2

So $Ω = \sqrt{n (n + 2)} B M = \sqrt{2 x 4} = \sqrt{8} = 2.82 B M$

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10 6509

Q:

Poison glands of snakes are homologous to

A) sebaceous glands of mammals	B) salivary glands of vertebrates
C) stings of rays	D) electric organs of fishes

Answer & Explanation Answer: B) salivary glands of vertebrates

Explanation:

Here Homologous Means having the same relation or relative position or structure.

Here in snakes poison is in glands and here salivary glands are in Vertebrates.

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13 6500

Q:

Select the antonym of

fuddle

A) upset	B) explicate
C) nonplus	D) rattle

Answer & Explanation Answer: B) explicate

Explanation:

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0 6495

Q:

A person who insists on something - one word substitute

A) Stickler	B) Boaster
C) Disciplinarian	D) Instantaneous

Answer & Explanation Answer: A) Stickler

Explanation:

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6 6492

Q:

Match the following.

A) I – 2, II – 3, III – 1	B) I – 1, II – 3, III – 2
C) I – 2, II – 1, III – 3	D) I – 3, II – 2, III – 1

Answer & Explanation Answer: D) I – 3, II – 2, III – 1

Explanation:

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0 6491

Q:

Correct answer for the given blank out of the four alternatives.

The main failings were of conception and a political willingness to settle _________ easy options. _______________ the expansive declarationsof the need "to maintain effective security of all nuclear materials, _______________ includes nuclear materials used in nuclear weapons”, thesummits narrowed their _______________ to civilian holdings __________________ nonnuclear weapon states.

The main failings were of conception and a political willingness to settle _________ easy options.

A) to	B) of
C) from	D) for

Answer & Explanation Answer: D) for

Explanation:

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0 6489

Q:

What is the capital of Indian Union Territory Lakshadweep ?

A) Port Blair	B) Delhi
C) Pondicherry	D) Kavaratti

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