Q:

Quartz composed of which two elements

A) Iron and magnesium	B) Iron and oxygen
C) Oxygen and silicon	D) Silicon and iron

Answer & Explanation Answer: C) Oxygen and silicon

Explanation:

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Filed Under: World Geography

1 5388

Q:

Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted.

A) rough white	B) rough black
C) shining white	D) shining black

Answer & Explanation Answer: B) rough black

Explanation:

Black surfaces are good emitters of heat. If the black surface is rough too, the emitting will be better. Shinning surfaces reflect black radiation . So if the black surface is also shining the effectiveness of emitting heat is lessened.

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Filed Under: Physics

0 5387

Q:

Hitendra Desai was known outstanding in which field ?

A) Literature	B) Politics
C) Journalism	D) Social Service

Answer & Explanation Answer: B) Politics

Explanation:

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Filed Under: Famous Personalities

4 5384

Q:

The substances that are composed of to or more different elements in fixed proportion by mass are called

A) mixture	B) compound
C) element	D) None of these

Answer & Explanation Answer: B) compound

Explanation:

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Filed Under: Chemistry

5 5383

Q:

The schwann cell forms a myelin sheath around the

A) nodes of Ranvier	B) dendrites
C) nucleus	D) axon

Answer & Explanation Answer: D) axon

Explanation:

Schwann cells or neurolemmocytes are the cells in the peripheral nervous system that form the myelin sheath around a neuron's axon.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

1 5382

Q:

Distance of stars are measured in

A) Galactic unit	B) seller mile
C) Cosmic Kilometre	D) Light year

Answer & Explanation Answer: D) Light year

Explanation:

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Filed Under: Physics

9 5382

Q:

Which among the following is a Vitamin?

A) Citric acid	B) Follic acid
C) Glutonic acid	D) none

Answer & Explanation Answer: B) Follic acid

Explanation:

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Filed Under: Biology

9 5381

Q:

The element that has the highest first ionization potential is.......

A) Oxygen	B) Carbon
C) Boron	D) Nitrogen

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