Which is the most abundant element in the atmosphere...? Mcqs

Latest MCQs

Which is the most abundant element in the atmosphere...?

(A) Nitrogen
(B) Hydrogen

(C) Nickle
(D) Oxygen

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Latest MCQs

In Linnaean classification, the category below the class is...?

(A) Phylum
(B) Order

(C) Family
(D) None of these

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Latest MCQs

Water soluble vitamins are released by__________...?

(A) Sweat
(B) Tears

(C) Injections
(D) Urine

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Latest MCQs

The number shown above the symbol of element is called...?

(A) Mass Number
(B) Valency

(C) Atomic Number
(D) Oxidation State

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Latest MCQs

“Green House Effect” means:____________...?

(A) Pollution
(B) Prevention of ultraviolet rays

(C) Trapping of Solar energy due to atmospheric carbon dioxide
(D) D. None

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Latest MCQs

A light year is a unit of ...?

(A) Time
(B) Energy

(C) distance
(D) Mass

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Latest MCQs

The coldest region of the Earth’s atmosphere is__________...?

(A) Exosphere
(B) Thermosphere

(C) Stratopause
(D) Mesopause

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Latest MCQs

Zero error of the instrument is _______...?

(A) Systematic error
(B) Human error

(C) Random error
(D) Classified error

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Latest MCQs

A substance which produces hydroxyl ion (OH)- in the aqueous solution is called...?

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

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Latest MCQs

Tetanus is caused by____________...?

(A) Clostridium
(B) Virus

(C) Bacteriophage
(D) Salmonella

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