Which of the following is the most toxic gas...? Mcqs

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Which of the following is the most toxic gas...?

(A) Carbon dioxide
(B) Carbon monoxide

(C) Nitrogen
(D) Hydrogen

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Latest MCQs

Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere...?

(A) Carbon dioxide
(B) Chlorofluorocarbons

(C) Nitrogen oxides
(D) Methane

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Wavelength symbol “λ” is termed as ____...?

(A) Delta
(B) Gamma

(C) Omega
(D) Lambda

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A Vegetable containing sulphur is____________...?

(A) Potato
(B) Cabbage

(C) Brinjal
(D) Pumpkin

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When light strikes an opaque object, the light is blocked, thus a ________ is formed on the opposite side of the object....?

(A) Reflection
(B) Refraction

(C) Image
(D) Shadow

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The number of spark plugs needed in a diesel engine is__________...?

(A) 2
(B) 3

(C) 0
(D) 4

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Which Part of an egg contains Protein...?

(A) White
(B) Yellow

(C) Shell
(D) None of these

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The outermost layer of the sun is called...?

(A) Fotofera
(B) Corona

(C) Core
(D) Cromosfera

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_______ is called folic acid....?

(A) Vitamin B1
(B) Vitamin B6

(C) Vitamin B9
(D) Vitamin B12

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The principal constituent of the atmosphere of the Earth is...?

(A) Oxygen
(B) Carbon

(C) Hydrogen
(D) Nitrogen

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