The carbon dioxide content in the air that we exhale is about...? Mcqs

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The carbon dioxide content in the air that we exhale is about...?

(A) 4%
(B) 9%

(C) 15%
(D) 16%

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Latest MCQs

Carbon dioxide enters into plants through ______...?

(A) Roots
(B) Leaves

(C) Petals
(D) Stomata

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The products of the reaction between carbon dioxide and water are ______...?

(A) Glucose (C6H12O6) and Nitrogen (N2)
(B) Glucose (C6H12O6) and Oxygen (O2)

(C) Starch (C6H10O5) and Water (H2O)
(D) Cellulose (C6H10O5) and Carbon Monoxide (CO)

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Carbon dioxide dissolution in water, actually represents solute and solvent combination of _____...?

(A) Liquid-liquid solution
(B) Solid-liquid solution

(C) Gas-liquid solution
(D) Solid-solid solution

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The Carbon Dioxide in the atmosphere, by volume, is_______...?

(A) 0.039%
(B) 3.9%

(C) 13%
(D) 30%

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