Which gas is evolved during photosynthesis in plants?

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RRB ASSISTANT LOCO PILOT (Allahabad) 2010 click here to view all questions

Which gas is evolved during photosynthesis in plants?

ACarbon dioxide

BOxygen

CNitrogen

DHidrogen

rahul ? Jan 11 '2020 at 18:53

Correct answer is: Oxygen

Explanation:

The chemical equation for photosynthesis is:

\(6CO_2{(g)}+6H_2O{(l)}\overset{\text{sunlight}}{\xrightarrow{\text{chlorophyll}}}C_6H_{12}O_6{(aq)}+6CO_2{(g)}\)

So from here, we see that carbon dioxide and water are used, in the presence of light and chlorophyll, so that eliminates options B) and C).

A) is a correct answer because oxygen gas is present on the reactants side of the equation.

But wait, there's more! Glucose is eventually converted into pyruvic acid, and then adenosine triphosphate (ATP), which is the main energy carrier in all cells, so technically

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Correct answer is: Oxygen Explanation: The chemical equation for photosynthesis is: \(6CO_2{(g)}+6H_2O{(l)}\overset{\text{sunlight}}{\xrightarrow{\text{chlorophyll}}}C_6H_{12}O_6{(aq)}+6CO_2{(g)}\) So from here, we see that carbon dioxide and water are used, in the presence of light and chlorophyll, so that eliminates options B) and C). A) is a correct answer because oxygen gas is present on the reactants side of the equation. But wait, there's more! Glucose is eventually converted into pyruvic acid, and then adenosine triphosphate (ATP), which is the main energy carrier in all cells, so technically rahul ? answered Jan 11 '2020 at 18:53 All Comments

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