Which equation shows the balanced reaction of Photosynthesis ? - Mathematics and Science MCQ UPTET Paper 2 (Maths & Science) 2026 | ExamTest.live | ExamTest.live

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Which equation shows the balanced reaction of Photosynthesis ?

A $CO_{2} + H_{2} O \to CH_{2} O + O_{2}$
B $6 CO_{2} + 12 H_{2} O \to C_{6} H_{12} O_{6} + 6 O_{2} + 6 H_{2} O$
C $6 CO_{2} + 6 H_{2} O \to C_{6} H_{12} O_{6} + 6 O_{2}$
D $C_{6} H_{12} O_{6} + 6 O_{2} \to 6 CO_{2} + 6 H_{2} O$

Solution & Step-by-step Explanation

The biochemically complete and fully balanced classical summary equation for oxygenic photosynthesis is: 6 CO_{2} + 12 H_{2} O Light / Chlorophyll C_{6} H_{12} O_{6} + 6 O_{2} + 6 H_{2} O This represents the utilization of 12 water molecules to split and produce elemental oxygen gas alongside hexose sugar and regenerated water.

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Which equation shows the balanced reaction of Photosynthesis ?

A

CO_{2} + H_{2} O \to CH_{2} O + O_{2}

B

6 CO_{2} + 12 H_{2} O \to C_{6} H_{12} O_{6} + 6 O_{2} + 6 H_{2} O

C

6 CO_{2} + 6 H_{2} O \to C_{6} H_{12} O_{6} + 6 O_{2}

D

C_{6} H_{12} O_{6} + 6 O_{2} \to 6 CO_{2} + 6 H_{2} O

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