NEET Biology Photosynthesis In Higher Plants Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Photosynthesis In Higher Plants Topic Based

Question & Answer Discuss:

As compared to a $C_{3}$ – plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by $C_{4}$ – plants:

(a) six

(b) two

(c) twelve

(d) zero

Answer: (c)

Equation for $C_{4}$ pathway

6 PEP + 6 RuBP + 6CO 2 + 3 0 ATP + 12 NADPH + 6PE P + 6 Ru BP + $C_{6}H_{12}O_{6} + 30 ADP + 30 H_{3}PO_{4}$ + 12 NADP +

The net reaction of $C_{3}$ dark fixation is 6RuBP + $6CO_{2}$ + 18ATP + 12 NADPH + 6 RuBP + $C_{6}H_{12}O_{6}$ + 18 ADP + 18P + 12NADP+

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