NEET Botany Calvin Cycle Match the Following Question
Match Column-I with Column-II.
Column-I Column-II (a) First product of CO2 fixation in C3 plants (i) Ribulose bisphosphate (RuBP) (b) Enzyme involved in CO2 fixation (ii) 3-phosphoglycerate (3PGA) (c) Number of ATP molecules required for glucose formation (iii) 18 ATP (d) First product of CO2 fixation in C4 plants (iv) Oxaloacetic acid (OAA)
Choose the correct matching:
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iv, b-iii, c-i, d-ii
a-iii, b-iv, c-ii, d-i
Correct Answer
Detailed Explanation
In C3 plants, the first product of CO2 fixation is 3-phosphoglycerate (3PGA), while in C4 plants, it is oxaloacetic acid (OAA). The enzyme involved is RuBisCO, and the process requires 18 ATP molecules to form one glucose, as stated in the NCERT context.
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