Read the given statements and select the correct option.
Statement 1: During photophosphorylation (of photosynthesis), light energy is utilised for the production of proton gradient during ATP synthesis.
Statement 2 : In respiration, energy of oxidation-reduction is utilised for the phosphorylation and thus the process is called oxidative phosphorylation.
A. Both statements 1 and 2 are correct
B. Statement 1 is correct but statement 2 incorrect
C. Statement 1 is incorrect but statement 2 is correct
D. Both statements 1 and 2 are incorrect.
Statement 1: During photophosphorylation (of photosynthesis), light energy is utilised for the production of proton gradient during ATP synthesis.
Statement 2 : In respiration, energy of oxidation-reduction is utilised for the phosphorylation and thus the process is called oxidative phosphorylation.
A. Both statements 1 and 2 are correct
B. Statement 1 is correct but statement 2 incorrect
C. Statement 1 is incorrect but statement 2 is correct
D. Both statements 1 and 2 are incorrect.
Correct Answer – a
Photophosphorylation occurs in the grana and requires the direct sunlight energy to make energy-carrier molecules that are used in the dark reaction. The light energy is trapped by chorophyll to make ATP and NADPH. Oxidative phosphorylation is the synthesis of energy rich ATP molecules with the help of energy liberated during oxidation of reduced co-enxymes `(NADH, FADH_(2))` produced in respiration.