12
Question
C4 plants are photosynthetically more efficient than C3 plants because
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Solution
The correct option is A They are able to avoid photorespiration
A) Carbon dioxide in C4 plants is recycled using PEP carboxylase, so it is not wasted.
B) Photorespiration is a wasteful process that is avoided by C4 plants as double fixation of carbon dioxide takes place due the presence of PEP carboxylase in place of RUBISCO.C) Carbon dioxide is recycled in C4 plants and the energy is compensated.
D) The carbon dioxide that is generated during photorespiration is recycled through PEP carboxylase which is the reason why photorespiration is avoided and C4 plants are photosynthetically more efficient than C3 plants.
So the correct answer is 'They are able to avoid photorespiration'.
A) Carbon dioxide in C4 plants is recycled using PEP carboxylase, so it is not wasted.
B) Photorespiration is a wasteful process that is avoided by C4 plants as double fixation of carbon dioxide takes place due the presence of PEP carboxylase in place of RUBISCO.
C) Carbon dioxide is recycled in C4 plants and the energy is compensated.
D) The carbon dioxide that is generated during photorespiration is recycled through PEP carboxylase which is the reason why photorespiration is avoided and C4 plants are photosynthetically more efficient than C3 plants.
So the correct answer is 'They are able to avoid photorespiration'.
D) The carbon dioxide that is generated during photorespiration is recycled through PEP carboxylase which is the reason why photorespiration is avoided and C4 plants are photosynthetically more efficient than C3 plants.
So the correct answer is 'They are able to avoid photorespiration'.
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