HORTICULTURE

Detailed explanation-1: -The CAM pathway Like C4 plants, the use PEP carboxylase to fix CO2, forming oxaloacetate. The oxaloacetate is converted to malate which is stored in cell vacuoles. During the day when the stomata are closed, CO2 is removed from the stored malate and enters the Calvin cycle.

Detailed explanation-2: -1. They show an increased rate of photosynthesis at higher carbon dioxide concentrations. 2. They can respond to high carbon dioxide conditions even in low light conditions.

Detailed explanation-3: -Updated On: 27-06-2022 Among the given options, option (d) is incorrect about C4-plants. The mesophyll cells of C4-plants do not possess RuBisCO enzyme.

Detailed explanation-4: -C4 Plants Definition A C4 plant fixes CO2 into a molecule containing four carbon atoms before initiating the Calvin-Benson cycle of photosynthesis. The C4 pathway is also known as the Hatch–Slack pathway. It is one of three photosynthetic pathways of carbon fixation in plants that have been discovered.