NEET 2016 Biology question
A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
Answer: (2)
Solution
plants (e.g. maize, sugarcane) have Kranz anatomy and a CO-concentrating mechanism (PEP carboxylase in mesophyll, Calvin cycle in bundle sheath cells). Because of this they lack/avoid photorespiration, show high photosynthetic rates at high temperature and light, have higher water-use efficiency
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