Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYPhotosynthesis in Higher Plants5 Marks
Question
Under what conditions are $C_4$-plants superior to $C_3$ ?
✓
Answer
$\mathrm{C}_4$-plants can produce more sugar than $\mathrm{C}_3$-plants in conditions of bright light and high temperature. It is because of the following reasons:
i. They have a special type of leaf anatomy.
ii. They can tolerate higher temperature.
iii. They show response to high light intensities.
iv. They lack a process called photorespiration.
v. They have greater productivity of biomass.
Many important crop plants are $\mathrm{C}_4$-plants including maize, sorghum, sugarcane and millet.
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