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Nature & Animals

Which consequence results when stomata remain persistently closed in C3 rice plants?

A)Photorespiration rates increase severely
B)Enhanced nitrate assimilation occurs
C)Turgor pressure increases excessively
D)Non-photochemical quenching decreases drastically

💡 Explanation

Photorespiration increases because persistent closure of stomata prevents CO2 entry, favoring O2 binding by RuBisCO. Therefore, photorespiration increases greatly, rather than turgor pressure increases or non-photochemical quenching decreases, because the plant primarily is undergoing self-defeating carbon fixation.

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