CAPE Biology Unit 2 · 2015 · Paper 1 · Question Q16
The active uptake of many ions occurs at the roots of green plants. If the respiratory enzymes of the roots of a plant are poisoned, at which of the following tissues of the roots would the movement of ions be totally stopped?
- (A)Xylem
- (B)Epidermis
- (C)Endodermis
- (D)Cortex parenchyma
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