Biology · Plant Physiology
Which of the following statements regarding transport in plants are correct? 1. Bulk flow in phloem depends on the viscosity of phloem sap. 2. Xylem vessels can undergo cavitation and embolism under water stress. 3. Refilling of embolized xylem vessels requires active metabolic activity. 4. Simple diffusion alone is sufficient to sustain long-distance transport in tall trees. Choose the correct option:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11, 3, and 4 only
- 21, 2, and 3 only✓
- 32 and 4 only
- 41 and 2 only
Correct answer
1, 2, and 3 only
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