Which of these cells is not present in phloem?
Correct answer: C. Vessels
- A. Companion cells
- B. Sieve tube members
- C. Vessels
- D. Parenchyma
Explanation
Phloem components are sieve tubes, companion cells, phloem fibres, and phloem parenchyma cells.The main components of the xylem are the xylem tracheid, vessels, and xylem parenchyma.
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About Forms and Functions of Plants
Plant nutrition and transport cover mineral uptake, photosynthesis, xylem movement of water and minerals, and phloem translocation of sugars. Plant growth regulators include auxins, gibberellins, cytokinins, abscisic acid and ethene, whose effects on cell division, elongation, dormancy, fruit ripening and tropic responses should not be confused with mineral nutrition.
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