The increase in thickness of stems and roots due to the activity of lateral meristems is called:
Correct answer: B. Secondary Growth
- A. Primary Growth
- B. Secondary Growth
- C. Tertiary Growth
- D. Both A and B
Explanation
Secondary growth = thickening by vascular & cork cambium.
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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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