Cork cambium and vascular cambium are:
Correct answer: C. Lateral meristem
- A. Parts of secondary xylem and phloem
- B. Parts of pericycle
- C. Lateral meristem
- D. Apical meristem
Explanation
Lateral meristems are cylinders of dividing cells. They are present in dicots and gymnosperms. Vascular and cork cambium are examples of the lateral meristem. They play an important role in the increase in diameter of stem and root and secondary growth are determinate i.e. they grow to a certain size and then stop e.g. leaves, lowers, and fruits; while others are indeterminate i.e. they- grow by meristems that continually replenish themselves, remaining youthful e.g. vegetative root and stem.
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About Growth and Development
Embryonic development covers fertilization, cleavage, formation of the blastula and gastrula, germ layers, organ formation and differentiation. Regeneration describes the replacement of lost tissues or body parts, whereas ageing involves gradual cellular and physiological changes linked to reduced repair, altered metabolism and declining organ function.
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