The apical meristem of the root is present:
Correct answer: D. In all the roots
- A. Only in radicals
- B. Only in tap roots
- C. Only in adventitious roots
- D. In all the roots
Explanation
Parts of typical root : root cap, meristematic growing region, zone of elongation, root hair zone, zone of meristematic cells. Apical meristem is terminal in position and responsible for terminal growth of the plant. Apical meristem is present at all root tips and shoot tips.
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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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