Pith and cortex do not differentiate in:
Correct answer: A. Monocot stem
- A. Monocot stem
- B. Dicot stem
- C. Monocot root
- D. Dicot root.
Explanation
The ground tissues in the dicot stem are well differentiated into the cortex, endodermis, pericycle, and pith but are undifferentiated in the monocot stem. The dicot stem has a pith with thin-walled parenchymatous cells but the monocot stem lacks it. Primary dicot root has no or reduced pith, whereas a large pith, sometimes sclerenchymatous, is present in the monocot root.
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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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