Three Phases of Plant Growth — NEET Biology
📚 Practice ConceptThe period of growth is generally divided into three phases, namely, meristematic, elongation and maturation. Let us understand this by looking at the root tips. The constantly dividing cells, both at the root apex and the shoot apex, represent the meristematic phase of growth. The cells in this region are rich in protoplasm, possess large conspicuous nuclei. Their cell walls are primary in nature, thin and cellulosic with abundant plasmodesmatal connections. The cells proximal (just next, away from the tip) to the
Match the Column I (Phase of Growth) with Column II (Characteristic Cellular Feature) and Column III (Key Cellular Process). Column I A. Meristematic phase B. Elongation phase C. Maturation phase Column II 1. Cells show increased vacuolation 2. Cells possess large conspicuous nuclei 3. Cells attain maximal size, wall thickening Column III i. Attainment of maximal siz ii. Constant cell division iii. Cell enlargement
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