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  4. Length of petiole increases due to division of

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Q. Length of petiole increases due to division of

UP CPMTUP CPMT 2007

Solution:

Intercalary meristems occur at leaf bases and above or below the nodes (e.g. grass, mint etc.). They help in elongation of leaves and internodes besides allowing the prostrate stems to become erect. Apical meristems are present at the tips of stems and roots. They take part in initial growth or elongation of roots and stems. Lateral meristems occur on the sides and help in increasing girth of stem and root.