Question

Give reason of the following-:

Answer 1

1. Since meristematic cells have to divide very quickly, they have a prominent nucleus and lack vacuole.
2. Schlerchaymatous cells have a cementing material called as pectin around their cell wall which fills up the intercellular spaces between them. That is why they lack intercellular spaces.
3. Since branches are made up of collenchyma cells, it makes them flexible and elastic an for this reason they move freely in high winds and bend easily.
4. The husk of coconut is made up if schlerenchyma fibres which makes it difficult to pull the husk out of coconut.
5. The water plants have aerenchyma cells which exist in forms of rings and have a hole in centre which makes them less dense and allows the leaves to float.

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