Give reasons for :
Q. Give reasons for :
(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
(b) Intercellular spaces are absent in sclerenchymatous tissues.
(c) We get a crunchy and granular feeling, when we chew pear fruit.
(d) Branches of a tree move and bend freely in high wind velocity.
(e) It is difficult to pull out the husk of a coconut tree.
Ans.
(a) No need of storage.
(b) Because they are lignified.
(c) Presence of stone cells (sclerenchyma).
(d) Presence of collenchyma.
(e) Sclerenchyma.
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