Give reason: It is hard to pull out the husk of a coconut

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Solution

The husk of a coconut is made of sclerenchymatous tissue. They are lignified and make it difficult to pull.Sclerenchyma gives rigidity and stiffness to the plant and also due to the presence of lignin on the walls of the cells we find it tough to pull the husk out.

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Q. It is difficult to pull out the husk of a coconut tree due to _____________.

Q. Give reasons for the following :

(a) Aquatic plants can float on water.
(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.

Q. Q1. Why Intercellular spaces are absent in sclerenchyma tissue?
Q2. Why it is difficult to pull out the husk of coconut?
Q3. Why do we get crunchy and granular feeling when we eat a pear?

Q. Give reasons for
(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuoles.
(b) Intercellular spaces are absent in sclerencymatous tissue.
(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 coconut.

Question 52
Give reasons for
(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack a 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.

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