Cork cells are made impervious to water and gases by the presence of

Give reasons for:
$(a)$ Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuoles.
$(b)$ 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.

Which is not a function of epidermis?

Write any one characteristic of meristematic tissue.

Which of the following helps in the repair of tissue and fills up the space inside the organ?

Why is parenchyma called a permanent tissue? Name the two special types of parenchyma. Mention their specific roles in plants.