Question

Give reason for the following: (a) Meristematic cells possess a prominent nucleus and dense cytoplasm but are devoid of vacuoles. (b) Plants like cacti have thick epidermis. (c) Chewing a pear fruit gives a crunchy and granular sensation. (d) It is challenging to remove the husk from a coconut. (e) Bones are strong and non-flexible.

Water hyacinth float on water surface. Explain.

Give reasons for

Which of the following tissues has dead cells?

Parenchyma cells are