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.

The cell organelle involved in forming complex sugars from simple sugars are

In brief state what happens when

Draw the structure of a plant cell and label the part which: (i) have cisternae-like structures for transport and synthesis. (ii) is a place where most biochemical reactions occur. (iii) packages and delivers the material synthesised in a cell. (iv) acts as a kitchen of the cell.

Also differentiate this cell from an animal cell based on: (i) Outer membranes (ii) Presence of centrioles