List the advantages of having a cell wall as the outermost boundary in cells.

Complete the crossword puzzle given below.

Across:

3. storage structures of a cell.

5. regulates the entry and exit of materials in and out of the cell.

7. impart colour to flowers and fruits.

8. provides shape and rigidity to a plant cell.

10. The powerhouse of the cell.

Down:

1. help Paramoecium in locomotion.

2. a structure that helps in protein synthesis.

4. help plant cells in converting solar energy into a usable form.

6. control centre of the cell.

9. responsible for transferring traits from one generation to the next.