Question

answers plz bio class 9​

Answer 1

Que 1 :

1. Cell wall

2. Plasma membrane

3. Cytoplasm

4. Nucleus

5 vacuole

6. Mitochondria

7. Dictyosomes ( golgi bodies of plant cell )

( ii ) it is a plant cell

This is because it has a cell wall and a large central vacuole which are features of plant cell.

(iii) function

Cell wall - help withstand very hypotonic condition without cell bursting

Nucleus - contains genetic material and helps in cell division

Vacuole - helps in storage of various molecules

Que 2 :

The structure is the nucleus of the cell.

The nucleus is important because it is the control center of the cell and it also helps in cell division.

This is structure is present in all eukaryotic cell but prokaryotes lack a well defined membrane bound nucleus instead they have nucloide