Question

(a) Label the parts marked 1, 2, 3 in a prokaryotic cell.
(b) Mention any three features of prokaryotic cells

CBSE Class IX Science SA 2 (3 Marks)

Answer 1

(a) 1— Cell wall                        2 — Nucleoid                                3 — Plasma membrane

(b) (i) Lack nuclear membrane

(ii) Lack cytoplasmic organelles

(iii)           Chlorophyll is associated with membranous' vesicles.

Answer 2

Answer:

A

1)CELL WALL

2)NUCLEIOD

3)PLASMA MEMBRANE

B

1)IT LACKS CYTOPLASMIC ORGANELLES.

2)IT LACKS NUCLEAR MEMBRANE.

3)CHLOROPHYLL IS ASSOCIATED WITH MEMBRANOUS VESICLES.