Question

Plastids are present only in plants . Comment

Answer 1

Yes, plastids are found only in plants as centrosomes is found only in animals. Plastids are of three types-

(a) Leucoplast

(b) Chromoplast

(c) Chloroplast

Chloroplast has the pigment called chlorophyll which makes it green as wells as traps solar energy to produce starch by photosynthesis.

As photosynthesis is done only in plants and chloroplasts are found in the leaves of plants which makes it green.

Thus, you can make two successive points from doing photosynthesis and green pigment found in plant leaves.

Hope that gives you your complete answer. If questions comes to describe it and it carries heavy marks them my points will be very helpful to you.