Question

Presence of plastids can be observed in a plant cell and even in an algal cell but not in an animal cell. why ?​

Answer 1

Answer:

Explanation:

Animal cell do not perform photosynthesis to prepare their food , they take it from external environment ,so plastids are not required by animal cells , whereas plants synthesise their own food by using sun light, CO2,H2O, chlorophyll, present in stomata of plastid so the need plastids.

Answer 2

Answer:

Animal cell do not perform photosynthesis to prepare their food , they take it from external environment ,so plastids are not required by animal cells , whereas plants synthesise their own food by using sun light