Question

Which among the following is incorrect about plastids?

(a) These are the organelles present only in plant cell and bear color imparting pigments

(b) Plastids are of three kinds, namely, leucoplasts, chromoplasts and chloroplasts

(c) Chromoplasts contain carotenoid pigments and provide red to orange color to the flowers and fruits

(d) Chloroplast is a single membrane bound organelles with stroma which contains a stack of thyllakoids called grana

I have been asked this question in class test.

The origin of the question is Organelles in Eukaryotic and Prokaryotic Cells in portion Cell : The Unit of Life of Biology – Class 11

Answer 1

The correct choice is (d) Chloroplast is a single membrane bound organelles with stroma which contains a stack of thyllakoids called grana

Explanation: Plastids are the organelles present only in plant cell and bear color imparting pigments. Plastids are of three kinds, namely, leucoplasts, chromoplasts and chloroplasts. Chloroplast is a double membrane bound organelles with stroma which contains a stack of thyllakoids called grana.