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