Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Input: Passage: Plastids are membrane-bound organelles with their own DNA. Examples are chloroplasts and chromoplasts. Chloroplasts contain the green pigment chlorophyll and carry out photosynthesis. Chromoplasts make and store other pigments. They give flower petals their bright colors. Answer: plastids
Output:
Chloroplasts and chromoplasts are examples of which membrane bound organelle containing their own dna?