Detailed Instructions: Given a scientific passage and an answer, generate a question for the given answer.
Q: Passage: Plants are multicellular eukaryotes. They have organelles called chloroplasts and cell walls made of cellulose. Plants also have specialized reproductive organs. Almost all plants make food by photosynthesis. Life as we know it would not be possible without plants. Answer: photosynthesis
A:
How do most plants create food?