1. What is the direction of flow of substances in the xylem?
- Up and down
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Other questions in this quiz
2. Carbon dioxide is required for what chemical process in plants?
3. What is sugar stored as?
4. What are the three structures that only plant cells have?
- Chloroplasts, large permanent vacuole, cell wall
- cell membrane, cytoplasm, mitochondria
5. Where does water enter the leaf?
- Mid rib