Across
- 2. What term describes a plant cell that is full of water and firm?
- 3. What specialised cells open and close the stomata? (5,5)
- 7. What process moves water into plant roots from the soil?
- 8. What layer on the surface of a leaf helps reduce water loss? (4,7)
- 10. What mineral ion do plants need to make proteins for growth?
- 11. What type of plant cell has extensions to increase surface area for water absorption? (4,4,4)
- 12. What factor increases transpiration by removing water vapour from around the leaf surface?
- 13. What is the process of water loss from the leaves of a plant?
- 14. What piece of equipment is used to measure the rate of transpiration?
- 16. What plant tissue transports sugars and other dissolved substances?
Down
- 1. What happens to a plant when it loses too much water and cannot replace it quickly enough?
- 2. What is the movement of sugars in the phloem called?
- 4. What substance strengthens the walls of xylem vessels?
- 5. What small openings on the underside of leaves control gas exchange and water loss?
- 6. What process allows mineral ions to move into root hair cells against a concentration gradient? (6,8)
- 9. What plant tissue transports water and minerals from the roots to the leaves?
- 15. What tissue in leaves contains cells that carry out photosynthesis?
