GCSE Topic 6

4. cells in the shoot do this in response to a plant hormone
6. plant hormone that regulates the response of shoots and roots
8. a directed response to a stimulus in plants
13. waterproof layer that limits water loss in plants
14. these are transported dissolved in water from the roots up the plant (7,4)
15. transport sugar in plants
17. guard cells become this to open pores on the underside of the leaf
18. organelle present in high numbers in cells that are very metabolically active
19. factor that affects the rate at which water is lost from a plant
20. a vessel that is dead at maturity

1. vessel that transports sugar and amino acids
2. cells that actively pump sugar into and out of vessels
3. the process by which water is lost from a plant
5. process by which sugars are transported through the plant
7. hormone that causes fruit to ripen
9. part of the plant that requires sugars or stores them as carbohydrate
10. hormone that stimulates germination
11. pores through which water vapour escapes
12. part of the plant that produces sugars
13. carbohydrate found in plant cell walls
15. storage carbohydrate in plants
16. equipment used to measure the rate at which water is lost from a leafy shoot