AQA Biology GCSE Plant Structure and Photosynthesis

2. A type of carbohydrate. Plants can turn the glucose produced in photosynthesis into this.
4. A green pigment which absorbs light energy for photosynthesis
5. When cells loose water from their vacuole and the cytoplasm shrinks from the cell wall
8. means 'skin' or 'outermost layer'. In plants the upper is transparent so that light can pass through it and the lower layer contains the stomata.
9. the amount of wate vapour in the air.
10. A glass building in which plants can be grown to protect them from cold weather.
15. In a measuring instrument, it is the smallest change in a quantity that gives a change in the reading that can be seen.
16. the best condition or level for growth, reproduction, or success.
18. Tiny holes in the bottom of a leaf that control gas exchange by opening and closing and are involved in loss of water from leaves.
20. Living entity, e.g. animals, plants or microorganisms.
21. Groups of xylem and phloem tissue in a plant. (two words)
22. An environmental factor that when it is in short supply it slows down or prevents a reaction or process.

1. A chemical process used by plants to make glucose and oxygen from carbon dioxide and water, using light energy.
3. Contains the green pigment chlorophyll; the site of photosynthesis.
6. Reactions which absorb heat energy from their surroundings
7. The vessels that are narrow, hollow, dead tubes with lignin, responsible for the transport of water and minerals in plants.
11. Reactions which release heat into their surroundings
12. A group of different tissues that work together to carry out a particular function.
13. The tissue in plants that transports the products of photosynthesis, including sugars and amino acids.
14. an amount produced of an agricultural or industrial product.
17. The evaporation of water from the leaves through stomata
19. When plant cell vacuoles are full of water they are swollen.