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section of mrexham.com1. How do plants store glucose? (1)

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2. What is the green pigment called that is found in leaves and used for photosynthesis? (1)

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3. What is the chemical symbol equation for photosynthesis? (4)

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4. Which layer of cells in the leaf contains the most chloroplasts? (1)

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5. What are the cells called which form the stomata? (1)

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6. By what process does gaseous exchange happen in the leaf? (1)

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7. Which layer of cells in the leaf has the most air spaces between its cells? (1)

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8. What is the name of the thin layer that covers the leaf and reduces water loss? (1)

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9. What two substances are transported in the xylem? (2)

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10. What is the name of the indictor solution that you can use to measure carbon dioxide levels? (1)

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11. Name three factors that affect the rate of photosynthesis? (3)

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12. What do you call a component of photosynthesis that is in short supply? (1)

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13. What is the mineral magnesium used for in plants? (1)

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14. What are nitrates used for in plants? (1)

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15. What are symptoms of a plant that has a deficiency in magnesium? (1)

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16. What is the method of growing plants without soil called? (1)

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17. Define osmosis? (3)

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18. What word describes the appearance of plant cell placed in dilute solution? (1)

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19. What word describes a plant cell which has lost so much water that it’s membrane has come away from its cell wall? (1)

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20. By what process is water absorbed in the roots? (1)

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21. What type of cell increases the surface area for absorption of water in the root? (1)

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22. What term is used to describe the loss of water vapour from the leaf of a plant? (1)

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23. Give two benefits of losing water by this process? (2)

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24. Name one specialised feature of the cells which make up the xylem vessels? (1)

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25. Draw the position of the xylem and phloem in the cross section of a stem (2)

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26. What do you call the areas where xylem and phloem are grouped together? (1)

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27. What piece of apparatus do you use to measure the rate of water loss from the plant? (1)

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28. Why does a higher light intensity increase the rate of water loss from the plant? (1)

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29. By what process are mineral ions taken into plant roots? (1)

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30. What word is used to describe a growth response to directional stimuli in a plant? (1)

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31. What is it called when a plant grows towards light? (1)

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32. What hormone is responsible for this response? (1)

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33. What is it called when a plant grows towards gravity? (1)

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34. Name one method of asexual reproduction in plants? (1)

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35. What type of cell division is required for asexual reproduction? (1)

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36. What is the female gamete in plants? (1)

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37. What is the male gamete in plants? (1)

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38. Name two ways pollination can be carried out? (2)

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39. Where is the male gamete produced in the plant? (1)

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40. Which part of the flower must the male gamete attach to for pollination? (1)

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41. How does the male gamete deliver it’s nucleus down to the ovary? (1)

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42. After fertilisation, which part of the plant develops into a seed? (1)

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43. After fertilisation which part of the plant develops into a fruit? (1)

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44. Name three methods of seed dispersal? (3)

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45. Name the three parts of a plant embryo? (3)

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46. Name three conditions needed for germination to occur? (3)

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END OF TEST

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