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Edexcel GCSE Biology Topic 6 Plant structures and their functions overview quiz quiz

12questions. Pick an answer and you'll see why right away.

  1. Photosynthesis is best described as which kind of reaction?

  2. Which three factors are the main limiting factors of photosynthesis?

  3. A lamp is moved from 10 cm to 20 cm from a plant. Using the inverse square law, what happens to the light intensity?

  4. How are mineral ions absorbed by a root hair cell?

  5. Which tissue carries water and mineral ions up the plant?

  6. What does phloem transport, and in which direction?

  7. Which cells open and close the stomata?

  8. Which condition increases the rate of transpiration?

  9. How is a leaf adapted for photosynthesis?

  10. In phototropism, where does auxin gather in a shoot lit from one side?

  11. How does auxin affect the growth of a root responding to gravity?

  12. Which plant hormone is used commercially to ripen fruit?