The effect of gravity on the growth of seedlings: practical

12 questions

1. Which plant hormones control phototropism?
2. Match each part of the plant to the effect auxin has on it.
3. What is a tropism?
4. Look at this image of a shoot. From which direction is the light coming?
5. Gravitropism is a plant's response to ___.
6. Where has auxin gathered in the root pictured?
7. Which of the following are features of biological drawings?
8. What is the plant response to gravity known as?
9. True or false? Shoots use positive gravitropism.
10. Put these steps in the right order for investigating gravitropism.
11. In roots, auxin ___ growth.
12. In the following example, why has the shoot grown upwards and the root grown downwards?

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