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How do auxins promote the growth of a te...

How do auxins promote the growth of a tendril around a support?

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Auxin is a plant growth hormone. When the tip of the tendril touches a support. Then the auxins present on its tip moves to the side of tip which is away from the support. So, due to more auxins in its tendrils away from the support grows faster.
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NCERT- CONTROL AND COORDINATION-Exercise
  1. How is the movement of leaves of the sensitive plant different from th...

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  2. Give an example of a plant hormone that promotes growth.

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  3. How do auxins promote the growth of a tendril around a support?

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  4. Design an experiment to demonstrate hydrotropism.

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  5. How does chemical coordination take place in animals?

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  6. Why is the use of iodised salt advisable

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  7. How does our body respond when adrenaline is secreted into the blood?

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  8. Why are some patients of diabetes treated by giving injections of insu...

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  9. Which of the following is a plant hormone?

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  10. The gap between two neurons is called a

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  11. The brain is responsible for

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  12. What is the function of receptors in our body? Think of situations whe...

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  13. Draw the structure of a neuron and explain its function.

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  14. How does phototropism occur in plants?

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  15. Which signals will get disrupted in case of a spinal cord injury?

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  16. How does chemical coordination occur in plants?

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  17. What is the need for a system of control and coordination in an organi...

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  18. How are involuntary actions and reflex actions different from each oth...

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  19. Compare and contrast nervous and hormonal mechanisms for control and c...

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  20. What is the difference between the manner in which movement takes plac...

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