How tendrils help a pea plant climb, and the hormone

The same question, asked 3 times: 2023*, 2024*, 2026. Every wording below, oldest first.

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Question 1
2023
29 (a) $Some plants like pea plants have tendrils which help them to climb up other plants. Explain how is it done. Name the plant hormone responsible for this movement.$
Question 2
2023
30 $Explain the directional movement due to growth in response to touch in a pea plant.$
Question 3
2024
24 (B) $Name a hormone that promotes the growth of tendrils and explain how they help a pea plant to climb up other plants.$
Question 4
2026
7 $The growth of tendrils in grapes plants is due to :$
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Question 1