Tropic movements and their stimuli

This type of question, asked 4 times: 2023, 2024, 2025, 2026. All 6 questions below, oldest first.

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Question 1
2023
11 $Select from the following the correct statement about tropic movement in plants :$
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Question 2
2023
22 (B) $Where are auxins synthesized in a plant ? Which organ of the plant shows : (i) Positive phototropism (ii) Negative geotropism (iii) Positive hydrotropism$
Question 3
2023
29 (b) $Name the phenomenon occurring in plants which are under the control of gravity, water and chemicals with one example each that shows the movement involved.$
Question 4
2024
21 (B) $Name one directional growth movement each in response to chemicals and water in plants. Write an example for each of them.$
Question 5
2025
23 $Study the given diagram and write the type of movement exhibited by : (a) Root, and (b) Shoot, mentioning the stimulus in each case.$
Question 6
2026
4 $From the given situations, identify ‘Chemotropic’ and ‘Geotropic’ movements in parts of plants, respectively : (i) Growth of pollen tube towards ovule. (ii) Movement of sunflower towards sunlight. (iii) Movement of root towards Earth/Gravity. (iv) Movement of leaves due to breeze. Choose the correct option :$
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Question 1