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Question
A potted plant is kept horizontally for a considerable time. The three positions of the parts A and B of the potted plant are shown in the following figures:
- Which figure shows the correct position taken by the parts A and B of the plant?
- What type of phenomenon is exhibited by the figure chosen in (a) above?
Solution
- Figure 2 shows the correct position taken by the parts A and B of a plant.
- Geotropism is the phenomenon which is exhibited in this figure. The roots of a plant show positive geotropism, whereas stems show negative geotropism.
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RELATED QUESTIONS
What is the stimulus in chemotropism?
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- Gravity
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- Draw a neat and labelled diagram of the longitudinal section of a pistil showing chemotropism in an angiospermic plant.
