Here is a picture of a germinating seed. (a) What is the environmental stimulus required for the seed to develop roots downwards and shoots upwards? Name the respective phenomenon. (b) What environmental factor in the experimental setup shown below can be altered in Figure X to observe the direction of root growth as observed in Figure Y? (c) Name the tropic movement that occurs when pollen tubes grow towards ovules.

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Phototropism in Plants, Geotropism in Plants, Chemotropism in Plants | PadhAiPro

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TextPhototropism in PlantsGeotropism in PlantsChemotropism in Plants

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