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प्रश्न
What is meant by 'tropisms' (or tropic movements)? Explain with an example.
उत्तर
The growth movement of plant parts in which the direction of the stimulus determines the direction of the response is known as tropisms.
Example: Phototropism, where the stems of plants grow upwards in response to sunlight
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संबंधित प्रश्न
What happens to the moonflower
- during the daytime, and
- at night?
What is this phenomenon known as?
Name the five types of tropisms.
Name the plant organ which is negatively geotropic.
What is meant by ‘positive geotropism’ and ‘negative geotropism’? Give one example of each type. Draw a labelled diagram to illustrate your answer, indicating the plant part, which shows positive geotropism, and the plant part, which shows negative geotropism.
The stimulus in the process of thigmotropism is ______.
Give the scientific term for the following:
Growth-dependent movement in plants.
Why do stems show positive phototropism?
Give one example of geotropism.
Which parts of a plant exhibit Positive hydrotropism?
Differentiate between:
Positive and negative tropism
