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प्रश्न
What is the stimulus in chemotropism?
उत्तर
The stimulus in chemotropism is Chemicals.
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संबंधित प्रश्न
What is a plant hormone? Name four plant hormones. State one function of each.
Name the plant organ which is positively geotropic
Why is the folding up of the leaves of a sensitive plant on touching with a finger not a tropism?
The growth of a pollen tube towards the ovule caused by a sugary substance as stimulus is an example of :
(a) phototropism
(b) chlorotropism
(c) gravitropism
(d) chemotropism
While conducting experiments to study the effect of various stimuli on the plants, it was observed that the roots of a plant X grow and bend towards two stimuli A and B but bend away from a third stimulus C. The stem of the plant X, however, bends away from stimuli A and B but bends towards the stimulus C. The stimulus B is known to act on the roots due to too much weight of the earth. Keeping these points in mind, answer the following question:
- What could stimulus A be?
- Name the stimulus B.
- What could stimulus C be?
- The branches of a fallen tree in a forest grow straight up in response to two stimuli. What could be these two stimuli out of A, B and C? Also name these two stimuli.
What is chlorophyll?
______ flowers bloom as the temperature increases.
Plants exchange gases ______ continuously through these stomata.
Write the scientific terms used to represent.
Leaves fold up and droop in touch-me-not plant Mimosa pudica
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.
