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प्रश्न
Plant parts show two types of movements, one dependent on growth and other independent of growth Give one example which depends on growth
उत्तर
Phototropism depends on growth. It is the growth of plant stem in response to sunlight.
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संबंधित प्रश्न
What does a Mimosa pudica plant do in response to touch? What is this phenomenon known as?
What is a tendril?
A plant's response to light is called ______.
How does phototropism occur in a plant stem (or shoot)? Explain with the help of labelled diagrams.
What is meant by positive phototropism and negative phototropism? Give one example of each type.
The growth movement of a plant part in response to the touch of an object is called :
(a) thigmonasty
(b) hydrotropism
(c) thigmotropism
(d) geotropism
P, Q, R and S are four major types of phytohormones. P is a phytohormone which functions mainly as a growth inhibitor. It promotes the wilting and falling of leaves. Q, R and S are phytohormones which all promote growth of plants in various ways. Q is responsible for the phenomenon of phototropism in plants. R is involved mainly in shoot extensions. The phytohormone S helps in breaking the dormancy of seeds and buds. What are P, Q, R and S? Give one reason each for your choice.
The venus flytrap plants are examples of ______.
Analogy:
Towards a stimulus: ______:: Away from the stimulus: Negative tropism.
Which parts of a plant exhibit Positive hydrotropism?
