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प्रश्न
The response of leaves to the sunlight is called ______.
उत्तर
The response of leaves to the sunlight is called phototropism.
APPEARS IN
संबंधित प्रश्न
What does a root do in response to gravity? What is this phenomenon known as?
Name the plant part which bends in the direction of gravity but away from light.
The plant part which exhibits negative geotropism is :
(a) root
(b) stem
(c) branch
(d) leaves
When the leaves of a Mimosa pudica plant are touched with a finger, they fold up quickly. This is an example of ______.
The root of the plant is ______.
- positively phototropic but negatively geotropic
- positively geotropic but negatively phototropic
- negatively phototropic but positively hydrotropic
- negatively hydrotropic but positively phototropic
Assertion: Plants do have a nervous system for control and coordination.
Reason: Plants use electrochemical means to convey information from cell to cell.
The stimulus in the process of thigmotropism is:
Give an example of negative hydrotropism.
Where are auxins synthesized in a plant? Which organ of the plant shows:
- Positive phototropism
- Negative geotropism
- Positive hydrotropism
The figure given below depicts a kind of tropic movement in plants. Study the same and answer the following questions:
- What kind of a movement is shown in the figure? Define it.
- How does this movement differ from geotropism?
- Name the stimulus responsible for thigmotropism. Give one example of a plant showing thigmotropism.
- Name one stimulus which gives a positive response for the roots but a negative response for the shoot.
- Draw a neat and labelled diagram of the part of a plant showing leaf tendril. Name the plant.
