Advertisements
Advertisements
Question
Name the following:
The tropic movement of plant parts in response to chemicals.
Solution
Chemotropism
Explanation:
Chemotropism is the movement of plants brought on by chemical stimulation. Negative chemotropism results from a growth response away from the stimulus; positive chemotropism results from a growth response directed towards the stimulus. One such is the development of pollen tubes towards ovules.
APPEARS IN
RELATED QUESTIONS
Plant parts show two types of movements, one dependent on growth and other independent of growth. Give one example which does not depend on growth
Give one example of a plant part which is positively hydrotropic as well as positively geotropic.
Tendrils wind around a support in response to ______.
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.
Name one plant part which exhibits positive thigmotropism.
To which of the following directional stimulus roots of a plant do not respond?
The movement of a shoot towards light is:
Differentiate between:
Phototropism and chemotropism
Where are auxins synthesized in a plant? Which organ of the plant shows:
- Positive phototropism
- Negative geotropism
- Positive hydrotropism
Name the stimulus which causes the following movement in plant:
Thigmotropism
