Q. 244.6( 8 Votes )
Name the five types of tropisms. How are tropic movements helpful to plants? Explain with an example.
The five types of tropisms are:
The different types of tropic movements help the plant to grow and survive. Roots grow in soil towards gravity show the geotropism.
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Following are the two examples of plant movement.
(i) Which stimulus is common for movement in both the cases?
(ii) Does the movement take place towards the point where the stimulus is received? Mention separately for both plants.
(iii) Give one reason for the movement is each case.All In One Science
A plant in the laboratory is given an increased dose of a hormone, which promotes the development of seedless fruits. Identify the hormone and write its other two functions.All In One Science
How is geotropism necessary for the plant?All In One Science
How does phototropism occur in a plant stem (or shoot)? Explain with the help of labelled diagrams.Lakhmir Singh & Manjit Kaur- Biology