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प्रश्न
The box given below contains twelve words. Out of these, ten can be arranged in five suitable matching pairs. Make these five pairs in the form of a table.
| Auxins, Abscisic acid, Fruit ripening, Cytokinins, Closure of stomata, Parthenocarpy, Ethylene, Gibberellins, Tropism, Stem elongation, Cuscuta, Cell division. |
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उत्तर
Auxins − parthenocarpy
Ethylene − Fruit Ripening
Cytokinins − Cell Division
Abscisic acid − Closure of stomata
Gibberellins − Stem elongation
संबंधित प्रश्न
What is the general name of chemical substances which bring about control and coordination in plants?
Which of the following hormones regulate stomatal colour?
Auxins are abundantly produced in
List five plant growth hormones and briefly describe their roles.
The figure given below shows the stages of ripening in a banana. Answer the question that follow:
Mention two characteristic features of this hormone.
Write the name of Hormone that can overcome the requirement of vernalization.
Coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps.
What is the significance of the above experiment performed by Dr. F. Went?
Name the plant hormones responsible for the following
- elongation of cells
- growth of stem
- promotion of cell division
- falling of senescent leaves.
Name various plant hormones. Also give their physiological effects on plant growth and development.
Name the first hormone that was discovered in plant and its precursor.
