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Question
Define the following term:
Phytohormones
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Solution
Plant hormones are known as phytohormones. These are organic molecules that serve as mediators, similar to animal hormones, to facilitate the coordination of a variety of cellular activities within a plant.
RELATED QUESTIONS
What is the general name of chemical substances which bring about control and coordination in plants?
Name the following:
Hormone that stimulates growth by cell division.
Answer the following question.
What are plant hormones? Name the plant hormones responsible for the following:
- Growth of stem
- Promotion of cell division
- Inhibition of growth
- Elongation of cells
Multiple choice question.
Abscisic acid controls ______.
Name the tissue that transports hormones within the plant body?
Match the column A with B
| A | B | |
| i. | Epinasty of flower | GA3 |
| ii. | Natural auxin | NAA |
| iii. | Flowering in Litchi | IAA |
| iv. | Bolting of Beet | Ethylene |
Write the name of Hormone that can overcome the requirement of vernalization.
Cause of degreening is ______.
IAA stands for ______.
Name various plant hormones. Also give their physiological effects on plant growth and development.
