Question

functions of above?????

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Answer 1

HeYa❤

Answer:

Functions of Plant Hormones

1) Auxin---)

• Auxins promote stem elongation, inhibit growth of lateral buds They are produced in the stem, buds, and root tips.
• Example: Indole Acetic Acid.  
• Auxin is a plant hormone produced in the stem tip that promotes cell elongation.

2) cytokinin--)

• Cytokinins are plant hormones that cause increased cell division by stimulating the process of mitosis.
• They are made naturally by plants but have been synthesized by humans.
• Increased mitosis results in plant growth and the formation of shoots and buds, as well as the development of fruits and seeds.

3) Gibberellin--)

• Gibberellins are growth hormones that stimulate cell elongation and cause plants to grow taller.
• Gibberellins also have a role in other plant processes, such as stem elongation, germination, flowering, and fruit ripening.

4) Abscisic Acid----)

• Abscisic acid owes its names to its role in the abscission of plant leaves.
• In preparation for winter, ABA is produced in terminal buds.
• This slows plant growth and directs leaf primordia to develop scales to protect the dormant buds during the cold season.
• ABA also prevents loss of seed dormancy.

5) Ethylene---)

• Ethylene serves as a hormone in plants.
• It acts at trace levels throughout the life of the plant by stimulating or regulating the ripening of fruit, the opening of flowers, and the abscission (or shedding) of leaves.

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Answer 2

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