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Florist sprinkled a plant hormone to prevent wilting of leaves. Name the hormone he must have used. Give two more examples of plant hormones and also write their functions.

Question

Florist sprinkled a plant hormone to prevent wilting of leaves. Name the hormone he must have used. Give two more examples of plant hormones and also write their functions.

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Solution

The hormone that the florist must have used to prevent wilting of leaves is Abscisic Acid (ABA). This hormone plays a crucial role in preventing leaf wilting by closing the stomata during times of water stress, thus reducing the rate of transpiration and water loss.

Two more examples of plant hormones and their functions are:

  1. Auxins: These are generally found in the shoot and root tips and promote cell elongation. They regulate the rate of plant growth and also play a role in phototropism (growth of a plant in response to light direction) and geotropism (growth of a plant in response to gravity).

  2. Gibberellins: These hormones promote stem elongation, germination, and flowering. They are also responsible for breaking dormancy in seeds and buds, and stimulating fruit development.

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