Gibberellins (GAs) are a class of plant hormones that play crucial roles in regulating plant growth and development. They influence various processes, including stem elongation, seed germination, flowering, and fruit development. GAs achieve their effects by promoting cell division and elongation, breaking seed dormancy, and inducing the expression of specific genes.
Understanding how gibberellins function is vital for agriculture and horticulture, as they can be used to manipulate plant growth to improve crop yield and quality. Ready to put your knowledge to the test?
Match the term with its correct definition:
| Term | Definition |
|---|---|
| 1. Stem Elongation | A. The process by which a seed begins to grow |
| 2. Seed Germination | B. Plant hormones that promote growth and development |
| 3. Gibberellins | C. The production of flowers by a plant |
| 4. Flowering | D. The lengthening of a plant's stem |
| 5. Fruit Development | E. The growth and maturation of a plant's fruit |
Complete the following paragraph with the correct words:
Gibberellins are involved in many processes including __________, seed __________, and fruit __________. They promote cell __________ and __________ which leads to increased plant growth. Gibberellins achieve this by affecting __________ expression.
Explain how gibberellins are used in agriculture to improve crop yield. Provide specific examples.
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