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Questions and Answers
What is germination?
Germination is the start of growth of a plant from a seed.
What is the function of the plumule in a seed?
The plumule will go on to become the first plant shoot.
What is the function of the radical in a seed?
The radical will form the first root.
What are cotyledons in a seed?
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What is the purpose of a seed coat?
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Study Notes
Germination and Seed Structure
- Germination: The process by which a seed begins to grow and develop into a seedling, initiated by the uptake of water and characterized by the breaking of dormancy.
Seed Components and Their Functions
- Plumule: The bud-like structure in a seed that develops into the shoot system (stem and leaves) of a seedling.
- Radical: The primary root of a seed that grows downwards and develops into the root system of a seedling.
- Cotyledons: The first leaves that emerge from a seed, responsible for absorbing light and nutrients for the developing seedling; can be either monocotyledonous (one cotyledon) or dicotyledonous (two cotyledons).
- Seed Coat: The outer protective layer of a seed, preventing water loss and mechanical damage, and controlling the exchange of gases and water vapor between the seed and the environment.
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Description
Test your knowledge on plant germination and the structure of a seed. Learn about the different components inside a seed and their roles in the growth of a plant.
