Biology
With regard to germination in bean seed, answer the following questions:
- State the function of the 'micropyle'.
- Name the part of the seed that grows into the seedling.
- Name the part of the seed that provides nutrition for the growing seedling.
- Draw a neat labelled diagram of a mature bean seed.
Seeds
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Answer
- The 'micropyle' serves two important functions:
- Allows absorption of water and makes it available to the embryo for germination.
- Enables diffusion of respiratory gases for the growing embryo
- The embryo of the seed grows into the seedling.
- The cotyledons of the seed provide nutrition for the growing seedling or the embryo.
- Below is the diagram of a mature bean seed:
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Draw a neat and labelled diagram of :
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(b) A seedling growing in soil.
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(b) Label the guidelines 1 to 4.
(c) Write an important role of part 2.
(d) Mention the food component found in part 4.
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