Identify the correct sequence of seed germination from the steps given below: (a) After the leaves appear, then the young plants can make their own food. (b) Seed absorbs water through a hole. This softens the seed coat and it ruptures. (c) A soft shoot emerges from the seed and grows upwards. (d) During this stage, the baby plant lives on the food stored in the seed. (e) A small root emerges from the seed which grows downwards.

Identify the correct sequence of seed germination from the steps given below: (a) After the leaves appear, then the young plants can make their own food. (b) Seed absorbs water through a hole. This softens the seed coat and it ruptures. (c) A soft shoot emerges from the seed and grows upwards. (d) During this stage, the baby plant lives on the food stored in the seed. (e) A small root emerges from the seed which grows downwards. Correct Answer (b), (e), (d), (c), (a)

Concept:

Germination:

  • The essential procedure by which diverse plants emerge from a single seed into a plant is known as seed germination.
  • Both crop productivity and quality are affected by this process.
  • The sprouting of a seedling from an angiosperm or gymnosperm seed is a common example of seed germination.

Explanation:

Step of the germination:

  • First step
    • Germination needs the presence of water.
    • Most seeds only require adequate water to moisten them, not to soak them.
    • Imbibition is the process of seeds absorbing water, which causes the seed coat to enlarge and rupture.
  • Second step:
    • It is one of the most essential stages of germination when the seed begins to take water from the ground.
    • The radicle emerges to form a primary root.
    • The activated enzymes are the ones who start the process.
    • The root grows downwards.
  • Third step:
    • ​Most plants retain food storage with their seeds.
    • Such as carbohydrates, proteins, or oils.
    • The growing embryo receives nutrients from this food store.
    • Hydrolytic enzymes are activated when the seed absorbs water.
    • These stored food resources are broken down into metabolically usable molecules.
  • Fourth stage:
    • ​During the stage, by rupturing the seed covering, the plumule produces a sprout.
    • The shoot rises upwards towards the soil's surface.
  • Fifth stage:
    • ​The cotyledons spread out and unfold.
    • It leads to the development of the first leaves.
    • After that, the plant is now ready to begin the photosynthesis process.

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Thus, the sequence of seed germination from the steps given below:

(b) Seed absorbs water through a hole. This softens the seed coat and it ruptures.

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(e) A small root emerges from the seed which grows downwards.
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(d) During this stage, the baby plant lives on the food stored in the seed.
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(c) A soft shoot emerges from the seed and grows upwards.
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(a) After the leaves appear, then the young plants can make their own food.
 

The correct sequence are (b), (e), (d), (c), (a).

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