Question

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Very Short Answer Questions
1. Name the component cell of the 'egg apparatus' in an embryo sac.

2. Which cells degenerate after fertilisation in an embryo sac?

3. Name the triploid tissue in the seed.

4. What is self-incompatibility?

5. Which technical term is used for the transfer of pollen grains from the anther of one flower to the stigma of another
flower on the same plant?

6. What is the function of germ pore?

7. Banana is a parthenocarpic fruit whereas oranges show polyembryony. How are they different from each other withrespect to seeds?​

Answer 1

Explanation:

hopefully it will help u

Answer 2

Answer:

1. Two Synergids and One Egg cell.

2. Synergids, Antipodals.

3. Endosperm Tissue.

4. It is a genetic mechanism to prevent the self-pollen (from the same flower or other flowers of the same plants) from fertilisation by inhibiting pollen germination or pollen tube growth in the pistil.

5. Geitonogamy.

6. It helps in the germination of pollen tube.

7. Banana fruits are seedless. Such fruits are called parthenocarpic fruits, i.e., produce embryo without fertilisation. The seeds of oranges have many embryos of different sizes and shapes. The oranges seeds develops many embryos due to polyembryony.

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