Question

7. Define parthenocarpy.
8. Are pollination and
fertilization
necessary in apomixis ?
9. Name the parts of pistil which develop
into fruits and seeds.
10. What is the function of filiform
apparatus ?​

Answer 1

Answer:

7. the development of a fruit without prior fertilization   .   The fruit resembles a normally produced fruit but is seedless. Varieties of the pineapple, banana, cucumber, grape, orange, grapefruit, persimmon, and breadfruit exemplify naturally occurring parthenocarpy.

8. No, apomixis does not require pollination and fertilization. This is because apomixis is a form of asexual reproduction in which the female reproductive apparatus is used. The embryos can develop directly from the nucellus or synergids.

9. A pistil has three parts , i.e., stigma (receives pollen), which grows down through style to ovary. Ovary contains ovules, which contain an egg. The ovary develops into the fruit and ovule develops into a seeds.

10.Filiform system assists in entering a pollen tube into an ovule synergy. The filiform device is a finger-like projection consisting of an enclosed core of microfibrils in a sheath. The filiform apparatus resembles the transfer cells “meaning the movement of metabolites at short distances.

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Answer 2

Answer.9;

After fertilization, ovary of pistil develops into fruit and ovules into seeds.