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In some plants, the female gamete develo...

In some plants, the female gamete develops into embryo without fertilization. This pheno menon is known as:

A

Autogamy

B

Parthenocarpy

C

Syngamy

D

Parthenogenesis

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Development of an egg without fertilization is called

(a) Draw a diagrammatic sectional view of a mature anatropous ovule and label the following parts in it : (i) that develops into seed coat. (ii) that develops into an embryo after fertilization. (iii) that develops into an endosperm in an albuminous seed. (iv) through which the pollen tube gains entry into the embryo sac. (v) that attaches the ovule to the placenta.

The phenomenon observed in some plants wherein parts of the sexual apparatus is used for forming embryos without fertilisation is called :

Fertilization is essential for the production of seed, but in some angiosperms seeds develop without fertilization. (a)Give an example of an angiosperm that produces seeds without fertilization. Name the progress. (b)Explain the two way by which seeds develop without fertilization.

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Honey bee produces female individuals without fertilization. Name the process.

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