Q20 of 53 Page 9

The phenomenon wherein, the ovary develops into a fruit without fertilisation is called:

Parthenocarpy is development of a fruit without prior fertilization. Hence the fruits are seedless. So in this the ovary develops into a fruit without fertilisation.


Apomixis is development of a seeds without prior fertilization. It is observed in few flowering. Apomixis is a form of asexual reproduction that mimics sexual reproduction. Apomixis avoids the processes of meiosis and fertilization, leading to embryo development.


Vegetative propagation is type of asexual reproduction in a plant where new plant is formed with involvement of just one parent. The new plant is genetically identical to the parent.


Sexual reproduction – here new offspring is formed with involvement of two parents.


Therefore, the correct answer is option (a).

More from this chapter

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18

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

 19

In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be:

 1

Name the component cells of the ‘egg apparatus’ in an embryo sac.

 2

Name the part of gynoecium that determines the compatible nature of pollen grain.