Define: Double fertilisation

Assertion : In angiosperms, endosperm development precedes embryo development. Reason : Double fertilisation ensures that the nutritive tissue is formed before the zygotes starts cleaving so that the energy spent on the formation of endosperm does not get wasted.

Describe double fertilisation and its significance.

The total number of nuclei involved in double fertilisation in angiosperms are

Which one of the following events takes place after double fertilisation ?

Define the following : Double fertilization

Assertion . Female gametophyte in angiosperm is eight nucleate . Reason. Double fertilisation occurs in angiosperm .

Differentiate the following: Fertilisation and double fertilisation

What is the significance of double fertilisation?

Name the scientist who discovered double fertilisation.

Process of double fertilisation is advantageous to angiospermic plants. How?