Double fertilization is characteristic of

Which one of the following would not lead to the formation of clones?

Differentiate between the following:
$(i)$ Red algae and brown algae
$(ii)$ Liverworts and moss
$(iii)$ Homosporous and heterosporous pteridophytes
$(iv)$ Syngamy and triple fusion

What is required to initiate the development of endosperm in angiosperms after double fertilization?

In double fertilization,after entering ..... of the synergids,the pollen tube releases ..... male gametes into the cytoplasm of the synergids.

Double fertilization was discovered by