Read the following statements and identify the correct options given

I. Angiosperms range in size from microscopic Wolffia to tall trees of Eucalyptus.

II. In angiosperms, the seeds are enclosed by fruits.

III. Double fertilisation is an event unique to angiosperms.

IV. In angiosperms, each cell of an embryo sac is diploid.

V. In angiosperms, the zygote develops into an endosperm.