The apical cell of the $2$-celled pro-embryo in angiosperms undergoes . . . . . . division to form $8$-celled octant pro-embryo.

In a seed of maize,scutellum is considered as a cotyledon because it

The diagram below shows a fertilised ovule and carpel. Which numbers represent the structures which will become:
$(i)$ The future embryo
$(ii)$ The future testa
$(iii)$ The future micropyle of the seeds
$(i), (ii), (iii)$ respectively?

Which of the following parts of the embryo contains radicle and plumule?

In angiosperms,the embryo is developed at . . . . . . of the embryo sac.

The wheat grain has an embryo with one large,shield-shaped cotyledon known as