Flower is intersexual in
Date palm
Cucurbita
Papaya
Hibiscus
Grass family (Poaceae) contains
The process in which haploid embryo is formed from haploid egg without fertilization is called
The diagram below shows a fertilised ovule and carpelWhich 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
Vivipary automatically limits the number of offsprings in a litter. How ?
The megaspore mother cell divides meiotically forming haploid embryo sac and the plants thus formed are usually sterile in