In angiosperms, functional megaspore develops into
embryo sac
ovule
endosperm
pollen sac
The diagram below is a longitudinal section of an ovule of an angiospermWith which of the following structures do the contents of one pollen tube fuse with
Dichogamy which helps in cross pollination is a floral mechanism in which
The type of fossil pollen grains present in the area may be helpful in the exploration of
In which of the following types of embryo sac the megaspore nuclei do not fuse to form a triploid nucleus at chalazal end
What is coconut water?