The type of fossil pollen grains present in the area may be helpful in the exploration of
Coal
Petroleum
Fossil pteriodophytes
All the above
It’s obvious.
In water hyacinth and water lily, pollination takes place by
Filiform apparatus is characteristic feature of
The role of double fertilization in angiosperms is to produce
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
Nucellar embryo is
