Double fertilisation is exhibited by
algae
fungi
angiosperms
gymnosperms.
For cryopreservation, plant materials are frozen at
Dichogamy which helps in cross pollination is a floral mechanism in which
identify different ovules of diagrams $A$ to $F$
Cotton plug like tissue present at the mouth of the micropyle responsible for directing the pollen tube is called
Two plants can be conclusively said to belong to the same species if they