An event unique to angiosperms is
Double fertilisation
Sexual reproduction
Pollination
Spore formation
The megaspore mother cell divides meiotically forming haploid embryo sac and the plants thus formed are usually sterile in
Examine the figures $(A-D)$ given below and select the right option out of $(a -d)$, in which all the four structures $A, B, C$ and $D$ are identified correctly.
Branched type of pollen tube is formed in
Pollinia is found in which of the following plant family
When the pollen tube enters through the micropyle, it is termed as