<span>Apomictic embryos in </span><i>Citrus</i><span> arise from</spa…

How do the 3 cells of the egg apparatus communicate?

Why are pollens spiny?

Pollination in water hyacinth and water lily is brought about by the agency of</h2></div>

<i>Hibiscus</i> has unisexual flowers.<br> </h2></div>

The asexual process replaced by the sexual method is known as<br> </h2></div>

What is exine covered by?

In __ self incompatibility, genotype of pollen determines the incompatibility.