Emasculation is not required when flowers are?</h2></div>

Wind pollinated flowers are</h2></div>

In ___, female gametophytes stop their growth at 8 nucleate stages.

Label 1.

All cells in the megaspore are functional.

Removal of anthers of some flowers during plant breeding is</h2></div>

What is exine covered by?

Pollen grains are produced by  </h2></div>