Gametes are generally ...... .

Choose the correct option with respect to the following structures:

Structure	Cellular structure	Flagella	Wall
$(a)$ Zoospore	Unicellular	Present	Absent
$(b)$ Conidia	Unicellular	Absent	Present
$(c)$ Gamete	Unicellular	Can be present	Can be present

The probability of fruit set in a self-pollinated bisexual flower of a plant is far greater than in a dioecious plant. Explain.

How many times will meiosis take place for the formation of $80$ wheat grains?

How many of the following statements are true about angiosperms?
$A$. The generative cell floats in the cytoplasm of the vegetative cell.
$B$. The stalk of the ovule is called the funiculus.
$C$. Pollen grains are shed at the two-celled stage.
$D$. The embryo sac is diploid.
$E$. The megaspore mother cell towards the chalazal end becomes functional.

Which of the following statements is incorrect?