Which of the following statement is applicable for all flowering plants?
Monosiphonous pollen tube
Non-motile and morphologically dissimilar gametes
Presence of pollinium
Division of generative cell after pollination
The types of flowers which always produce seeds even in the absence of pollinators
In nature, cleistogamous flowers are
Devices for self-pollination are
Which are characters of insect pollinated flowers ?
Identify the set of correct statements:
$A$. The flowers of Vallisneria are colourful and produce nectar.
$B$. The flowers of water lily are not pollinated by water.
$C$. In most of water-pollinated species, the pollen grains are protected from wetting.
$D$. Pollen grains of some hydrophytes are long and ribbon like.
$E$. In some hydrophytes, the pollen grains are carried passively inside water.
Choose the correct answer from the options given below.