What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?
a)	16	b)	24	c)	32	d)	8

(c)

Cross Pollination is the transfer of pollen grains from the anther of one flower to the stigma of genetically different flower, it requires various external agents.

Zoophily It is a pollination performed by animals. Sticky pollens or hooked, barbed(hairy) pollens gets attached to fur or body of animals.

Ornithophily pollination brought about by the agency of bird (e.g., long beaked humming bird, crow, parrot, etc) Ornithophilous flowers are large more nectar and edible part, e.g., Bombax, Agave, Callistemon, Erythrina.

Entomophily It is a pollination performed by the insects. Most common type of pollination performed by the insects. Most common type of pollination, such flowers are brightly coloured, aromatic with sticky stigmas and pollen kit, e.g., jasmine, Adhatoda, Magnolia, etc.

Cheriopterophily An allogamous pollination brought about by the agency of bats. The flowers produce strong aroma, much nectar,