Bright coloured petals with pollen grains large and modified are seen in _______ pollination.
Orinthophily
Entomophily
Unisexuality
None of these
Pollens of the same flower fail to germinate on the stigma of the same flower. An example of ________.
Dichogamy
Uni sexuality
Self sterility
The flowers of _______ have a lower mechanism.
Petunia
Salvia
Sunflower
None of thse
An example of Herkogamy is _______.
Palm
Primrose
Pansy
_______ is possible when the flower is bisexual.
Autogamy
Geitonogamy
Heterostyly
_________ have two different styles.
Uni sexcuality
In angiosperms male and female reproductive structures usually develop.
In separate plants
On the same flower
At the some time so self fertilisation is ensured
Agents of Cross pollination is by ______ and biotic factors.
Air
Wind
Both A & B
Insects are encouraged to visit flowers by ________.
A food such as nectar
A pleasant odour
Pheromones
None
An example of Dichogamy pollination is _______.
Banyan
