Which of the following is a ornitophily pollinated flower?
Orchids
Sunflower
Rose
Bottle brush
Which of the following is possible when the flower is bisexual?
Autogamy
Geitonogamy
Heterostyly
None of these
Which of the following is a water pollinated flower.
Vallisneria
Lotus
Water Hyacinth
Pistia
Insects are encouraged to visit flowers by
A food such as nectar
A pleasant odour
Pheromones
None
Which among the following flowers are small with long stamens and hang outside the flower?
Hydrophily
Entomophily
Anemophily
When the anthers mature before the stigma of the same flower it is said to be
Unisexuality
Self sterility
Protandry
The flowers of _______ have a lever mechanism.
Petunia
Salvia
None of thse
Which of the following is also called cross pollination?
Allogamy
Geitogamy
Dichogamy
An example of Dichogamy pollination is
Primrose
Palm
Banyan
Musa
Which of the following have two different styles?
Uni sexcuality
