When the anthers mature before the stigma of the same flower it is said to be ______.
Unisexuality
Heterostyly
Self sterility
Protandry
Insects are encouraged to visit flowers by ________.
A food such as nectar
A pleasant odour
Pheromones
None
An example of protogyny is _______.
Primrose
Banyan
Sunflower
Palm
Bright coloured petals with pollen grains large and modified are seen in _______ pollination.
Orinthophily
Entomophily
None of these
________ is a water pollinated.
Vallisneria
Maize
Cannabis
An example of uni sexuality adaptation is _______.
Marigold
Papaya
The flowers of _______ have a lower mechanism.
Petunia
Salvia
None of thse
In Entomophily type of pollination _____ are the chief pollinators.
Bees
Wind
Water
Air
In order for pollination to occur the pollen must be placed on the carpel of he flowers.
True
False
Both A& B
__________ is a ornitophily pollinated.
Orchids
Rose
Bottle brush