Pollens of the same flower fail to germinate on the stigma of the same flower,is called

Insects are encouraged to visit flowers by 

An example of protogyny is 

In order for pollination to occur the pollen must be placed on the carpel of the flowers.

Which of the following is also called cross pollination? 

Which of the following is a water pollinated flower.

An example of Dichogamy pollination is 

Respiration takes place in the presence of

An example of Herkogamy is _

In Entomophily  type of pollination _____ are the chief pollinators.