Lecture 2 : Pollination ; Types and Agents of pollination ; Outbreedings devices and pollen-Pistil interaction

What are the possible types of pollinations in chasmogamous flowers.
Give reasons.

Does self incompatibility impose any restrictions on autogamy? Give
reasons and suggest the method of pollination in such plants.

How is pollination carried out in water plants?

Name the type of pollination in self-incompatible plants.

Continued self pollination lead to inbreeding depression. List three devices,
which flowering plant have developed to discourage self pollination?

Which type of pollination ensures the arrival of genetically different pollen
grains to stigma?

State the characteristics of insect pollinated flowers.

Name one plant each where pollination occurs with the help of (1)
a) Water.
b) Bats

How dose pollination takes place in salivia. List any four adaptations
required for such type of pollination.

Draw a well labeled diagram of longitudinal section of pistil showing pollen
germination?

Mention two strategies evolved lay flowers to prevent self-pollination

What are cleistogamous flowers? Can cross – pollination occurs in
cleistogamous flowers. Give reason?

Give an example of Bat – Pollinated flower.

List any three differences between wind pollinated flower & insect –
pollinated flower.

Mention the scientific term for the type of pollination which ensures Genetic
Recombination.

Name the type of cross pollination in Vallisneria & Bougainvillea.

Mention two strategies evolved to prevent self-pollination in flowers.