Angiosperm flowers may be monoecious, clestogamous or show self-incompatibility. Describe the characteristic features of each one of them and state which one of these flowers promotes inbreeding and outbreeding respectively.

Which one of the following plant shows unusual flowering phenomenon?

One simple leaf arises at each node and one flower is produced at the tip of each branch of peduncle in the following genera respectively

(a) Draw a labelled schematic diagram of the transverse section of a mature anther of an angiosperm plant. (b) Describe the characteristic features of an insect pollinated flower.

Which one of the following synthetic growth regulators is used to promote synchronized flowering in pineapple

There are some rose flowers in a garden and some bees hovering around. If two bees land on each flower, one flower is left. If one bee lands on each fower, three bees are left. Find the number of flowers and bees in the garden respectively.

What are the important characteristics of angiospermic flowers which are pollinated with bats ? Name atleast one chiropterophilous plant .

Angiosperms bearing unisexual flowers and said to be either monoecius or dioecius explain with the help of one example each.

State one characteristic which shows that the birds are very closely related to dinosaurs.

Jay and Puneet go to the amusement park to play the pin ball game. The figure shows the extent to which each of them pulls the striker. Which one of the following statements is correct?