In large number of plants, pollination is carried out by insects. List four characters of flowers that helps insect pollination.

Pollination in Lotus is carried out by

How do flowers reward their insect pollinators? Explain.

A large majority of flowering plants are pollinated by

You are supplied with different flowers - paddy, vallisneria and sunflower. (a)Write down the type of pollination among these flowers. (b) Write down any one of the floral characters to suit the pollination.

Flowering plants evolved an array of adaptations to achieve pollination. Point out adaptations found in flowers for insect pollination and wind pollination.

Identify the agent of pollination from the given floral characteristic features Flower are unisexual and pollen grains are produced in large quantities and are smooth, small and dry

In most plants continuous self pollination leads to inbreeding depression while in others certain devices that help to discourage self pollination. Give any four devices.

Read the following statements and find out the incorrect statements. a. In majority of organisms, male gamete is motile and female gamete is non-motile (stationary). b. In algae and fungi, both male and female gametes are non-motile. c. In seed plants, pollen grains are the carrier of male gametes and ovule has the egg. d. In dioecious plants, pollination facilitates transfer of pollen grains to the stigma. e. In monoecious animals, since male and female gametes are formed in different individuals, the or ganism must evolve special mechanism for gamete transfer.