Pollination Mechanisms

Describe the self-pollination process.

Which of these are one of the agents of pollination ?

• Fire

• Air

• Water

• Heat

What is honey bee covered with all over its body when it helps in pollination ?

• Fur

• Dust

• Pollen Grains

• Food particles

Which of them is an example which helps in water pollination.

• Oxilas

• Commelina

• Vallesneria

Which of them is a characteristic of wind pollinated flowers

• These flowers are large with coloured petals, to attract insects.

• Male and female flowers are borne on separate plants.

• Pollen grains are produced in large number

• They are usually small and are of dull colours.

Give 3 examples of aquatic plants as mentioned in the textbook

Which of them are agents of cross pollination.

• Wind

• Water

• Animals

• All of them

Cross Pollination is the process that occurs between 2 flowers on same plant of the same species.

• True

• False

Wind-pollinated flowers have ___________ protruding out of the flower so that pollen grains may get blown off easily.

Wind-pollinated flowers are__________

• Small and dull coloured

• Large and bright coloured