Question

Study the digram and answer the following questions that follow:
l) lable the 1- 10
ll) Which part forms the seed?
III) What are the types of pollination? Give advantage of cross pollination
lV) Give two characteristics of wind pollination flower. ​

Answer 1

( I ) Label the parts from 1 — 10 :

⑴Anther

⑵ Filament

[1 & 2 together called as Stamen]

⑶ Ovary

⑷ Ovule

⑸ Stigma

⑹ Style

⑺ Pollen tube

[5, 6 & 7 together called as Pistil]

⑻ Filament

⑼ Sepal

⑽ Receptacle

( II ) Which part forms the seed?

Ovules form the seed.

( III ) What are the types of pollination? Give advantage of cross pollination.

The two main types of pollination are :

• Self — pollination
• Cross — pollination

Advantages of cross pollination are :

• Healthier offsprings are produced.
• Genetically diversified plants are grown.
• Cross pollinated plants can adapt to various types of environment easily

( IV ) Give two characteristics of wind pollination flower.

The following are the characteristics of wind pollination flower :

• Pollen grains are light to help them fly easily.
• They have long anthers that protruding out of the flower.