Pollination and Fertilisation

Report 1 / 5

Which of the following animals are pollinators?

Difficulty Level: Medium

Report 2 / 5

The diagram shows the formation of a pollen tube.

What are P and Q?

Difficulty Level: Hard

Report 3 / 5

What is the importance of pollen tube during pollination?

(A)		To fertilise the polar nuclei

(B)		To fertilise the egg cell

(C)		To form a pollen tube

(D)		To carry male nuclei along the style

Difficulty Level: Hard

Report 4 / 5

Which of the following structures disintegrate after double fertilisation?

Difficulty Level: Medium

Report 5 / 5

Which of the following statements are true about double fertilisation in a plant?

I.		One generative nucleus fuses with the nucleus of an egg cell

II.		Two polar nuclei fuse with one generative nucleus to form endosperm

III.		It helps flowering plants to survive

IV.		Two haploid nuclei formed in the ovule fuse with two male gamete nuclei

Difficulty Level: Hard