Which is the most accurate statement?

The principal role of a flower in the life

cycle of a plant is:

(a) attracting insects

(b) producing seeds

(c) producing pollen

(d) producing nectar

2 Name the parts A-J shown on this drawing

of a half-flower of a Stitchwort.

3 What is (a) the male gamete, and (b) the

female gamete in a flowering plant?

4 Complete the following paragraph selecting words from the list below. Pollination is the transfer of ....... from the ........ to the .......in a flower. In cross-pollination, the ....... from a flower on one .......is transferred to the .......ofanother ....... of the same species.

anthers, ovule, stigma, plant, flower, pollen, ovary, petal, style, receptacle, stamens

5 Complete the following sentences:

In a flowering plant fertilisation occurs when the ........of the ....... fuses with the .......of

the ......... . After fertilisation , the ....... becomes the ....... and the ....... becomes the....... .

6 Which of the following statements is correct? In flowering plants:

(a) pollination can take place without fertilisation

(b) fertilisation can take place without pollination

(c) pollination and fertilisation are the same

(d) pollination and fertilisation must occur at the same time

7 Some species of plant are strongly adapted to pollination by certain insects. Which of the following characteristics would you regard as adaptations to pollination by bees:

(a) white or coloured petals(f) small green petals

(b) light, smooth pollen grains(g) production of nectar

(c) spiky or sticky pollen grains(h) production of pollen

(d) anthers and stigma inside the flower(i) production of scent?

(e) anthers and stigma protruding from the flower