Sex Cells and Fertilisation – Check Test

1. Sex cells are called

A pollen

B gametes

C ovules

D zygotes

Questions 2 & 3 refer to the following list of parts of a flower.

A Petal

B Ovary

C Anther

D Stigma

2. Which part produces pollen?

3. Which part produces egg cells?

4. Which line in the table correctly shows the difference

between pollen and ovules in plants?

	Pollen	Ovules
A	larger	less numerous
B	smaller	more numerous
C	less numerous	smaller
D	more numerous	larger

5. Fertilisation occurs when

A pollen lands on the stigma.

B pollen grows a tube.

C one sex cell divides.

D gamete nuclei fuse.

6. A zygote is

A a fertilised egg cell.

B a fused pollen grain.

C the seed in a fruit

D an embryo plant.

7. Five events occurring during reproduction in flowering plants

are listed below.

1. Pollen tube enters ovary.

2. Pollen grain lands on stigma.

3. Pollen grain grows a tube.

4. Male nucleus fuses with female nucleus.

5. Pollen tube enters ovule.

In what order do these events occur?

A 2,3,1,5,4

B 3,2,5,4,1

C 3,1,2,4,5

D 1,2,3,5,4

8. Fertilisation produces variety in the offspring because

A different numbers of gametes combine.

B there are more male gametes than female gametes.

C all the zygotes produced may be different.

D genetically identical gametes combine in different ways.