Fertilisation

Question 1

What is fertilisation?

Answer 1

• the joining of two haploid cells (the male and female gametes) to form a diploid zygote

Question 2

When does fertilisation take place in flowering plants?

Answer 2

• after pollination

Question 3

How does fertilisation take place in flowering plants?

Answer 3

• after the pollen grain lands on the stigma it develops a pollen tube which grows along the style and into the ovule
• the pollen tube carries the male gamete
• once the gamete enters the ovule fertilisation can occur

Question 4

What happens after fertilisation?

Answer 4

• the development of the embryo and the seed can begin

Question 5

What do fertilised ovules develop into?

Answer 5

• seeds

Question 6

What do the ovaries of a plant develop into?

Answer 6

• fruit

Question 7

What are the functions of fruits?

Answer 7

• contain and protect the seeds
• help to disperse the seeds from the parent plant