Plant reproduction (seed dispersal)

Question 1

What do pollen grains land on?

Answer 1

Stigma

Question 2

What do pollen tubes grow towards?

Answer 2

Ovule

Question 3

What does the pollen tube have to reach?

Answer 3

Ovule

Question 4

What does the pollens grains nucleus do once it reaches the ovule and meets the nucleus of the female gamete egg?

Answer 4

The pollen grains nucleus fuses with the nucleus (egg cell) of the ovule

Question 5

What does this mean? The pollen grains nucleus fuses with the nucleus (egg cell) of the ovule?

Answer 5

Fertilisation has occurred

Question 6

What does the fertilised egg develop into?

Answer 6

Embryo

Question 7

What does the ovule develop into?

Answer 7

Seed

Question 8

What does the ovary develop into?

Answer 8

Fruit

Question 9

What does the fruit provide to the seed?

Answer 9

Protection

Question 10

What does the fruit do to animals?

Answer 10

Encourages animals to eat seeds

Question 11

How do the animals spread seeds around?

Answer 11

Spread seeds around in their faeces

Question 12

True or false? The ovule is a seed

Answer 12

False the ovule develops into a seed

Question 13

True or false? Pollen grains land on the style

Answer 13

False pollen grains land on the stigma

Question 14

True or false? The nucleus of the pollen grain and egg fuse together developing into an embryo

Answer 14

True

Question 15

True or false? The ovary develops into a fruit

Answer 15

True

Question 16

True or false? The hollow tube grows towards the ovary

Answer 16

False a pollen tube grows towards the ovary

Question 17

True or false? Fertilisation for a plant has occurred when the nucleus of the pollen grain and female gamete egg have fused

Answer 17

True

Question 18

What are three types of seed dispersal methods

Answer 18

Animal inside animal outside and wind