Sexual Reproduction In Plants A01

Question 1

Which parts of the flower make up the carpel?

Answer 1

Stigma, style and ovary

Question 2

Which parts of the flower make up the stamen?

Answer 2

The anther and filament

Question 3

Whereabouts in the flower are the male gametes/ pollen made?

Answer 3

Anther

Question 4

Whereabouts in the flower are the female gametes made?

Answer 4

Ovules

Question 5

What structures do insect pollinated plants have that wind pollinated do not?

Answer 5

Brightly coloured petals with a pleasant strong smell

Question 6

List 3 features of insect pollinated plants

Answer 6

Enclosed stigma, stigma is sticky, petals are brightly coloured

Question 7

Describe the development of the pollen grain.

Answer 7

developed from microsporocytes through meiosis

Question 8

How are meiosis and mitosis involved in gamete production in the anther?

Answer 8

The microsporangia undergo meiosis to produce microspores

Question 9

What is the function of the exine?

Answer 9

protects the pollen grain from environmental damage and dehydration, yet also allows and facilitates pollen–stigma interactions, pollen hydration, and release of the pollen tube to effect fertilization.

Question 10

Describe how a mature embryo sac develops

Question 11

How are meiosis and mitosis involved in the production of the embryo sac in the ovule?