repoduction in plants

Question 1

what is the stamen?

Answer 1

male reproduction part

Question 2

what is the carpel?

Answer 2

female repoductive part

Question 3

what does stamen consisit of?

Answer 3

-anther
-filament

Question 4

what does the carpel consist of?

Answer 4

-ovary
-style
-stigma

Question 5

what does the anther contain?

Answer 5

-pollen grains which produce male gametes

Question 6

what is the filament?

Answer 6

-stalk that supports the anther

Question 7

what is the stigma?

Answer 7

-where pollen grains attach to

Question 8

what is the style?

Answer 8

-rod-like section that supports the stigma

Question 9

what does the ovary contain?

Answer 9

-female gametes

Question 10

what is pollination?

Answer 10

-transfer of pollen from an anther to stigma
-so male gametes can fertilise female gametes in sexual reproduction

Question 11

what is cross-pollination?

Answer 11

-type of sexual reproduction
-where pollen is transferred from anther of one plant to stigma of another

Question 12

what do cross-pollinating plants rely on?

Answer 12

-insects
-wind

Question 13

plant adaptations for insect pollination? (4)

Answer 13

-brightly coloured petals to attract
-scented flowers
-sticky pollen grains to stick to insects
-stigma is sticky so any pollen can be picked up

Question 14

plant adaptations for wind pollination? (5)

Answer 14

-small, dull petals
-no strong scents
-many light pollen grain
-long filaments
-large stigma to catch pollen

Question 15

what is fertilisation?

Answer 15

-when 2 nuclei fuse together to make a zygote
-divides by mitosis to form embroyo

Question 16

germination conditions?

Answer 16

-water to activate enzymes to break down food reserves
-oxygen for respiration
-suitable temperature for enzymes to work