SEXUAL REPRODUCTION IN PLANTS

Question 1

THE FLOWER CONTAINS BOTH (…)

Answer 1

MALE AND FEMALE GAMETE

Question 2

THE STAMEN IN THE MALE REPRODUCTIVE PART…

Answer 2

THE STAMEN CONSISTES OF THE (ANTHER AND FILAMENT)
1) THE ANTHER CONTAINS POLLEN GRAINS THAT PRODUCE THE MALKE GAMETES (SPERM)
2) THE FILAMENT IS THE STALK THAT SUPPORTS THE ANTHER

Question 3

THE CARPEL IS THE FEMALE REPRODUCTIVE PART…

Answer 3

THE CARPEL CONSISTS OF THE (OVARY, STYLE AND STIGMA)
1) THE STIGMA IS THE END BIT THAT THE POLLEN GRAINS ATTACH TO
2) THE STYLE IS THE ROD-LIKE SECTION THAT SUPPORTS THE STIGMA
3) THE OVARY CONTAINS THE FEMALE GAMETES (EGG) INSIDE THE OVULE

Question 4

POLLINATION IS…

Answer 4

THE TRANSFER OF POLLER FROM AN ANTHER TO A STIGMA SO THAT THE MALE GAMETES CAN FERTILISE THE FEMALE GAMETES IN SEXUAL REPRODUCTION

Question 5

CROSS-POLLINATION IS…

Answer 5

A TYPE OF SEXUAL REPRODUCTION WHERE POLLEN IS TRANSFERRED FROM THE ANTHER OF ONE PLANT TO THE STIGMA OF ANOTHER

Question 6

PLANTS THAT CROSS-POLLINATE RELY ON THINGS LIKE…

Answer 6

INSECTS OR THE WIND TO HELP THEM POLLINATE

Question 7

HOW CAN A PLANT BE ADAPTED FOR INSECT POLLINATION…

Answer 7

1) BRIGHT COLOURED PETALS AND ATTRACT INSECTS
2) HAVE SCENTED FLOWERS AND NECTARIES TO ATTRACT INSECT
3) BIG, STICKY POLLEN GRAINS TO STICK RTO INSECTS
4) THE STIGMA IS STICKY SO THAT ANY POLLEN PICKED BY INSECTS ON OTHER PLANTS WILL STICK TO THE STIGMA

Question 8

HOW ARE PLANTS ADAPTED FOR WIND POLLINATION…

Answer 8

1) SMALL, DULL PETALS
2) NO NECTARIES OR STRONG SCENTS
3) A LOT OF SMALL AND LIGHT POLLEN GRAINS (EASY TO BE TRANSPORTED BY WIND)
4) LONG FILAMENTS THAT HAND THE ANTHERS OUTSIDE THE FLOWER SO THAT POLLEN GETS BLOWN AWAY
5) LARGE AND FEATHERY STIGMA TO CATCH POLLEN AS IT IS CARRIED BY THE WIND