Pollination -> Fertilisation -> Creation of the pollen tube
B
Pollination --> Creation of the pollen tube --> Fertilisation
C
Fertilisation --> Pollination --> Creation of the pollen tube
D
Fertilisation --> Creation of the pollen tube --> Pollination
Slide 15 - Quiz
Which part becomes fruit pulp after fertilisation
A
ovary
B
sepals
C
carpel
D
ovule
Slide 16 - Quiz
Has pollination and / or fertilisation happened here?
A
only pollination but no fertilisation
B
both pollination and fertilisation
C
only fertilisation, no pollination
D
no pollination and no fertilisation
Slide 17 - Quiz
What is fertilisation?
A
The release of the egg cell from the ovaries
B
The dividing of the zygote
C
Implantation of the zygote into the uterus wall
D
The union of an egg cell and sperm cell
Slide 18 - Quiz
An ovary of a certain flower contains six ovules. The egg cells of four of the ovules are fertilised; the egg cells of the other two remain unfertilised. How many seeds will develop in this ovule?
A
6
B
4
C
2
D
0
Slide 19 - Quiz
A tulip grower wants to cultivate a new variety of tulip from two existing tulip varieties.
Will he use cross-pollination or self-pollination?
A
Cross-pollination
B
Self-pollination
Slide 20 - Quiz
Someone eats a handful of 18 peanut snacks. Each one contains a peanut. A peanut shell (the pod or fruit) usually has 2 peanuts.
How many ovules, ovaries and pollen grains were needed for this handful of peanuts?
Ovules
Ovaries
Pollen grains
18
9
18
Slide 21 - Drag question
Avocado come from ovaries with...
A
a single ovule
B
multiple ovules
Slide 22 - Quiz
Apple come from ovaries with...
A
a single ovule
B
multiple ovules
Slide 23 - Quiz
What is the name of the part of the flower that becomes the fruit pulp?
Slide 24 - Open question
Learning objectives achieved?
You must be able to describe the fertilisation process in seed plants.
You must be able to describe the changes that take place in the ovary after fertilisation.
Slide 25 - Slide
Next week
Last chance to ask questions for the minor test. So study for it: Unit 7 basics 1-4 and the bumble bee names (make and hand in your own determination key)