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- 1. Multiple Choice
What is meant by "seed dispersal"?
the development of seed into a new plant
the spread of seed away from the parent plant
the development of ovule into a seed after fertilization
the spread of seed to the stigma of another flower
- 2. Multiple Choice
An experiment is set-up to investigate the factors required for seed germination.
Predict which seeds will germinate after one week.
A
B
C
D
- 3. Multiple Choice
What is the correct description of pollination?
Pollen grains are transferred from anther to the ovary
Pollen grains are transferred from the anther to the stigma
Pollen grains are transferred from the ovary to the stigma
Pollen grains are transferred from the stamen to the anther
- 4. Multiple Choice
Insect-pollinated flowers typically have
Small, inconspicuous flowers
No scent
Light, powdery pollen grains
Relatively large, and often sticky grains of pollen
- 5. Multiple Choice
The table shows the condition that four samples of seeds were kept in. Which sample would germinate?
A
B
C
D
- 6. Multiple Choice
The diagram shows a section of a flower that has been cross pollinated.
Which statements about this flower are correct?
1. The pollen produced by this flower will be genetically different from the pollen on the stigma
2. The pollen was carried to the stigma by wind
3. This flower is insect- pollinated because the stigma is enclosed by the petals.
4. The pollen was produced by another flower on the same plant
1,2, and 4
1 and 3
3 only
2 and 4 only
- 7. Multiple Choice
The process of the nucleus of the pollen fusing with the nucleus of the ovule is called ________________.
Pollination
Fertilisation
Germination
reproduction
- 8. Multiple Choice
Which part of the flower is usually feathery or sticky?
petals
stigma
anther
nectar
- 9. Multiple Choice
Why are shorea seeds able to be dispersed by the wind?
It is light and has wing-like structure
It has hooks to hook onto the fur of animals
It has a fibrous husk that makes it float
It has dry pods that split open
- 10. Multiple Choice
All the following are the seed dispersal methods, except.......
By wind
By warmth
By animals
By explosive mechanism
- 11. Multiple Choice
What is the name of flower part 4 ?
Stamen
Ovary
Filament
Ovule
- 12. Multiple Choice
Which statement describes a structural adaptation of a wind-pollinated flowers?
They have long filaments so that the anthers hang outside of the flower
They have round,sticky sepals to trap pollen grains
Their large petals protect the stigma
Their stamens are feathery so there is a large surface area
- 13. Multiple Choice
When fertilization has occurred the fertilized ovule changes and so does the ovary.
What do they turn into?
The fertilised ovule turns into honey and the ovary turns into nectar.
The fertilised ovule turns into the fruit and the ovary turns into the seed.
The fertilised ovule turns into a seed and the ovary turns into the fruit or pod.
The ovule grows bigger and the ovary withers.
- 14. Multiple Choice
Which is the main reproductive organ in a flowering plant?
A
B
C
D
- 15. Multiple Choice
Plants disperse their seeds in many ways to prevent overcrowding. Otherwise, the young plants would compete with each other for mainly the following, except...
Carbon dioxide
Sunlight
space
water
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