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Index
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Science - Plant nutrition and reproduction
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Chapter 1
 »Â
Seed formation
level: Seed formation
Questions and Answers List
level questions: Seed formation
Question
Answer
Once a pollen grain is attached to the stigma, what grows from it down the style to reach the ovary?
Pollen tube
What moves down the pollen tube from the male sex cell to join with a female sex cell inside an ovule?
Nucleus
At what point does fertilisation take place inside a plant?
When the male and female sex cell nucleus join
What happens inside the ovule after fertilisation?
A seed forms
What is contained inside each seed of a plant?
A dormant plant embryo
What does a plant embryo contain, which is used when conditions are right in order to grow?
Food store
What is the process called when a seed begins to grow into a plant?
Germination
What will come out of the seed once germination has taken place, and head upwards towards light?
Shoot
What will come out of the seed once germination has taken place, and head downwards into the soil?
Root
What does the ovary develop into around a seed, that can sometimes be eaten?
Fruit
What is the name of the process where seeds are scattered out to allow them to grow without affecting each other?
Seed dispersal
What is the name of the process where seeds are carried away on the wind to grow, for instance when dandelions seeds blow away?
Wind dispersion
What is the name of the process where seeds are carried away by animals, either by being eaten and dropped out in faeces, or by becoming attached to the animal and dropped?
Animal dispersion
What can happen with some plants, where the fruit dries out and the seeds are ejected?
Explosion
What happens with some seeds where the fruit falls and rolls across the ground?
The fruit splits and spills the seed