Fertilisation (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What is fertilisation?
What is fertilisation?
Union of gametes to form diploid zygote
What stimulates the pollen grain to grow on the stigma?
What stimulates the pollen grain to grow on the stigma?
Sugars produced by the stigma
Where does the pollen tube enter the ovule?
Where does the pollen tube enter the ovule?
At the micropyle
What is chemotropism in pollen tube growth?
What is chemotropism in pollen tube growth?
Growth towards chemicals from ovule
How many haploid sperm nuclei form from the generative nucleus?
How many haploid sperm nuclei form from the generative nucleus?
2
What forms when one male gamete joins with the egg nucleus?
What forms when one male gamete joins with the egg nucleus?
A diploid zygote
What forms when the second male gamete joins with the polar nuclei?
What forms when the second male gamete joins with the polar nuclei?
A triploid endosperm
Why is the process called double fertilisation?
Why is the process called double fertilisation?
Two fertilisations take place
What does the ovule become after fertilisation?
What does the ovule become after fertilisation?
The seed
What does the ovary become after fertilisation?
What does the ovary become after fertilisation?
The fruit
What does the plumule become in the developing plant?
What does the plumule become in the developing plant?
The shoot
What does the radicle become in the developing plant?
What does the radicle become in the developing plant?
The roots
How many cotyledons do monocots have?
How many cotyledons do monocots have?
1 cotyledon
Is endosperm present in dicot seeds?
Is endosperm present in dicot seeds?
No, they form non-endospermic seeds
Which are examples of monocot plants?
Which are examples of monocot plants?
Grass and cereals