Fertilisation (Leaving Cert Biology): Flashcards
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Practise the cards
15 cards from this deck
Definition of fertilisation
Definition of fertilisation
Union of male & female gametes to form diploid zygote
Where pollen grain lands
Where pollen grain lands
Stigma
What stimulates pollen tube growth
What stimulates pollen tube growth
Sugars produced by stigma
What generative nucleus divides to form
What generative nucleus divides to form
2 haploid sperm nuclei (male gametes)
1st fertilisation in double fertilisation
1st fertilisation in double fertilisation
Male gamete + egg nucleus = diploid zygote ()
2nd fertilisation in double fertilisation
2nd fertilisation in double fertilisation
Male gamete + polar nuclei = triploid endosperm ()
What ovule becomes after fertilisation
What ovule becomes after fertilisation
Seed
What ovary becomes after fertilisation
What ovary becomes after fertilisation
Fruit
What plumule becomes
What plumule becomes
Shoot
What radicle becomes
What radicle becomes
Roots
What are cotyledons
What are cotyledons
Seed leaves; food store in seed (1 or 2)
Plants with 1 cotyledon
Plants with 1 cotyledon
Monocots
Plants with 2 cotyledons
Plants with 2 cotyledons
Dicots
Type of seed monocots form
Type of seed monocots form
Endospermic seed
Type of seed dicots form
Type of seed dicots form
Non-endospermic seed