Q1
What is self-pollination?
APollination within the same flower
BPollination between different flowers
CNo pollination occurring
DOnly animal-assisted pollination
ICSEClass 9 (ICSE)BiologyCh 5 · Topic 2
Practice and Revision - Pollination and Fertilisation
Let us practise and revise what we learned about pollination and fertilisation. Pollination transfers pollen from stamen to pistil, and fert
Core concept
Pollination can be self-pollination (within the same flower) or cross-pollination (between different flowers), aided by wind, insects, or animals.
How it works
After pollination, the pollen grain forms a pollen tube that grows down the style, delivering male gametes to the ovule.
Why it matters
Fertilisation occurs when the male gamete combines with the female gamete (egg cell) inside the ovule, forming a zygote.
Key detail
After fertilisation, the ovule develops into a seed, and the ovary develops into a fruit, completing the plant reproductive cycle.
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Quick notes
• Self-pollination occurs within the same flower.
• Cross-pollination occurs between different flowers.
• Wind, insects or animals aid pollination.
• The pollen tube grows down the style after pollination.
• It delivers male gametes to the ovule.
• Fertilisation combines male and female gametes.
• This forms a zygote.
• The ovule becomes a seed; ovary becomes a fruit.