The correct answer is Option (4) → Wind pollination.
Wind pollination is a common form of abiotic pollination.
- It requires light and non-sticky pollen grains that can be carried by wind currents.
- Wind-pollinated flowers typically have well-exposed stamens, allowing easy dispersal of pollen into the air.
- They often have large, feathery stigmas that are designed to efficiently capture airborne pollen grains.
- Wind-pollinated flowers typically have a single ovule in each ovary.
- Many wind-pollinated flowers are densely packed into inflorescences.
- A familiar example of wind pollination is observed in corn, where the tassels represent the stigma and style that wave in the wind to trap pollen grains.
- Grasses are a common example of plants that rely on wind pollination.
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