CBSE 2026 · Region 4 · Set 1 · Q22 · 3 marks
Differentiate between wind-pollinated and insect-pollinated flowers. Give an example of each type.
Marking-scheme solution
•
Wind pollinated flowers
Insect Pollinated flowers
Flowers are dull or not colourful.
Flowers are colourful.
Flowers do not produce nectar.
Flowers produce nectar.
Flowers are not fragrant.
Flowers are fragrant.
Flowers are generally of small size.
Flowers are of large size.
Pollen grains are produced in large numbers.
Pollen grains are not produced in large numbers.
Pollen grains are light weight and non sticky.
Pollen grains are heavy and sticky.
Often have feathery stigma to easily trap air borne pollens
Stigma is often non feathery.
Any other correct difference
• Example :
Wind pollinated flowers
Insect Pollinated flowers
Maize, Cannabis, Grasses
Yucca, Sunflower
Any other correct example
Sexual Reproduction in Flowering PlantsPre-fertilisation: Structures and EventsAnalyseshort_answermedium
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CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.