Question
Using CNG as a fuel is more eco-friendly.
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| Column A (Adaptation) | Column B (Type of pollination) |
| (1) Sticky, spiny pollen grains non-fragrant flowers | (a) Anemophily |
| (2) Feathery stigma and versatile anther | (b) Chiropterophily |
| (3) Presence of nectar glands and sweet smell | (c) Ornithophily |
| (4) Dull coloured flowers with strong fragrance | (d) Entomophily |