Plants of which one of the following groups of genera are pollinated by the same agency?
A
Triticum, Cocos, Mangifera
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B
Ficus, Kigelia, Casuarina
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C
Salvia, Morus, Euphorbia
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D
Bombax, Butea, Bauhinia
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Solution
The correct option is DBombax, Butea, Bauhinia D. Bombax, Butea, Bauhinia
Reason: Pollination by birds is called ornithophily, (eg. humming birds, honey eaters, sunbirds etc.) are sensitive to colours and have powerful vision. Plants like Bombox, Butea, etc are ornithophilous plants. There flowers are characterised by tubular, cup shaped corolla, bright colour to attract insect, excess of nectar and pollens. They are generally odourless. Bauhinia is mostly visited by hummingbirds and their propagules are dispersed by birds.