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B
Animals
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C
Water
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D
Explosion mechanism
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Solution
The correct option is A Wind In pollination, pollinators play a major role and different plants adopt different methods to pollinate themselves.
By wind also called anemophily and is used by around 19% of plants. Ex poppy and palm.
By animals also called zoophily in which various animals mainly insects help in pollination and get a reward for this. Majority of plant use this method around 80%.ex Sunflower (by bees), potato (by bumblebees).
By water also called as hydrophily and is not used as much only 0.4 % of plant favored it. Ex Vallisneria.
Explosion mechanism occurs when the triggering agent come in contact and is a violent explosion in which either only anther or both anther and stigma burst to release pollen. Ex Lamiaceae family.