1) It is a significant event because it precedes fertilisation.
2) It brings the male and female gametes closer of the process of fertilisation...
3) Cross pollination introduces variations in plants because of the mixing of diferent genes....these variations further increase the adaptability of plants towards the environment or surroundings..
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Firstly the need of pollination is if plants weren't pollinated they wouldn't be able to reproduce and would die. Its significance is to carry the pollen grains to the stigma for the process of fertilisation. It is of two types selfpollination and cross pollination.
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