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Solution - Pre-fertilisation - Structures and Events - Stamen, Microsporangium and Pollen Grain

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Question

A student on a school trip started sneezing and wheezing soon after reaching the hill station for no explained reasons. But, no return to the plains, the symptoms disappeared. What is such a response called? How does the body produce it?

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Solution for concept: Pre-fertilisation - Structures and Events - Stamen, Microsporangium and Pollen Grain. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)
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