Pollen grains cause allergy due to the presence of?

Carbon substances

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Nitrogen substances

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Sulphur substances

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All

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Solution

The correct option is A Carbon substances
Pollen grain cause allergy due to presence of carbon substance. Most of the pollens that cause allergic reactions come from trees, weeds and grasses. Grasses are the most common of allergy. Thus the correct answer is A.

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Pollen grains cause allergy to many people. The allergy-causing substance(allergen) of the pollen grain is present in______

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