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Assertion : Pollen grains of many specie...

Assertion : Pollen grains of many species cause severe allergies and bronchial afflictions in some people leading to acute respiratory disorders-asthma, bronchitis, etc.
Reason : In some members of Rosaceae, Leguminoseae and Solanaceae, pollen grains lose viability within 30 minutes of their release.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
`**` Pollen grains of many species cause severe allergies and bronchial affictions in some people leading to chronic respiratory disorders-asthma, bronchitis, etc.
`**` In some members of Rosaceae, Leguminoseae and Solanaceae, they maintain viability for months.
`**` In some cereals such as rice and wheat, pollen grains lose viability within 30 minutes of their release.
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