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.

Options

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.

Answer

D

Explanation

• 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.