Pollen grains lose viabiliyt within 30 minutes of their release in:

Pollen grains lose viability within 30 minutes of their release in:

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.

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.

Himgiri variety which is resistant to hill bunt disease belongs to taxon in which pollen grains lose viability within 10 minutes of their release. The taxon belongs to

Himgiri variety which is resistant to hill bunt disease belongs to taxon in which pollen grains lose viability within 10 minutes of their release. The taxon belongs to

Pollen grain is

Pollen grain is

Pollen grain is