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The pollen grains lose their viability i...

The pollen grains lose their viability in 30 minutes in

A

Triticum aestivum

B

Allium cepa

C

Atropa belladonna

D

Solanum nigrum

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A
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The pollen grain is

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

Pollen grain is

Pollen grain is

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

The pollen grain represents

The pollen grains represents the:

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