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Biology · Sexual Reproduction in flowering Plants
हिन्दीMatch the following columns and select the correct choice: Column IColumn II ARice and Wheat BRosaceae, Leguminoseae, and Solanaceae CLiquid nitrogen storage (\( -196^\circ\text{C} \)) 1Maintained viability for months 2Lose viability within 30 minutes of release 3Used as pollen banks in crop breeding programmes
Match the following columns and select the correct choice:
| Column I | Column II | ||
|---|---|---|---|
| A | Rice and Wheat | ||
| B | Rosaceae, Leguminoseae, and Solanaceae | ||
| C | Liquid nitrogen storage (\( -196^\circ\text{C} \)) | ||
| 1 | Maintained viability for months | ||
| 2 | Lose viability within 30 minutes of release | ||
| 3 | Used as pollen banks in crop breeding programmes |
Correct answer · Option 1
A-2, B-1, C-3
Explanation
Rice and wheat pollen grains lose viability within 30 minutes of release, Rosaceae, Leguminoseae, and Solanaceae maintain viability for months, and storage in liquid nitrogen (\( -196^\circ\text{C} \)) is used for pollen banks.
