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Solution


Q.

In some members of which of the following pairs of families, pollen grains retain their viability for months after release          [2021]
1 Rosaceae : Leguminosae  
2 Poaceae : Rosaceae  
3 Poaceae : Leguminosae  
4 Poaceae : Solanaceae  

Ans.

(1)

In some members of families Rosaceae, Leguminosae and Solanaceae, pollen grains maintain viability for months.