In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
- APoaceae ; Solanaceae
- BRosaceae ; Leguminosae
- CPoaceae ; Rosaceae
- DPoaceae ; Leguminosae
Solution & Step-by-step Explanation
Pollen viability varies greatly. In cereals like rice and wheat (Poaceae), it's lost within minutes. However, in some members of Rosaceae, Leguminosae, and Solanaceae, pollen can remain viable for months.