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Question
In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
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Solution
The correct option is A Rosaceae; Leguminosae
Pollen viability refers to the ability of pollen to mature, germinate and transfer the male gametes to the female gametophyte (embryo sac). It varies in different plant families.
In some cereals such as rice and wheat which belong to the family Poaceae, pollen grains lose viability within 30 minutes of their release, while in some members belonging to the families, Rosaceae, Leguminoseae and Solanaceae, pollen viability is maintained for months after release.
Pollen viability refers to the ability of pollen to mature, germinate and transfer the male gametes to the female gametophyte (embryo sac). It varies in different plant families.
In some cereals such as rice and wheat which belong to the family Poaceae, pollen grains lose viability within 30 minutes of their release, while in some members belonging to the families, Rosaceae, Leguminoseae and Solanaceae, pollen viability is maintained for months after release.
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