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प्रश्न
When the pollen grains in a pollen sac are agglutinated into a mass, it is called ______.
रिक्त स्थान भरें
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उत्तर
When the pollen grains in a pollen sac are agglutinated into a mass, it is called pollinium.
Explanation:
A pollinium is a single mass of pollen grains found in some plants, especially in the family Asclepiadaceae, where all microspores in a pollen sac stick together to form this mass. By ensuring the transfer of a large number of pollen grains together during pollination, this adaptation aids in efficient pollination.
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