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प्रश्न
The protective double-layered wall or covering of a pollen grain is collectively known as the ___________.
विकल्प
Periderm
Sporoderm
Exine
Intine
MCQ
रिक्त स्थान भरें
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उत्तर
The protective double-layered wall or covering of a pollen grain is collectively known as the Sporoderm.
Explanation:
The sporoderm is the complete wall of the pollen grain, which consists of two distinct layers: the outer exine and the inner intine.
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