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प्रश्न
The success of seed plants on land is mainly due to ______.
विकल्प
presence of xylem vessels
presence of mechanical tissues
evolution of siphonogamy
presence of conducting tissues
MCQ
रिक्त स्थान भरें
उत्तर
The success of seed plants on land is mainly due to evolution of siphonogamy.
Explanation:
The passage of gametes through a pollen tube is known as siphonogamy.
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