Question
पाइनस में परागण और निषेचन कैसे होता है? व्याख्या कीजिए।
Answer :
Word Count : 243
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पाइनस एक अनावृतबीजी (Gymnosperm) पौधा है जिसमें परागण और निषेचन की प्रक्रिया विशिष्ट तथा वायु पर निर्भर होती है। पाइनस एकलिंगी होता है और इसमें नर तथा मादा शंकु (cones) अलग-अलग होते हैं। नर शंकु में सूक्ष्मबीजाणुधानी (microsporangia) होते हैं, जिनमें सूक्ष्मबीजाणु (microspores) बनते हैं और ये परागकण में विकसित हो
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