परागकण की बाहरी भित्ति को क्या कहते हैं?
What is the outer wall of a pollen grain called?
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Correct Answer
B. एक्साइन / Exine
Concept
Identify the concept: pollen grain has two walls.
Why this answer is correct
The outer wall is exine and the inner wall is intine.
Exam Tip
Memory tip: Exine means external wall.
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