A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: E
Solution :
The male cone consists of spirally arranged microsporophylls. Each microsporophyll bears two microsporangia or pollen sacs and therefore, they are considered equivalent to the stamens of angiosperms. Pollen grains of Pinus, consist of a body or corpus and the air sacs or ?sacci?. The wing or sacci are separated from the body or the corpus by the saccate exine or the inner layer of exine.
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