The sterile portion of Pinus microsporophyll is called:
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paraphysis
-
apophysis
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epiphysis
-
hypophysis
B
Correct answer
Explanation
The apophysis is the sterile basal portion of the Pinus microsporophyll (cone scale) that provides structural support to the fertile microsporangia-bearing upper region. Paraphysis are sterile filaments in archegonia, epiphysis is a pineal gland part, and hypophysis is related to embryonic development.