Multiple choice

The sterile portion of Pinus microsporophyll is called:

  1. paraphysis

  2. apophysis

  3. epiphysis

  4. hypophysis

Reveal answer Fill a bubble to check yourself
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.