Multiple choice

Pinus seed originates in the

  1. capsule

  2. microsporophyll

  3. microsporangia

  4. megasporophyll

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Seed is the result of fertilization and consequent enlargement of the ovule. Two ovule or megasporangium are present on the adaxial side of ovuliferous scale. The ovuliferous scale and bracts constitute the megasporophyll. There are about 80-90 megasporophylls in a single female cone of Pinus.