The male cone of Pinus is composed of microsporophylls. Each microsporophyll has

Question

The male cone of Pinus is composed of microsporophylls. Each microsporophyll has (A) one microsporangium on abaxial side (B) two microsporangia on adaxial side (C) two microsporangia on abaxial side (D) one microsporangium on adaxial side.

Tardigrade Admin · Accepted Answer

: In Pinus a pair of microsporangia occurs on the ventral (adaxial) surface of the microsporophyll while the dorsal surface (abaxial) is sterile. Each microsporangium is a small sessile and elongated sac like structure having two-layered wall.

Q. The male cone of Pinus is composed of microsporophylls. Each microsporophyll has

one microsporangium on abaxial side

two microsporangia on adaxial side

two microsporangia on abaxial side

one microsporangium on adaxial side.

: In Pinus a pair of microsporangia occurs on the ventral (adaxial) surface of the microsporophyll while the dorsal surface (abaxial) is sterile. Each microsporangium is a small sessile and elongated sac like structure having two-layered wall.