Columella is a specialized structure found in the sporangium of

Q. Columella is a specialized structure found in the sporangium of
A. Spirogyra
B. Ulothrix
C. Rhizopus
D. none of these
Answer: Rhizopus

A. Spirogyra
B. Ulothrix
C. Rhizopus
D. none of these
Answer: Rhizopus