Question

Columella is a specialized structure found in the sporangium of

• A. Ulothrix
• B. Rhizopus
• C. Spirogyra
• D. None of the above

Answer 1

The correct option is B Rhizopus

Columella is present on the tip of long erect stalk known as sporangiophore, present in the Rhizopus. It supports the Sporangium which has asexual spores. It helps nutrient exchange between the active protoplasm below and the developing spores inside the upper portion of the sporangial head.

So, the correct answer is option B.