Question

Spirogyra increases its body length by the division of

• A. The apical cell
• B. The basal cell
• C. Every cell of the body
• D. Accumulation of food in his body

Answer 1

The correct option is C Every cell of the body

Spirogyra, a genus of filamentous green algae is characterized by the spiral arrangement of the chloroplast. Commonly found in fresh water, each filament of Spirogyra is made up of a number of elongated cylindrical and similar cells joined end to end. During the vegetative cycle, every filament undergoes fragmentation by repeated cell division and elongation.

Therefore, the correct answer is option C.