Question

Lateral conjugation in Spirogyra takes place in the cells of ________.

• A. same filament
• B. two filaments of same species
• C. two filaments of different species
• D. All of the above

Hint:

Lateral = Beside/Side; here referring to cells adjacent to each other in one chain.

Answer 1

The Correct Option is A

Step 1: Concept
Conjugation is a form of sexual reproduction in the alga \textit{Spirogyra}.
Step 2: Analysis
Scalariform conjugation occurs between two different filaments lying side-by-side. Lateral conjugation occurs between two adjacent cells of the same filament.
Step 3: Conclusion
Hence, lateral conjugation takes place in the same filament.
Final Answer:(A)