Multiple choice

The filaments of Spirogyra are seen in:

  1. running salt water

  2. running freshwater

  3. stagnant salt water

  4. stagnant freshwater
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Spirogyra thrives in stagnant freshwater bodies like ponds, ditches, and slow-moving streams where it can form floating green mats. It cannot survive in saltwater conditions and requires calm, nutrient-rich freshwater for its filamentous growth.

Keep practicing — related questions