Multiple choice

Sexual reproduction is absent in which of the following?

  1. Spirogyra

  2. Volvox

  3. Ulothrix

  4. Nostoc

  5. Chara

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nostoc belongs to cyanophyceae. In this entire class sexual reproduction is completely absent. It reproduces by colony formation, heterocysts and endospores.