Multiple choice

Which of the following are multi-cellular algae?

a. Chlamydomonas b. Diatoms c. Blue-green algae d. Spirogyra

  1. Only a and b

  2. Only b and c

  3. Only a and c

  4. Only c and d

  5. Only a and d

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

This is the correct option. Blue-green algae and Spirogyra are multi-cellular algae.