Plant Kingdom – Algae (Chlorophyceae, Phaeophyceae, Rhodophyceae)

Grade 11 Biology — Plant Kingdom – Algae (Chlorophyceae, Phaeophyceae, Rhodophyceae): 25 practice questions with instant scoring and explanations.

1. Algae are classified in kingdom:
2. Chlorophyceae are:
3. The photosynthetic pigments in Chlorophyceae include:
4. Phaeophyceae are:
5. The pigment responsible for brown color in Phaeophyceae is:
6. Rhodophyceae are:
7. Red color in Rhodophyceae is due to:
8. Most algae reproduce through:
9. Agar is obtained from:
10. Kelp belongs to:
11. Ulva (sea lettuce) belongs to:
12. Chlamydomonas is a member of:
13. Most algae are predominantly:
14. Algal cell walls are made of:
15. Cyanobacteria were previously called:
16. Cyanobacteria differ from algae by:
17. Nostoc and Anabaena are examples of:
18. Nitrogen fixation in cyanobacteria occurs in:
19. Algae serve as primary producers in:
20. The holdfast in algae serves to:
21. Reproduction in algae can be:
22. Spirogyra reproduction by conjugation is an example of:
23. Oogamy is a type of sexual reproduction where:
24. The type of life cycle most algae undergo is:
25. Laminaria (kelp) is harvested for: