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MCQs on Algae with Answers

MCQs on algae with answers can help researchers evaluate their knowledge of algae. Answers are also given to help you remember. Try our MCQs on algae questions with answers to see if you can get all the MCQs on algae answers right for the questions below.

MCQs on Algae with Answers

Algae can be found in a variety of environments, including oceans, rivers, and lakes, as well as ponds, brackish water, and even snow. 

MCQs on Algae

1. Which are the most primitive group of algae?

  1. Blue green algae
  2. Red algae
  3. Brown algae
  4. Green algae

2. Which one of the following is a colonial alga?

  1. Ulothrix
  2. Spirogyra
  3. Volvox
  4. Chlorella

3. Which of the following shows zygotic meiosis?

  1. Chlamydomonas
  2. Marchantia
  3. Funaria
  4. Fucus

4. Find the incorrect statement

  1. Agar-agar is produced from Gracilaria
  2. Chlorella is used in space food
  3. Mannitol is a food reserve of Rhodophyceae
  4. Algin is produced by algae

5. Mannitol is a reserved food found in

  1. Gracillaria
  2. Porphyra
  3. Chara
  4. Fucus

6. Which contains chlorophyll a, b, phycoerythrin and phycocyanin?

  1. Chlorophyta
  2. Phaeophyta
  3. Rhodophyta
  4. Bacillariophyta

7. Which of the following is rich in protein?

  1. Ulothrix
  2. Spirogyra
  3. Nostoc
  4. Chlorella

8. Ulothrix produces

  1. Isogametes
  2. Heterogametes
  3. Anisogametes
  4. Basidiospores

9. What is the mode of sexual reproduction in Chlorophyceae?

  1. Oogamous
  2. Anisogamous
  3. Isogamous
  4. All of the above

10. What is the shape of chloroplast in Chlamydomonas?

  1. Cup-shaped
  2. Spiral
  3. Stellate
  4. Collar-shaped

11. Agar-Agar is derived from

  1. Fungi
  2. Algae
  3. Bryophytes
  4. Gymnosperms

12. Starch is an energy storage material characteristic of

  1. Chlorophyta
  2. Chrysophyta
  3. Phaeophyta
  4. Rhodophyta

13. Heterocysts are found in

  1. Nostoc
  2. Cystopus
  3. Ulothrix
  4. Aspergillus

14. What is the storage product of most algae?

  1.  Cellulose
  2.  Glycogen
  3.  Starch and oil
  4.  Fat

15. Filaments of Ulothrix are

  1.  branched
  2.  unbranched
  3. brick-shaped
  4. girdle-shaped

Answer Key

1. Blue green algae

2. Volvox

3. Chlamydomonas

4. Mannitol is a food reserve of Rhodophyceae

5. Fucus

6. Rhodophyta

7. Chlorella

8. Isogametes

9. All of the above

10. Cup-shaped

 11. Algae

12. Rhodophyta

13. Nostoc

14. Starch and oil

15. Unbranched

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