PG TRB BOTANY ONLINE TEST / QUIZ AS PER LATEST SYLLABUS | Unit I - Algae | General account of algology.

PG TRB BOTANY ONLINE TEST / QUIZ AS PER LATEST SYLLABUS | Unit I - Algae | General account of algology.

1. Who is known as the "Father of Algology"?

A) V. Krishnamurthy B) F.E. Fritsch C) M.O.P. Iyengar D) G.M. Smith

2. Which of the following is an example of a motile colony?

A) Volvox B) Hydrodictyon C) Nostoc D) Scytonema

3. The reserve food material in Phaeophyceae is:

A) Starch B) Floridean starch C) Laminarin and Mannitol D) Glycogen

4. Asexual reproduction by zoospores is a common feature in:

A) Cyanophyceae B) Rhodophyceae C) Chlorophyceae D) Bacillariophyceae

5. Which of the following pigments is responsible for the red color of red algae?

A) Fucoxanthin B) Phycocyanin C) Phycoerythrin D) Chlorophyll a

6. The life cycle of Polysiphonia is characterized by:

A) Haplontic B) Diplontic C) Haplodiplontic D) Diplohaplontic

7. The type of cell wall found in diatoms is made of:

A) Pectin B) Cellulose C) Silica D) Chitin

8. Which alga is used in space research for oxygen production?

A) Spirogyra B) Sargassum C) Chlorella D) Ulva

9. The term "algae" was coined by:

A) Linnaeus B) F.E. Fritsch C) A. L. de Jussieu D) C. Agardh

10. A filamentous alga that exhibits heterotrichous habit is:

A) Spirogyra B) Ectocarpus C) Oedogonium D) Volvox

11. Which alga is known as "sea lettuce"?

A) Laminaria B) Ulva C) Fucus D) Sargassum

12. The sexual reproduction in Chlamydomonas is typically:

A) Isogamous B) Anisogamous C) Oogamous D) All of the above

13. The main photosynthetic pigment in all groups of algae is:

A) Chlorophyll b B) Chlorophyll c C) Chlorophyll d D) Chlorophyll a

14. The group of algae that has fucoxanthin as the major accessory pigment is:

A) Rhodophyceae B) Chlorophyceae C) Phaeophyceae D) Cyanophyceae

15. Alginic acid is a cell wall component of:

A) Green algae B) Red algae C) Brown algae D) Blue-green algae

16. The most primitive type of thallus organization in algae is:

A) Unicellular motile B) Colonial C) Filamentous D) Parenchymatous

17. Which of the following algae lacks flagellated stages throughout its life cycle?

A) Spirogyra B) Ulothrix C) Oedogonium D) Chlamydomonas

18. The term 'phycology' is derived from the Greek word 'phykos' which means:

A) Fungus B) Alga C) Lichen D) Moss

19. The pigment phycocyanin is characteristic of:

A) Chlorophyceae and Rhodophyceae B) Phaeophyceae and Xanthophyceae C) Cyanophyceae and Rhodophyceae D) Bacillariophyceae and Phaeophyceae

20. Which of the following is an example of an unbranched filamentous alga?

A) Cladophora B) Spirogyra C) Ectocarpus D) Polysiphonia

21. The pyrenoids in green algae are involved in the storage of:

A) Lipids B) Proteins C) Starch D) Carbohydrates

22. Who proposed the classification of algae based on pigments and reserve food material?

A) G.M. Smith B) F.E. Fritsch C) O. Iyengar D) V. Krishnamurthy

23. In which class of algae is floridean starch the reserve food material?

A) Chlorophyceae B) Phaeophyceae C) Rhodophyceae D) Xanthophyceae

24. The fusion of a small motile male gamete with a large non-motile female gamete is called:

A) Isogamy B) Anisogamy C) Oogamy D) Conjugation

25. Which of the following is a marine alga used for the production of agar-agar?

A) Laminaria B) Chara C) Gelidium D) Volvox

26. The unique reproductive structure found in Oedogonium is:

A) Zoospore B) Akinete C) Androspore D) Heterocyst

27. Which of the following is a nitrogen-fixing blue-green alga?

A) Chlorella B) Nostoc C) Spirogyra D) Volvox

28. The motile spore with a single flagellum is known as:

A) Zoospore B) Aplanospore C) Akinete D) Autospore

29. The term 'isomorphic alternation of generations' refers to:

A) Gametophyte and sporophyte are morphologically different. B) Gametophyte and sporophyte are morphologically similar. C) Only the gametophyte stage is present. D) Only the sporophyte stage is present.

30. The habitat of algae that grow on ice and snow is called:

A) Epiphytic B) Cryophytic C) Endophytic D) Lithophytic

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