MCQOPTIONS
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MCQOPTIONS
This section includes 84 Mcqs, each offering curated multiple-choice questions to sharpen your Algae knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is a nitrogen fixer |
| A. | Ulothrix |
| B. | Anabaena |
| C. | Ulva |
| D. | Hydrodictyon |
| Answer» C. Ulva | |
| 2. |
Which of the following is a flagellated alga |
| A. | Chlamydomonas |
| B. | Ulothrix |
| C. | Spirogyra |
| D. | Acetabularia |
| Answer» B. Ulothrix | |
| 3. |
Which of the following form contain algae |
| A. | Equisetum |
| B. | Selaginella |
| C. | Marsilea |
| D. | None of these |
| Answer» E. | |
| 4. |
The pigment phycoerythrin is characteristic of |
| A. | Green algae |
| B. | Brown algae |
| C. | Red algae |
| D. | Blue green algae |
| Answer» D. Blue green algae | |
| 5. |
Alginic acid is obtained from |
| A. | Red algae |
| B. | Green algae |
| C. | Diatoms |
| D. | Brown algae |
| Answer» E. | |
| 6. |
In chlamydomonas the meiosis occurs in |
| A. | Gamete |
| B. | Zygote |
| C. | Sporogonium |
| D. | Zoospore |
| Answer» C. Sporogonium | |
| 7. |
Reserve food material of algae is |
| A. | Starch |
| B. | Glycogen |
| C. | Fat |
| D. | Sugar |
| Answer» B. Glycogen | |
| 8. |
Pyrenoids in green algal cells are related to |
| A. | Starch formation |
| B. | Protein storage |
| C. | General metabolism |
| D. | Enzyme secretion |
| Answer» B. Protein storage | |
| 9. |
Algae attached to stone is called |
| A. | Epilithic |
| B. | Epifolic |
| C. | Coenolithic |
| D. | None of these |
| Answer» B. Epifolic | |
| 10. |
Agranal chloroplast are found in |
| A. | Bryophytes |
| B. | Gymnosperms |
| C. | Green algae |
| D. | Angiosperms |
| Answer» D. Angiosperms | |
| 11. |
Gametes formed by meiosis are called |
| A. | Coenogametes |
| B. | Meiogametes |
| C. | Mitogametes |
| D. | None of these |
| Answer» C. Mitogametes | |
| 12. |
A motile flagellated asexual cell is called |
| A. | Sperm |
| B. | Zoospore |
| C. | Oospore |
| D. | Androspore |
| Answer» C. Oospore | |
| 13. |
Fusion of mature individuals which directly act as gametes, is called |
| A. | Isogamy |
| B. | Anisogamy |
| C. | Hologamy |
| D. | Autogamy |
| Answer» D. Autogamy | |
| 14. |
In physiological anisogamy |
| A. | Gametes are morphologically similar but physiologically dissimilar |
| B. | Gametes are morphologically dissimilar but physiologicaly similar |
| C. | Gametes are morphologically and physiologically similar |
| D. | None of the above |
| Answer» B. Gametes are morphologically dissimilar but physiologicaly similar | |
| 15. |
Which one of the following is not a accessory pigment |
| A. | Chlorophyll 'a' |
| B. | Chlorophyll 'e' |
| C. | Phycocyanin |
| D. | Xanthophyll |
| Answer» B. Chlorophyll 'e' | |
| 16. |
Coenobium means |
| A. | A hollow spherical colony |
| B. | A group of filaments |
| C. | Palmelloid form |
| D. | None of the above |
| Answer» B. A group of filaments | |
| 17. |
In the life cycle of which group flagellated cells are not formed |
| A. | Chlorophyceae |
| B. | Phaeophyceae |
| C. | Rhodophyceae |
| D. | Both (b) and (c) |
| Answer» D. Both (b) and (c) | |
| 18. |
Botanical name of sea palm is |
| A. | Polysiphonia |
| B. | Postelsia |
| C. | Ectocarpus |
| D. | Macrocystis |
| Answer» C. Ectocarpus | |
| 19. |
Example of coenocytic algae is |
| A. | Vaucheria |
| B. | Chara |
| C. | Nostoc |
| D. | Polysiphonia |
| Answer» B. Chara | |
| 20. |
Sexual reproduction and mobile cells are absent in |
| A. | Chlorophyceae |
| B. | Myxophyceae |
| C. | Rhodophyceae |
| D. | Phaeophyceae |
| Answer» C. Rhodophyceae | |
| 21. |
The classification of algae is based on |
| A. | Type of pigment |
| B. | Nature of cell wall material |
| C. | Nature of reserve food |
| D. | All the above |
| Answer» E. | |
| 22. |
Who is popularly known as the "Father of Phycology'' |
| A. | Fritsch |
| B. | Papenfus |
| C. | Smith |
| D. | Morris |
| Answer» B. Papenfus | |
| 23. |
Phycology is the study of |
| A. | Algae |
| B. | Fungi |
| C. | Bacteria |
| D. | All the above |
| Answer» B. Fungi | |
| 24. |
Who is regarded as the "Father of Indian Phycology'' |
| A. | Prof. M.O.P. Iyenger |
| B. | Prof. J.N. Mishra |
| C. | Prof. R.R. Mishra |
| D. | Prof. R.N. Singh |
| Answer» B. Prof. J.N. Mishra | |
| 25. |
What is the mode of sexual reproduction in Chlorophyceae? |
| A. | oogamous |
| B. | anisogamous |
| C. | isogamous |
| D. | all of the above |
| Answer» E. | |
| 26. |
Ulothrix produces |
| A. | isogametes |
| B. | heterogametes |
| C. | anisogametes |
| D. | basidiospores |
| Answer» B. heterogametes | |
| 27. |
What is the shape of chloroplast in Chlamydomonas? |
| A. | cup-shaped |
| B. | spiral |
| C. | stellate |
| D. | collar-shaped |
| Answer» B. spiral | |
| 28. |
Which of the following is rich in protein? |
| A. | Ulothrix |
| B. | Spirogyra |
| C. | Nostoc |
| D. | Chlorella |
| Answer» E. | |
| 29. |
Iodine is obtained from the members of |
| A. | Green algae |
| B. | Brown algae |
| C. | Red algae |
| D. | Blue green algae |
| Answer» C. Red algae | |
| 30. |
In which of the following algal classes the starch and oil are present |
| A. | Chlorophyceae |
| B. | Phaeophyceae |
| C. | Rhodophyceae |
| D. | Xanthophyceae |
| Answer» E. | |
| 31. |
Red rust of tea is caused by |
| A. | Cephaleuros |
| B. | Synchytrium |
| C. | Mucor |
| D. | Fusarium |
| Answer» B. Synchytrium | |
| 32. |
Algae differ from Bryophyta in possessing |
| A. | Naked sex organs |
| B. | Sex organs covered with sterile covering |
| C. | Chlorphylls a andb |
| D. | Aerobic respiration |
| Answer» B. Sex organs covered with sterile covering | |
| 33. |
Amongst plants which one of the following group has been classified on the basis of pigments |
| A. | Algae |
| B. | Fungi |
| C. | Bryophyta |
| D. | Pteridophyta |
| Answer» B. Fungi | |
| 34. |
The giant algae or sea weeds belong to class |
| A. | Phaeophyceae |
| B. | Rhodophyceae |
| C. | Chlorophyceae |
| D. | Xanthophyceae |
| Answer» B. Rhodophyceae | |
| 35. |
Pyrenoids are characteristically found in the chloroplast of |
| A. | Fungi |
| B. | Algae |
| C. | Pteridophytes |
| D. | Angiosperms |
| Answer» C. Pteridophytes | |
| 36. |
Pyrenoids are made up of |
| A. | Core of starch surrounded by sheath of protein |
| B. | Core of protein surrounded by fatty sheath |
| C. | Proteinaceous centre and starchy sheath |
| D. | Core of nucleic acid surrounded by protein sheath |
| Answer» D. Core of nucleic acid surrounded by protein sheath | |
| 37. |
Floridean starch is found in |
| A. | Chlorophyceae |
| B. | Rhodophyceae |
| C. | Myxophyceae |
| D. | Cyanophages |
| Answer» C. Myxophyceae | |
| 38. |
All cells of sex organs are formed gametes in |
| A. | Algae |
| B. | Bryophyta |
| C. | Pteridophyta |
| D. | Gymnosperm |
| Answer» B. Bryophyta | |
| 39. |
Most important alga in research centres is |
| A. | Mycoplasma |
| B. | Spirogyra |
| C. | Chlorella |
| D. | Blue-green algae |
| Answer» D. Blue-green algae | |
| 40. |
Which of the following contains chlorophyll a, b, phycoerythrin and phycocyanin? |
| A. | Chlorophyta |
| B. | Phaeophyta |
| C. | Rhodophyta |
| D. | Bacillariophyta |
| Answer» D. Bacillariophyta | |
| 41. |
Mannitol is a reserved food found in |
| A. | Gracillaria |
| B. | Porphyra |
| C. | Chara |
| D. | Fucus |
| Answer» E. | |
| 42. |
Which of the following has non-flagellated isogamous gametes? |
| A. | Spirogyra |
| B. | Chlamydomonas |
| C. | Volvox |
| D. | Fucus |
| Answer» B. Chlamydomonas | |
| 43. |
Find the incorrect statement |
| A. | Agar-agar is produced from Gracilaria |
| B. | Chlorella is used in space food |
| C. | Mannitol is a food reserve of Rhodophyceae |
| D. | Algin is produced by algae |
| Answer» D. Algin is produced by algae | |
| 44. |
Which one of the following is a colonial alga? |
| A. | Ulothrix |
| B. | Spirogyra |
| C. | Volvox |
| D. | Chlorella |
| Answer» D. Chlorella | |
| 45. |
Which of the following shows zygotic meiosis? |
| A. | Chlamydomonas |
| B. | Marchantia |
| C. | Funaria |
| D. | Fucus |
| Answer» B. Marchantia | |
| 46. |
Plants manufacturing their own food are called |
| A. | Epiphytes |
| B. | Parasites |
| C. | Saprophytes |
| D. | Autotrophs |
| Answer» E. | |
| 47. |
Sexual reproduction in algae results in the formation of |
| A. | Oospore |
| B. | Zoospore |
| C. | Zygote |
| D. | Zygospore |
| Answer» E. | |
| 48. |
Chlamydomonas does not occur in |
| A. | Fresh water |
| B. | Pond and lake |
| C. | River |
| D. | Ocean |
| Answer» E. | |
| 49. |
Marine algae flourished well during which period |
| A. | Triassic |
| B. | Devonian |
| C. | Permian |
| D. | Ordovician |
| Answer» E. | |
| 50. |
Stomata are not found in |
| A. | Algae |
| B. | Mosses |
| C. | Ferns |
| D. | Gymnosperm |
| Answer» B. Mosses | |