Mycology (Microbial) — MCQs Biology

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1. Mycology is the study of:
(A) Algae
(B) Bacteria
(C) Viruses
(D) Fungi

2. Fungi are:
(A) Eukaryotic organisms
(B) Prokaryotic organisms
(C) Acellular
(D) Photosynthetic

3. Fungal cell walls are made of:
(A) Peptidoglycan
(B) Cellulose
(C) Chitin
(D) Starch

4. Fungi obtain nutrition by:
(A) Chemosynthesis
(B) Photosynthesis
(C) Phagocytosis
(D) Absorptive heterotrophy

5. Fungi reproduce sexually and asexually through:
(A) Binary fission
(B) Spores
(C) Budding only
(D) Fragmentation only

6. Yeasts are:
(A) Bacteria
(B) Multicellular fungi
(C) Unicellular fungi
(D) Viruses

7. Molds are:
(A) Filamentous fungi
(B) Unicellular fungi only
(C) Bacteria
(D) Viruses

8. Fungal hyphae may be:
(A) Septate or coenocytic
(B) Only septate
(C) Only coenocytic
(D) Only unicellular

9. Fungi that cause disease in humans are called:
(A) Saprophytic fungi
(B) Pathogenic fungi
(C) Symbiotic fungi
(D) Photosynthetic fungi

10. Candida albicans causes:
(A) Athlete’s foot
(B) Ringworm
(C) Thrush and candidiasis
(D) Aspergillosis

11. Aspergillus species can cause:
(A) Aspergillosis
(B) Candidiasis
(C) Ringworm
(D) Malaria

12. Penicillium species are important for:
(A) Plant infection
(B) Food poisoning only
(C) Only soil decomposition
(D) Antibiotic production

13. Saccharomyces cerevisiae is used in:
(A) Antibiotic production
(B) Baking and alcohol fermentation
(C) Food poisoning
(D) Photosynthesis

14. Fungi reproduce asexually by:
(A) Fragmentation only
(B) Binary fission only
(C) Conidia, sporangiospores, or budding
(D) Gametes

15. Fungi reproduce sexually by:
(A) Zygospores, ascospores, basidiospores
(B) Budding only
(C) Binary fission only
(D) Conidia only

16. Fungi that form symbiotic relationships with algae are called:
(A) Pathogens
(B) Mycorrhizae
(C) Lichens
(D) Saprophytes

17. Fungi that associate with plant roots to aid nutrient absorption are:
(A) Mycorrhizal fungi
(B) Pathogenic fungi
(C) Lichens
(D) Algae

18. Chytridiomycota are:
(A) Filamentous fungi only
(B) Yeasts only
(C) Fungi with motile spores
(D) Bacteria

19. Zygomycota reproduce sexually by:
(A) Ascospores
(B) Zygospores
(C) Basidiospores
(D) Conidia

20. Ascomycota reproduce sexually by:
(A) Budding only
(B) Zygospores
(C) Basidiospores
(D) Ascospores

21. Basidiomycota reproduce sexually by:
(A) Budding
(B) Zygospores
(C) Ascospores
(D) Basidiospores

22. Fungi like Rhizopus belong to:
(A) Ascomycota
(B) Zygomycota
(C) Basidiomycota
(D) Chytridiomycota

23. Saccharomyces belongs to:
(A) Zygomycota
(B) Ascomycota
(C) Basidiomycota
(D) Chytridiomycota

24. Agaricus (mushrooms) belong to:
(A) Chytridiomycota
(B) Ascomycota
(C) Zygomycota
(D) Basidiomycota

25. Candida albicans is classified under:
(A) Basidiomycota
(B) Ascomycota
(C) Zygomycota
(D) Chytridiomycota

26. Opportunistic fungi cause disease when:
(A) Only in soil
(B) Host is healthy
(C) Host immunity is weakened
(D) Only in water

27. Dermatophytes cause:
(A) Respiratory infections only
(B) Skin infections like ringworm
(C) Blood infections only
(D) Gastrointestinal infections

28. Fungal toxins are called:
(A) Endotoxins
(B) Mycotoxins
(C) Exotoxins
(D) Neurotoxins

29. Aflatoxins are produced by:
(A) Rhizopus species
(B) Candida species
(C) Saccharomyces species
(D) Aspergillus species

30. Fungi are classified based on:
(A) Habitat only
(B) Size only
(C) Color only
(D) Reproductive structures

31. Fungi used in biotechnology include:
(A) Rhizopus only
(B) Candida only
(C) Aspergillus only
(D) Penicillium and Saccharomyces

32. Fungal infections in plants are called:
(A) Rusts, smuts, blights
(B) Bacterioses only
(C) Viral diseases only
(D) Nematode infections

33. Candida infections in humans are called:
(A) Athlete’s foot
(B) Aspergillosis
(C) Ringworm
(D) Candidiasis

34. Fungal spores are:
(A) Pigments only
(B) Only food storage
(C) Motile cells only
(D) Reproductive units

35. Hyphal networks in fungi are called:
(A) Mycelium
(B) Capsule
(C) Biofilm
(D) Colony

36. Fungi are important in:
(A) Photosynthesis only
(B) Decomposition and nutrient cycling
(C) Nitrogen fixation only
(D) Oxygen production only

37. Fungi in antibiotics production include:
(A) Aspergillus only
(B) Candida only
(C) Rhizopus only
(D) Penicillium and Cephalosporium

38. Fungi in food industry include:
(A) Penicillium only
(B) Candida only
(C) Rhizopus only
(D) Saccharomyces and Aspergillus

39. Dimorphic fungi can:
(A) Exist only as yeast
(B) Exist as yeast or mold depending on conditions
(C) Exist only as mold
(D) Exist only in soil

40. Fungal biofilms are:
(A) Only viruses
(B) Free-floating fungi only
(C) Only bacteria
(D) Communities of fungal cells attached to surfaces

41. Opportunistic fungal pathogen in AIDS patients:
(A) Rhizopus only
(B) Aspergillus only
(C) Penicillium only
(D) Candida albicans

42. Histoplasma capsulatum causes:
(A) Candidiasis
(B) Aspergillosis
(C) Histoplasmosis
(D) Ringworm

43. Fungal infections of nails are called:
(A) Candidiasis
(B) Tinea capitis
(C) Onychomycosis
(D) Aspergillosis

44. Fungal infections of scalp hair are called:
(A) Tinea pedis
(B) Tinea capitis
(C) Candidiasis
(D) Aspergillosis

45. Fungal infections of feet are called:
(A) Aspergillosis
(B) Tinea capitis
(C) Onychomycosis
(D) Tinea pedis

46. Fungal infections in lungs include:
(A) Aspergillosis and histoplasmosis
(B) Ringworm only
(C) Candidiasis only
(D) Athlete’s foot only

47. Fungi used in biotechnology include:
(A) Saccharomyces and Penicillium
(B) Candida only
(C) Rhizopus only
(D) Aspergillus only

48. Fungal enzymes are used in:
(A) Only dyes
(B) Only antibiotics
(C) Food, beverages, and detergents
(D) Only textiles

49. Fungi play a role in:
(A) Soil erosion only
(B) Photosynthesis only
(C) Nitrogen fixation only
(D) Bioremediation

50. Mycology is important for:
(A) Only food preservation
(B) Only soil health
(C) Medicine, industry, agriculture, and environment
(D) Only plant growth