Hardest Microbiology Quiz Trivia: Test!
Do you like researching? Have you ever thought about how many microorganisms reside inside and outside your body? If you feel so, you are a microbiology student who loves to investigate everything around the environment. Microbiology is a broad area of science that includes bacteriology, parasitology, and many more. This quiz will test your knowledge and understanding of the different microorganism's roles and functions.
- 1.All of the following statements about fungi are true except:
- A.
Fungi are heterotrophic
- B.
Most fungi are aerobic
- C.
All fungi have eurocaryotic cells
- D.
All fungi are unicellular
- E.
Few fungi are pathogenic to humans
- 2.Yeast infections are caused by:
- A.
Candida albicans
- B.
Histoplasma capsulatum
- C.
Saccharomyces cerevisiae
- D.
Penicillium
- E.
Aspergillus
- 3.Fungi, more often than bacteria, are responsible for decomposition of plant material because:
- A.
They have fermentative metabolism
- B.
They are aerobic
- C.
They cannot tolerate high osmotic pressure
- D.
They can tolerate low-moisture conditions
- E.
They prefer a neutral environment (pH 7)
- 4.Which of the following statements is false?
- A.
Fungal spores are resting spores to protect the fungus from adverse environmental conditions
- B.
Fungal spores are for reproduction
- C.
Fungi produce sexual spores
- D.
Fungi produce asexual spores
- E.
Fungal spores are used in identification of fungi
- 5.All of the following are true about protozoa except:
- A.
They have eucaryotic cells
- B.
All make cysts
- C.
They may reproduce sexually
- D.
They may have flagella or cilia
- E.
None of the above
- 6.Which of the following is not associated with foodborne illness?
- A.
Shigella
- B.
Campylobacter
- C.
Erwinia
- D.
Staphylococcus aureus
- E.
Salmonella
- 7.In a healthy human, resident microorganisms would be found in all of the following areas except:
- A.
Lower urethra
- B.
Conjunctiva
- C.
Bloodstream
- D.
Tooth and gum surfaces
- E.
Nasal passages
- 8.Which of the following molecules or structures is not associated with innate immunity?
- A.
Mucous membranes
- B.
Phagocytes
- C.
Antibodies
- D.
Lysozyme
- E.
Skin
- 9.Both staphylococci and streptococci:
- A.
Are gram-positive cocci
- B.
Are arranged in chains
- C.
Are gram-negative cocci
- D.
Form endospores
- E.
Are strict anaerobes
- 10.Which would be the most unlikely location to find adhesin molecules on a newly discovered bacterium?
- A.
Fimbriae
- B.
Capsule
- C.
Glycocalyx
- D.
Ribosomes
- E.
Cell wall
- 11.Viruses that infect bacteria are called:
- A.
Virions
- B.
Hepadnaviridae
- C.
Bacteriophages
- D.
Bactericides
- E.
Polyhedral virus
- 12.Cell-mediated immunity in part protects against:
- A.
Normal cells of the host, producing the cell-mediated immunity
- B.
Viruses free in body fluids
- C.
Bacteria free in body fluids
- D.
Intracellular bacteria and viruses
- E.
Toxins
- 13.Hyphae that lack cross-walls, and thus are long tubes with many nuclei, are called:
- A.
Coenocytic
- B.
Septate
- C.
Rhizoid
- D.
Plasmodial
- E.
Mycelial
- 14.The respiratory system is protected against harmful microbes by all of the following except:
- A.
The ciliary escalator
- B.
Mucous-coated hairs
- C.
The lacrimal apparatus
- D.
The epiglottis
- E.
Ciliated cells
- 15.Subunit vaccines tend to be safer than whole cell vaccines because:
- A.
They contain avirulent strains
- B.
They contain intact but dead microbes
- C.
They cannot reproduce in the host
- D.
They produce a stronger immune response
- E.
They are antigenic
- 16.Which of the following is not an A-B exotoxin?
- A.
Tetanus toxin
- B.
Cholera toxin
- C.
Diphtheria toxin
- D.
Staphylococcus aureus enterotoxin
- E.
Streptolysin O
- 17.Which is not a cell type involved in cell-mediated immunity?
- A.
Cytotoxic T cells
- B.
Plasma cells
- C.
TH1 cells
- D.
Helper T cells
- E.
Regulatory T cells
- 18.All of the following are true of the fungi except:
- A.
They can grow in high concentrations of sugars and salts
- B.
Diseases caused by fungi are called mycoses
- C.
They are strict aerobes
- D.
They are capable of metabolising complex carbohydrates found in newspaper and wood
- E.
Identification of fungi usually involves examination of spore types
- 19.The stage of phagocytosis in which the phagocyte's plasma membrane attaches to the surface of the microbe is called:
- A.
Adherence
- B.
Chemotaxis
- C.
Ingestion
- D.
Cytolysis
- E.
Fusion
- 20.Infectious diseases that are easily passed from host to host within a population are best described as:
- A.
Noncommunicable
- B.
Communicable
- C.
Contagious
- D.
Acute
- E.
Chronic
- 21.Which of the following is true about conjugated vaccines:
- A.
The antigens are made using recombinant DNA technology
- B.
They are useful because young children respond poorly to polysaccharides
- C.
They contain only protein subunits
- D.
They contain attenuated pathogens
- E.
They contain only T-dependent antigens
- 22.Which spore is in a sac and results from the fusion of two nuclei from different strains of the same fungi? 1-Arthrospore 2-Ascospore 3-Basidiospore 4-Blastospore 5-Chlamydospore 6-Conidiospore 7-Sporangiospore 8-Zygospore
- A.
6
- B.
1
- C.
2
- D.
4
- E.
8
- 23.Which is a thick-walled spore formed as a segment within a hypha? 1-Arthrospore 2-Ascospore 3-Basidiospore 4-Blastospore 5-Chlamydospore 6-Conidiospore 7-Sporangiospore 8-Zygospore
- A.
None
- B.
5
- C.
7
- D.
3
- E.
1
- 24.Which of these spores are asexual spores? 1-Arthrospore 2-Ascospore 3-Basidiospore 4-Blastospore 5-Chlamydospore 6-Conidiospore 7-Sporangiospore 8-Zygospore
- A.
1,3,5,8
- B.
All
- C.
2,3,6,8
- D.
1,4,5,6,7
- E.
2,4,6,7,8
- 25.Which of the following pairs are mismatched? 1.Arthrospore--formed by fragmentation 2. Sporangiospore--formed within hyphae 3. Conidiospore--formed in a chain 4. Blastospore--formed from a bud 5. Chlamydospore--formed in a sac
- A.
1 and 2
- B.
3 and 4
- C.
2 and 5
- D.
4 and 5
- E.
2 and 3
Questions: 45 | Attempts: 23246 | Last updated: Aug 20, 2020
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