Everyday Science

Microorganisms in Medicine MCQs With Answer

Which microorganism is used in the production of penicillin?
a) Escherichia coli
b) Streptococcus pneumoniae
c) Penicillium notatum
d) Bacillus subtilis

Answer
c) Penicillium notatum

Which bacteria is commonly used in the production of insulin?
a) Streptococcus
b) Escherichia coli
c) Clostridium botulinum
d) Bacillus anthracis

Answer
b) Escherichia coli

Which microorganism is responsible for tuberculosis?
a) Clostridium tetani
b) Mycobacterium tuberculosis
c) Escherichia coli
d) Salmonella typhi

Answer
b) Mycobacterium tuberculosis

Which microorganism is used in the production of vaccines?
a) Lactobacillus
b) Clostridium botulinum
c) Attenuated viruses
d) Aspergillus

Answer
c) Attenuated viruses

Which bacteria is responsible for food poisoning due to contaminated dairy and poultry?
a) Helicobacter pylori
b) Clostridium botulinum
c) Salmonella
d) Bacillus anthracis

Answer
c) Salmonella

Which microorganism is responsible for causing malaria?
a) Plasmodium
b) Trypanosoma
c) Leishmania
d) Toxoplasma

Answer
a) Plasmodium

Which bacteria is used in the fermentation of yogurt?
a) Streptococcus thermophilus
b) Escherichia coli
c) Clostridium tetani
d) Mycobacterium tuberculosis

Answer
a) Streptococcus thermophilus

Which microorganism is used for the production of ethanol in biotechnology?
a) Saccharomyces cerevisiae
b) Escherichia coli
c) Bacillus subtilis
d) Pseudomonas aeruginosa

Answer
a) Saccharomyces cerevisiae

Which microorganism is responsible for diphtheria?
a) Corynebacterium diphtheriae
b) Streptococcus pyogenes
c) Mycobacterium leprae
d) Vibrio cholerae

Answer
a) Corynebacterium diphtheriae

Which bacteria is used in probiotics to promote gut health?
a) Lactobacillus
b) Clostridium
c) Vibrio
d) Treponema

Answer
a) Lactobacillus

Which microorganism is responsible for the bubonic plague?
a) Yersinia pestis
b) Vibrio cholerae
c) Mycobacterium leprae
d) Clostridium difficile

Answer
a) Yersinia pestis

Which bacterium is responsible for tetanus?
a) Clostridium tetani
b) Bacillus anthracis
c) Escherichia coli
d) Vibrio cholerae

Answer
a) Clostridium tetani

Which virus is responsible for COVID-19?
a) Influenza virus
b) SARS-CoV-2
c) HIV
d) Hepatitis B virus

Answer
b) SARS-CoV-2

Which microorganism is used in the production of antibiotics like streptomycin?
a) Streptomyces
b) Bacillus
c) Clostridium
d) Vibrio

Answer
a) Streptomyces

Which protozoan causes sleeping sickness?
a) Plasmodium
b) Trypanosoma
c) Leishmania
d) Toxoplasma

Answer
b) Trypanosoma

Which bacterium causes cholera?
a) Escherichia coli
b) Salmonella typhi
c) Vibrio cholerae
d) Bacillus anthracis

Answer
c) Vibrio cholerae

Which microorganism is used in genetic engineering for gene transfer?
a) Agrobacterium tumefaciens
b) Clostridium tetani
c) Treponema pallidum
d) Vibrio cholerae

Answer
a) Agrobacterium tumefaciens

Which microorganism is used in baking to produce carbon dioxide?
a) Escherichia coli
b) Saccharomyces cerevisiae
c) Bacillus anthracis
d) Clostridium botulinum

Answer
b) Saccharomyces cerevisiae

Which bacteria are used for nitrogen fixation in soil?
a) Rhizobium
b) Escherichia coli
c) Mycobacterium
d) Clostridium

Answer
a) Rhizobium

Which virus causes smallpox?
a) Variola virus
b) Rabies virus
c) Dengue virus
d) Epstein-Barr virus

Answer
a) Variola virus

Which microorganism is responsible for syphilis?
a) Treponema pallidum
b) Mycobacterium tuberculosis
c) Clostridium tetani
d) Escherichia coli

Answer
a) Treponema pallidum

Which bacteria produce botulinum toxin, one of the most potent neurotoxins?
a) Clostridium botulinum
b) Streptococcus pneumoniae
c) Escherichia coli
d) Bacillus subtilis

Answer
a) Clostridium botulinum

Which microorganism is used in bioremediation to clean oil spills?
a) Pseudomonas
b) Vibrio
c) Clostridium
d) Mycobacterium

Answer
a) Pseudomonas

Which bacterium is commonly used in recombinant DNA technology?
a) Escherichia coli
b) Bacillus anthracis
c) Clostridium tetani
d) Mycobacterium tuberculosis

Answer
a) Escherichia coli

Which microorganism is used to produce vitamin B12?
a) Propionibacterium
b) Lactobacillus
c) Escherichia coli
d) Streptococcus

Answer
a) Propionibacterium

Which bacteria are known for causing pneumonia?
a) Streptococcus pneumoniae
b) Escherichia coli
c) Clostridium botulinum
d) Bacillus subtilis

Answer
a) Streptococcus pneumoniae

Which microorganism is responsible for leprosy?
a) Mycobacterium leprae
b) Treponema pallidum
c) Clostridium tetani
d) Salmonella typhi

Answer
a) Mycobacterium leprae

Which bacteria are responsible for typhoid fever?
a) Salmonella typhi
b) Vibrio cholerae
c) Bacillus anthracis
d) Escherichia coli

Answer
a) Salmonella typhi

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