Microorganisms and Diseases MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Microorganisms and Diseases MCQs for Preparation.
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Microorganisms and Diseases Online MCQs with Answers
Which of the following is a microscopic organism that can cause diseases?
a) Fungi
b) Protozoa
c) Bacteria
d) All of the above
Which of the following diseases is caused by a virus?
a) Malaria
b) Tuberculosis
c) Influenza
d) Cholera
Which of the following is the smallest microorganism?
a) Bacteria
b) Virus
c) Fungus
d) Protozoa
What is the primary mode of transmission for the Ebola virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with bodily fluids
Which of the following microorganisms causes malaria?
a) Plasmodium
b) Salmonella
c) Staphylococcus
d) Streptococcus
Which of the following diseases is caused by a bacterial infection?
a) Dengue fever
b) Measles
c) Tetanus
d) Hepatitis B
What is the primary mode of transmission for the Zika virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Sexual contact
Which microorganism causes tuberculosis?
a) Mycobacterium tuberculosis
b) Escherichia coli
c) Candida albicans
d) Plasmodium falciparum
Which of the following diseases is caused by a fungal infection?
a) Mumps
b) Ringworm
c) Polio
d) Typhoid fever
What is the primary mode of transmission for the HIV virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Sexual contact and blood transfusion
Which of the following microorganisms causes pneumonia?
a) Streptococcus pneumoniae
b) Vibrio cholerae
c) Plasmodium vivax
d) Salmonella typhi
Which of the following diseases is caused by a parasitic infection?
a) Cholera
b) Malaria
c) Tuberculosis
d) Influenza
Which microorganism causes food poisoning?
a) Escherichia coli
b) Influenza virus
c) Human papillomavirus
d) Dengue virus
Which of the following diseases is caused by a prion?
a) Mad cow disease
b) Hepatitis A
c) Mumps
d) Zika virus infection
What is the primary mode of transmission for the dengue virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Sexual contact
Which microorganism causes urinary tract infections?
a) Escherichia coli
b) Streptococcus pneumoniae
c) Mycobacterium tuberculosis
d) Plasmodium falciparum
Which of the following diseases is caused by a viral infection?
a) Tuberculosis
b) Typhoid fever
c) Hepatitis B
d) Tetanus
What is the primary mode of transmission for the Chikungunya virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Direct contact with bodily fluids
Which microorganism causes strep throat?
a) Streptococcus pyogenes
b) Escherichia coli
c) Salmonella typhi
d) Vibrio cholerae
Which of the following diseases is caused by a parasitic infection?
a) Cholera
b) Malaria
c) Tuberculosis
d) Influenza
What is the primary mode of transmission for the H1N1 influenza virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with bodily fluids
Which microorganism causes dental cavities?
a) Streptococcus mutans
b) Mycobacterium tuberculosis
c) Candida albicans
d) Plasmodium vivax
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever
What is the primary mode of transmission for the hepatitis C virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with infected blood
Which microorganism causes yeast infections?
a) Candida albicans
b) Streptococcus pneumoniae
c) Escherichia coli
d) Salmonella typhi
Which of the following diseases is caused by a bacterial infection?
a) Dengue fever
b) Measles
c) Tetanus
d) Hepatitis B
What is the primary mode of transmission for the Zika virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Sexual contact
Which microorganism causes whooping cough?
a) Bordetella pertussis
b) Plasmodium falciparum
c) Escherichia coli
d) Streptococcus pyogenes
Which of the following diseases is caused by a viral infection?
a) Tuberculosis
b) Typhoid fever
c) Hepatitis A
d) Tetanus
What is the primary mode of transmission for the West Nile virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Direct contact with infected birds
Which microorganism causes acne?
a) Propionibacterium acnes
b) Streptococcus pneumoniae
c) Mycobacterium tuberculosis
d) Candida albicans
Which of the following diseases is caused by a parasitic infection?
a) Cholera
b) Malaria
c) Tuberculosis
d) Influenza
What is the primary mode of transmission for the SARS-CoV-2 virus (COVID-19)?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with respiratory droplets
Which microorganism causes urinary tract infections?
a) Escherichia coli
b) Streptococcus pneumoniae
c) Mycobacterium tuberculosis
d) Plasmodium falciparum
Which of the following diseases is caused by a viral infection?
a) Tuberculosis
b) Typhoid fever
c) Hepatitis C
d) Tetanus
What is the primary mode of transmission for the Hantavirus?
a) Airborne
b) Waterborne
c) Vector-borne (rodents)
d) Direct contact with bodily fluids of infected animals
Which microorganism causes athlete’s foot?
a) Trichophyton rubrum
b) Escherichia coli
c) Salmonella typhi
d) Vibrio cholerae
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever
What is the primary mode of transmission for the norovirus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with contaminated surfaces or food
Which microorganism causes pneumonia?
a) Streptococcus pneumoniae
b) Escherichia coli
c) Plasmodium vivax
d) Salmonella typhi
Which of the following diseases is caused by a parasitic infection?
a) Cholera
b) Malaria
c) Tuberculosis
d) Influenza
What is the primary mode of transmission for the measles virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with respiratory droplets
Which microorganism causes dental cavities?
a) Streptococcus mutans
b) Mycobacterium tuberculosis
c) Candida albicans
d) Plasmodium vivax
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever
What is the primary mode of transmission for the hepatitis B virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with infected blood
Which microorganism causes yeast infections?
a) Candida albicans
b) Streptococcus pneumoniae
c) Escherichia coli
d) Salmonella typhi
Which of the following diseases is caused by a bacterial infection?
a) Dengue fever
b) Measles
c) Tetanus
d) Hepatitis B
What is the primary mode of transmission for the Zika virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Sexual contact
Which microorganism causes whooping cough?
a) Bordetella pertussis
b) Plasmodium falciparum
c) Escherichia coli
d) Streptococcus pyogenes
Which of the following diseases is caused by a viral infection?
a) Tuberculosis
b) Typhoid fever
c) Hepatitis A
d) Tetanus
What is the primary mode of transmission for the West Nile virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Direct contact with infected birds
Which microorganism causes acne?
a) Propionibacterium acnes
b) Streptococcus pneumoniae
c) Mycobacterium tuberculosis
d) Candida albicans
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever
What is the primary mode of transmission for the hepatitis C virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with infected blood
Which microorganism causes urinary tract infections?
a) Escherichia coli
b) Streptococcus pneumoniae
c) Mycobacterium tuberculosis
d) Plasmodium falciparum
Which of the following diseases is caused by a viral infection?
a) Tuberculosis
b) Typhoid fever
c) Hepatitis C
d) Tetanus
What is the primary mode of transmission for the Hantavirus?
a) Airborne
b) Waterborne
c) Vector-borne (rodents)
d) Direct contact with bodily fluids of infected animals
Which microorganism causes athlete’s foot?
a) Trichophyton rubrum
b) Escherichia coli
c) Salmonella typhi
d) Vibrio cholerae
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever
What is the primary mode of transmission for the norovirus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with contaminated surfaces or food
Which microorganism causes pneumonia?
a) Streptococcus pneumoniae
b) Escherichia coli
c) Plasmodium vivax
d) Salmonella typhi
Which of the following diseases is caused by a parasitic infection?
a) Cholera
b) Malaria
c) Tuberculosis
d) Influenza
What is the primary mode of transmission for the measles virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with respiratory droplets
Which microorganism causes dental cavities?
a) Streptococcus mutans
b) Mycobacterium tuberculosis
c) Candida albicans
d) Plasmodium vivax
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever
What is the primary mode of transmission for the hepatitis B virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with infected blood
Which microorganism causes yeast infections?
a) Candida albicans
b) Streptococcus pneumoniae
c) Escherichia coli
d) Salmonella typhi
Which of the following diseases is caused by a bacterial infection?
a) Dengue fever
b) Measles
c) Tetanus
d) Hepatitis B
What is the primary mode of transmission for the Zika virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Sexual contact
Which microorganism causes whooping cough?
a) Bordetella pertussis
b) Plasmodium falciparum
c) Escherichia coli
d) Streptococcus pyogenes
Which of the following diseases is caused by a viral infection?
a) Tuberculosis
b) Typhoid fever
c) Hepatitis A
d) Tetanus
What is the primary mode of transmission for the West Nile virus?
a) Airborne
b) Waterborne
c) Vector-borne (mosquitoes)
d) Direct contact with infected birds
Which microorganism causes acne?
a) Propionibacterium acnes
b) Streptococcus pneumoniae
c) Mycobacterium tuberculosis
d) Candida albicans
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever
What is the primary mode of transmission for the hepatitis C virus?
a) Airborne
b) Waterborne
c) Vector-borne
d) Direct contact with infected blood
Which microorganism causes urinary tract infections?
a) Escherichia coli
b) Streptococcus pneumoniae
c) Mycobacterium tuberculosis
d) Plasmodium falciparum
Which of the following diseases is caused by a viral infection?
a) Tuberculosis
b) Typhoid fever
c) Hepatitis C
d) Tetanus
What is the primary mode of transmission for the Hantavirus?
a) Airborne
b) Waterborne
c) Vector-borne (rodents)
d) Direct contact with bodily fluids of infected animals
Which microorganism causes athlete’s foot?
a) Trichophyton rubrum
b) Escherichia coli
c) Salmonella typhi
d) Vibrio cholerae
Which of the following diseases is caused by a fungal infection?
a) Polio
b) Ringworm
c) Measles
d) Typhoid fever