Mcqs

Microbiology Mcqs

Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice.

  • The Characterization, Classification and Identification of Microorganisms
  • The Microscopic Examination of Microorganisms
  • The Morphology and Fine Structure of Bacteria
  • The Cultivation of Bacteria
  • Reproduction and Growth
  • Pure Cultures and Cultural Characteristics
  • Microbial Metabolism: Energy Production
  • Microbial Metabolism: Utilization of Energy and Biosynthesis
  • The World of Bacteria I & II
  • Fungi – Molds and Yeasts
  • Algae & Protozoa
  • Viruses of Bacteria
  • Viruses of Animals and Plants
  • The Control of Microorganisms by Physical & Chemical Agents
  • Antibiotics and Other Chemotherapeutic Agents
  • Microbiology of Soil & Aquatic Microbiology
  • Microbiology of Domestic Water and Wastewater, Microbiology of Food
  • Industrial Microbiology & Bacterial Genetics
  • Microbial Flora of the Healthy Human Host, Host-Microbe Interactions : The Process of Infection
  • Microbial Agents of Disease: Bacteria & Viruses
  • Microbial Agents of Disease: Fungi and Protozoa

 

Latest Popular
Q:

Where are the protozoa present during the acute stage of Chagas’ disease?

A) blood B) spleen
C) liver D) stool
 
Answer & Explanation Answer: A) blood

Explanation: T. cruzi is present in the blood during the acute stage of Chagas’ disease. Fatality is due to a meningoencephalitis or myocardial failure.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

67
Q:

Chagas’ disease is transmitted to humans by ________________

A) tsetse fly B) mosquitoes
C) reduviid bugs D) sandflies
 
Answer & Explanation Answer: C) reduviid bugs

Explanation: T.cruzi, the causative agent of Chagas’ disease is transmitted to humans by reduviid bugs (Triatoma, Rhodinas, and Panstrongylus), which are intermediate hosts as well as vectors for the parasites.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

49
Q:

African sleeping sickness is caused by _______________

A) Trypanosoma cruzi B) Trypanosoma gambiense
C) Trichomonas vaginalis D) Leishmania tropica
 
Answer & Explanation Answer: B) Trypanosoma gambiense

Explanation: African sleeping sickness is caused by Trypanosoma gambiense and Trypanosoma rhodesiense.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

52
Q:

What is the incubation period for kala azar disease?

A) 24 h B) 1 month
C) 2-4 months D) 7 days
 
Answer & Explanation Answer: C) 2-4 months

Explanation: Clinically, kala azar has a variable incubation period, usually 2 to 4 months. Onset may be gradual or sudden, and the source of the disease may be acute or chronic.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

59
Q:

Leishmania organism are transmitted to humans by ______________

A) sandflies B) tsetse flies
C) mosquitoes D) bugs
 
Answer & Explanation Answer: A) sandflies

Explanation: Leishmania organism are transmitted to humans by the bites of sandflies (genus Phlebotomus) harbored by dogs and other animals that serve as reservoirs for the parasites.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

58
Q:

The disease espundia is caused by which of the following protozoa?

A) Leishmania brasiliensis B) Leishmania donovani
C) Leishmania tropica D) Phlebotomus sp
 
Answer & Explanation Answer: A) Leishmania brasiliensis

Explanation: Leishmania brasiliensis causes the disease espundia which can then cause the infection for the disease leishmaniasis.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

45
Q:

How much time does it take for the rupture of infected erythrocytes with P. vivax?

A) 24 h B) 48 h
C) 72 h D) 96 h
 
Answer & Explanation Answer: B) 48 h

Explanation: The rupture of infected erythrocytes at the completion of schizogony occurs every 48 h with P. vivax and P. ovale.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

40
Q:

The schizonts enter which body part?

A) bloodstream B) spleen
C) mouth D) liver
 
Answer & Explanation Answer: D) liver

Explanation: The sporozoites quickly enter the liver, where they divide and develop into multinucleated forms known as schizonts.

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Category: Biotech Engineering MCQs
Sub Category: Microbiology Mcqs

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