Category Archives: Microbiology MCQ

This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Morphology and Fine Bacteria Structure – Cell Wall”. 1. Peptidoglycan layer is present in large quantity in? a) Gram-positive bacteria b) Gram-negative bacteria c) Fungi d) Algae 2. Peptidoglycan is made up of __________ a) N-acetylglucosamine b) N-acetylmuramic acid c) N-acetylglucosamine, N-acetylmuramic acid … Read more

This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Morphology and Fine Bacteria – Structures External to the Cell Wall”. 1. Bacteria having clusters of flagella at both poles of cells are known as? a) Lophotrichous b) Peritrichous c) Amphitrichous d) Monotrichous 2. Salmonella typhi has which type of flagella arrangement? a) … Read more

This set of Microbiology Interview Questions and Answers focuses on “Morphology and Fine Bacteria Structure – Size, Shape and Arrangement of Bacterial Cells”. 1. In the classification of bacteria according to shape, which among the following refers to cuboidal arrangement of bacterial cells? a) Tetrads b) Staphylococci c) Sarcinae d) Streptococci 2. Which group of … Read more

This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Microorganisms Microscopic Examination – Microbial Stains”. 1. The dye eosinate of methylene blue belongs to which group? a) Acidic dye b) Basic dye c) Neutral dye d) Oxazine dye 2. What is the correct order of staining reagents in Gram-Staining? a) Crystal violet, … Read more

This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Transmission and Scanning Electron Microscope”. 1. Which of the following is used in electron microscope? a) electron beams b) magnetic fields c) light waves d) electron beams and magnetic fields 2. Electron Microscope can give a magnification up to ___________ a) 400,000X b) … Read more

This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Microorganisms Microscopic Examination – Light Microscope”. 1. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? a) Eyepiece lens b) Objective lens c) Condenser lens d) Magnifying lens 2. What is the minimum … Read more

This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Microbial Classification”. 1. Type strain is used for referring to? a) species b) genus c) family d) division 2. The correct order of taxonomic groups from higher to lower rank is? a) Kingdom—Order—Class—Family b) Order—Class—Division—Family—Genus—Species c) Kingdom—Order—Division—Family—Class—Genus—Species d) Kingdom—Division—Class—Order—Family—Genus—Species 3. % Similarity (%S) … Read more

This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Major Characteristics of Microorganisms”. 1. For the examination of microbial cells we require the use of? a) High-power microscope b) Low-power microscope c) High-power microscope at a magnification of about 1,000 diameters d) Low-power microscope at a magnification of about 1,000 diameters 2. … Read more