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Most Competitive Medical MCQs – Up To Date General Microbiology ( Microbiology ) MCQs

Most Competitive Medical MCQs – Up To Date General Microbiology ( Microbiology ) MCQs

This post is comprising of latest ” General Microbiology ( Microbiology ) MCQs – Latest Competitive Medical MCQs “. Here you’ll get latest Software engineering mcqs for written test, interview with answers. If you want to improve your knowledge regarding Software engineering then read these mcqs of Design of Steel Structures.

Latest Medical MCQs

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Latest General Microbiology ( Microbiology ) Mcqs

The most occurred mcqs of General Microbiology ( Microbiology ) in past papers. Past papers of General Microbiology ( Microbiology ) Mcqs. Past papers of General Microbiology ( Microbiology ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related General Microbiology ( Microbiology ) Mcqs. The Important series of General Microbiology ( Microbiology ) Mcqs are given below:

Selective media for MYCOBACTERIUM _____________?

A. Agar – agar
B. Sabourauds medium
C. Lowenstein Jensen medium
D. Loefflers serum slope

Which of the following provides best gurantee for sterlization in the heat sterilizer ?

A. Recording a temperature/ pressure readings from sterilizer guage
B. Using chemical indicator strip or pouch
C. Using a bacterial spore test
D. Determining the ability of a sterilizer to kill the hepatitis B virus

The serum concentration of which of the following human IgG subclass is maximum ?

A. IgG1
B. IgG3
C. IgG2
D. IgG4

Glasswares are sterilised by______________?

A. Incineration
B. Hot air oven
C. Autoclaving
D. Formaldehyde

Function of T-lymphocyte is/are________________?

A. Lymphokine production
B. Production of interferon
C. Rosette formation
D. All of the above

Haptane is_______________?

A. High molecular protein
B. Carrier required for specific antibody production
C. Same as epitopes
D. None of the above

Delayed tuberculin test response is due to_______________?

A. Monocytes
B. T lymphocytes
C. B lymphocytes
D. Histiocytes

VDRL is a________________?

A. Slide flocculation test
B. Tube agglutination test
C. Tube flocculation test
D. Latex agglutination test

Secretory piece of IgA is synthesized in______________?

A. B-cells
B. T-cells
C. Lymph nodes
D. Mucosal epithelium

Immunoglobulin consists of________________?

A. 2 light, 2 heavy chains
B. 1 light, 1 heavy chain
C. 1 heavy, 2 light chains
D. 3 light, 1 heavy chain

Mycology And Parasitology MCQs

The exact part of the antigen that reacts with the immune system is called as_____________?

A. Idiotope
B. Epitope
C. Clone
D. Paratope

Phagocytosis enhanced by coating the surface of antigen is called______________?

A. Opsonisation
B. De coding
C. Chemotaxis

Immunoglobin, Which is produced first by the fetus in response to infection_______________?

A. IgA
B. IgG
C. IgM
D. IgD


A. Involved in conjugation
B. Involved in multidrug resistance transfer
C. Imparts capsule formation
D. Imparts pili formation
E. Both A & B

Operation theatres are sterilized by_____________?

A. Washing with soap and water
B. Carbolic acid spraying
C. Formaldehyde fumigation
D. ETO gas

Hospital dressing is best disposed by_____________?

A. Incineration
B. Autoclaving
C. Dumping
D. Burying

Which of the following organisms are arranged in cubical packets of eight cocci________________?

A. Micrococcus
B. Staphylococcus
C. Sarcina
D. Aerococcus

Sporulation occurs in__________________?

A. Log phase
B. Lag phase
C. Stationary phase
D. Decline phase

Graft versus host reaction is caused by_________________?

A. Monocytes
B. T-lymphocytes
C. B-Lymphocytes
D. Leukocytes

Smith noguchi’s media is used for_______________?

A. Klebsiella
B. Salmonella
C. Spirochetes
D. Bacillus

Noguchi’s medium is used for________________?

A. Brucella
B. Bordetella
C. Borrelia
D. None of the above

One of the following staining methods is an example of negative staining_______________?

A. Fontana’s staining
B. Gram’s staining
C. India ink preparation
D. Zheil-Neilson’s staining

Bacteria with tuft of flagella at one end are called_______________?

A. Peritrichate
B. Monotrichate
C. Bipolar
D. Lophotrichate

Exaltation is________________?

A. No change
B. Increased Virulence
C. Decreased virulence
D. None

First released immunoglobulin after primary immunization_______________?

A. IgE
B. IgD
C. IgG
D. IgM

B.C.G untrue is_____________?

A. T.B vaccine
B. live vaccine
C. Orally administered
D. All of the above

Sterilization control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterilize laboratory ware and culture media is tested by using_______________?0

A. using Bacillus stearo thermo philus
B. Using chemical indicator
C. Using non-pathogenic strain of clostridium tetani
D. Using methylene blue

Endotoxins differ from exotoxins in that endotoxins______________?

A. are heat labile
B. are proteins
C. are highly antigenic
D. activate complement by the alternate pathway

General Microbiology MCQs

Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?

A. nucleus
B. wall
C. membrane
D. Capsule

The immediate type of hypersensitivity in which histamine doses not play a major role is______________?

A. Asthma
B. Urticaria
C. Anaphylaxis
D. Arthus reaction

The binding site for complement on the IgG molecule is in the________________?

A. CL domian
B. VL domian
C. CH1 domian
D. CH2 domian

Secretory Ig is_______________?

A. IgA
B. IgM
C. IgE
D. IgD

Serum sickness syndrome is an example of________________?

A. Angioneurotic edema
B. Anaphylactic
C. Cell-mediated immunity
D. Systemic arthus reaction

Immunoglobulins ar secreted by______________?

A. T-cells
B. Plasma cells
C. Macrophages
D. Neutrophils

A darkfield microscope would be useful in examining blood for_______________?

A. Treponema
B. Streptococcus
C. Actinomyces
D. Mycobacterium

Disinfection frees the surface from______________?

A. Vegetative forms
B. Spore forms
C. Both of the above
D. None of the above

An example of naturally acquired passive immunity is__________________?

A. Gamma globulin injection
B. Hepatitis vaccination
C. Immune blood transfusion
D. Placental transfer of antibodies

Which of the following is an enrichment medium________________?

A. Mac Conkey agar
B. Selenite F Broth
C. Blood agar
D. Nutrient Broth

Synthesis of antibodies in plasma cells occurs in_________________?

A. Nucleus
B. Endoplasmic reticulum
C. Golgi body
D. Mitochondria

Immunoglobulin implicated in atopy and anaphylaxis is_______________?

A. IgE
B. IgG
C. IgM
D. IgA

The optimal time and temperature required for sterilization in an autoclave is___________________?

A. 121°F x 15 mts. x 15 lbs pr.
B. 140°C x 2 hrs. x 10 lbs pr.
C. 121°F x 15 sec. x 15 lbs pr.
D. 121°C 15 mts. x 15 lbs pr.

Most antibodies are produced in the________________?

A. Brain and the meninges
B. Heart and the liver
C. Thymus and the appendix
D. Spleen and the lymph nodes

Which of the following antibacterial substance is present in eggs and saliva ?

A. Lysozyme
B. Albumin
C. Secretozyme
D. Isozyme

Virology MCQs

The major antiseptic value of soap lies in its ability to_____________?

A. Inhibit microbial growth
B. Remove microbes
C. Kill mircobes
D. Dehydrate microbial cells

Multiple drug resistance of bacteria depends on which of the following_______________?

A. Resistance transfer factor (RTF)
B. Fertility factor (F+)
C. Colicigenic factor (Col)
D. All of the above

All are not true for cultivation of anaerobic organisms except_______________?

A. Refrigerator
B. anaerobic jar
C. Incubator
D. Centrifuge

Rideal Walker test is used to determine the efficiency of the_____________?

A. Disinfectant
B. Antibiotics
C. Moist heat sterilisation
D. Dry heat sterilization

Sterilisation is______________?

A. Only pathogenic micro-organisms killed
B. Pathogens killed but spores are not affected
C. Non-pathogenic killed
D. All pathogenic and non-pathogenic microorganisms killed

compared with autoclave, use of a dry heat over for sterilization has the following disadvantages______________?

A. Time-consuming
B. Causes instruments to rust
C. Less effective
D. Causes sharp instruments to dull

Which of the following is not a feature of anaphylaxis ?

A. Delayed reaction
B. passive transfer by serum
C. Immediate reaction
D. None of the above

Bacterial spores are destroyed by_______________?

A. Disinfection by hypochlorite solution
B. Boiling at 100°C
C. Autoclave
D. Pasteurisation

The Ig found in exocrine secretions is_____________?

A. IgD
B. IgG
C. IgM
D. IgA

The interaction of antigens with antibodies on the surface of a mast cel leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain________________?

A. Proteolytic enzymes
B. Lysosomes
C. Lymphotoxins
D. Vasoactive mediators

Dark ground microscopy is useful to identify______________?

A. Chlamydiae
B. Mycoplasma
C. Rickettsiae
D. Spirochaetes

The minimum time required for the sterilization of surgical instruments by moist heat at 134°C is__________________?

A. 3 minutes
B. 30 minutes
C. 15 minutes
D. 60 minutes

The best sterilization method for a hand-piece is________________?

A. Ethylene oxide gas
B. chemical vapour
C. dry heat
D. All of the above

Example of immune complex hyper-sensitivity reaction is______________?

A. Transfusion reaction
B. Serum sickness
C. Atopic allergy
D. Contact dermatitis

The chemotactic factor is______________?

A. C3b
B. C2a
C. C4a
D. C5a

Steam under pressure in used in ________ sterilization?

A. Kochs sterilizer
B. Autoclave
C. Pasteurization
D. hot air oven

The predominant immunoglobulin in saliva is_______________?

A. IgA
B. IgE
C. IgD
D. IgG

Most Competitive Medical MCQs – Up To Date General Microbiology ( Microbiology ) MCQs