Explore topic-wise MCQs in Microbiology.

This section includes 204 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.

101.

'Meningoencephalitis' is a disease caused by

A. Neisseria
B. Candida albicans
C. Naegleria fowleri
D. Tetani
Answer» D. Tetani
102.

Anatomic location for 'clostridium' species is

A. Mouth
B. Colon
C. Urinary tract
D. Skin
Answer» C. Urinary tract
103.

Portal of entry for 'Pseudomonas aeruginosa' is

A. Nose
B. Skin
C. Gastrointestinal tract
D. Respiratory
Answer» C. Gastrointestinal tract
104.

Vibrio cholera enter in body via 'gastrointestinal' tract and causes

A. Cholera
B. Fever
C. Measles
D. Mumps
Answer» B. Fever
105.

Fever may inhibit process of replication in

A. Bacteria
B. Virus
C. Fungi
D. Algae
Answer» C. Fungi
106.

Warts in human are caused by virus

A. Adenovirus
B. Arenavirus
C. Papillomavirus
D. Rubella virus
Answer» D. Rubella virus
107.

Portal of entry for 'Bacillus' cereus is

A. Genital tract
B. Respiratory tract
C. Mouth
D. Nose
Answer» B. Respiratory tract
108.

Polymorphonuclear leukocytes, as name indicates, show variable shape of

A. Cytoplasm
B. Nucleus
C. Mitochondria
D. Ribosomes
Answer» C. Mitochondria
109.

Person to person transmission of 'pathogens' is termed as

A. Horizontal transmission
B. Vertical transmission
C. None of these
D. Both a and b
Answer» B. Vertical transmission
110.

'Trimethoprim-sulfa' is drug of choice for

A. Whipple's disease
B. Whooping cough
C. Death fever
D. Angina
Answer» B. Whooping cough
111.

Transmission of 'pathogens' during pregnancy from mother to child is called as

A. Direct transmission
B. Horizontal transmission
C. Vertical transmission
D. Indirect transmission
Answer» D. Indirect transmission
112.

Main site for infection for M. leprae is skin and

A. Mucous
B. Membrane
C. Nucleic acid
D. Nerves
Answer» E.
113.

'Rhinovirus' is a causative agent for common cold that enters human body through

A. Gastrointestinal tract
B. Skin
C. Mouth
D. Respiratory tract
Answer» E.
114.

Main site for 'S. aureus' colonization is

A. Skin
B. Nose
C. Mucous
D. Eye
Answer» C. Mucous
115.

Birds are host for

A. C. pneumoniae
B. C. trachomatis
C. C. psittaci
D. Chlamydia
Answer» D. Chlamydia
116.

'Achromobacter' are mostly

A. Epidemic pathogens
B. Opportunists pathogens
C. Endemic pathogens
D. Viral pathogens
Answer» C. Endemic pathogens
117.

'APOBEC3G' refers to

A. Apolipoprotein B RNA-Editing Enzyme
B. Alpha Defensin
C. Beta Defensin
D. White blood cells
Answer» B. Alpha Defensin
118.

Brucella enters human body either by ingestion of contaminated milk or through

A. Skin
B. Eyes
C. Mucous
D. Nose
Answer» B. Eyes
119.

M.pneumoniae is 'mycoplasma' that is pathogenic, paticularly for

A. Pigs
B. Rats
C. Cats
D. Human
Answer» E.
120.

'Spirochetes' are flexible, thin walled

A. Spiral rods
B. Rods
C. Cocci
D. Comma shaped cocci
Answer» B. Rods
121.

'Actinomycetes' are long chain forming bacteria that resembles in structure with

A. Hyphae of fungi
B. Algae
C. Gymnosperm
D. Angiosperm
Answer» B. Algae
122.

In category of minor pathogen, a specie that is found in faces of chickens and other domestic animals is named as

A. Acintobacter
B. Actinobacillus
C. Arizona
D. Aeromonas
Answer» D. Aeromonas
123.

Inflammatory disease of 'pelvic' is caused by

A. Mycoplasma pneumoniae
B. Mycoplasma hominis
C. Mycobacterium leprae
D. Mycolasma
Answer» C. Mycobacterium leprae
124.

Gram negative human pathogens include 'N. gonorrhoea' and

A. Diplococcus
B. E. coli
C. N. meningitis
D. S. aureus
Answer» D. S. aureus
125.

Portal of entry for 'rotavirus' is

A. Respiratory tract
B. Gastrointestinal tract
C. Genital tract
D. Mouth
Answer» C. Genital tract
126.

'Chickenpox' is disease caused by

A. Rotavirus
B. Rubella virus
C. Varicella-zoster virus
D. Hantavirus
Answer» D. Hantavirus
127.

'Diarrhoea' in infants is caused by

A. Retrovirus
B. Rotavirus
C. Reovirus
D. Adenovirus
Answer» C. Reovirus
128.

E. coli can ferment

A. Maltose
B. Sucrose
C. Lactose
D. Galactose
Answer» D. Galactose
129.

A rare disease called 'rickettsialpox' caused by R. Akari, found in densely populated areas of

A. India
B. England
C. USA
D. China
Answer» D. China
130.

Coxiella burnetii' is found everywhere in world except

A. South Africa
B. Bangladesh
C. New Zealand
D. England
Answer» D. England
131.

M. Fortuitum-cheloni is a

A. Parasite
B. Saprophyte
C. Autotroph
D. Herbivorous
Answer» C. Autotroph
132.

Nose and skin are best 'anatomic' location for

A. Bacteroides species
B. Gardnerrella vaginalis
C. Enterococcus
D. Staphylococcus aureus
Answer» E.
133.

'PPD' stands for

A. Purified peptides derivatives
B. Purified proteins
C. Purified protein derivatives
D. Purified lipid derivatives
Answer» D. Purified lipid derivatives
134.

A pathogen and pleomorphic is known as

A. Bartonella henselae
B. Bacillus sabtilis
C. S. aureus
D. Treponema
Answer» B. Bacillus sabtilis
135.

'Actinomycetes' that causes abscesses in brain and kidney in immunodeficent patients are

A. Actinomycetes israelii
B. Nocardia asteroids
C. M. marinum
D. M. leprae
Answer» C. M. marinum
136.

A large loosely coiled 'spirochete' that causes lymph disease is known as

A. B. burgdorferi
B. B. recurrentis
C. T. pallidum
D. L. interrogans
Answer» B. B. recurrentis
137.

A sexually transmitted disease, develops chancre on genitals organs of women, an characterized by pain during intercourse and urination, known as

A. Chancroid
B. Ulcer
C. Lymph nodes
D. Lymphoma
Answer» B. Ulcer
138.

A microorganism, have ability to cause a disease, called

A. Disease causing
B. Detrimental
C. Pathogens
D. Virulence
Answer» D. Virulence
139.

'rat' fever is also known as

A. Sodoku
B. Gastritis
C. ulcers
D. Angina
Answer» B. Gastritis
140.

Nontuberculous 'mycobacteria' are those that do not infect lungs and are also called as

A. Atypical bacteria
B. Non disease causing
C. Facultative bacteria
D. Neutral bacteria
Answer» B. Non disease causing
141.

A typical mycobacterium, produces yellow-orange pigmented colonies, exposed to UV rays, named as

A. Photochromogens
B. Scotochromogens
C. Non chromogens
D. Rapidly growing mycobacterium
Answer» B. Scotochromogens
142.

'Spirochetes' have a distinctive quality that they are

A. Rigid
B. Motile
C. Flexible
D. Coccobacillus
Answer» C. Flexible
143.

A constantly consistent infection in a specific population at low level is termed as

A. Endemic
B. Epidemic
C. Pandemic
D. Worldwide
Answer» B. Epidemic
144.

'Treponema pallidum' is transmitted via transplacental mode and is causative agent for

A. Hydrops fetalis
B. Toxoplasmosis
C. Congenital syphilis
D. Thrush
Answer» D. Thrush
145.

Natural 'reservoir' for M. tuberculosis is

A. Pigs
B. Goats
C. Human
D. Cattles
Answer» D. Cattles
146.

Gonorrhea is a disease that is transmitted from person to person, mainly transmit through

A. Hand shake
B. Kissing
C. Intimate contact
D. Hugging
Answer» D. Hugging
147.

A disease caused by Brucella species named as 'brucellosis' is also named as

A. Fever
B. Undulant Fever
C. Haemorrhagic fever
D. Cold fever
Answer» C. Haemorrhagic fever
148.

'Erythrasma' is caused by

A. Citrobacter
B. Corynebactterium minutissimum
C. Erwinia
D. Ehrlichia
Answer» C. Erwinia
149.

'Genus chryseobacterium' is also known as

A. Eikenella
B. Citrobacter
C. Edwardsiella
D. Flavobacterium
Answer» E.
150.

Plasmids that encode beta-lactamase, have speciality of around about 90 percent of

A. S. aureus
B. S. pyogene
C. Bacilli
D. Diplococcus
Answer» B. S. pyogene