Fungi and Viruses, Antiseptics and disinfectants MCQ with answers

Identify the term that can describe a disinfectant that can inhibit the growth of fungi:
fungistatic
microbiostatic
microbicidal
fungicidal

Answer: fungistatic

Any process that destroys the non-spore-forming contaminants on inanimate objects is:
sterilization
degermation
Disinfection
Antisepsis

Answer: Disinfection

_________ exhibit yeast-like growth at human body temperatures and mold-like growth at room temperature.
Dimorphic fungi
Black bread molds
Sac fungi
Water molds

Answer: Dimorphic fungi

Fungi ………..
are photosynthetic
are prokaryotic cells
have cell walls of peptidoglycan
secrete extracellular enzymes

Answer: secrete extracellular enzymes

Fungi are important in the production of all of the following commercial products except
bread
beer
cheese
rubber

Answer: rubber

Fungi are generally not
multicellular
containing cell walls
photosynthetic
spore-producing

Answer: photosynthetic

Viruses require __________ for growth.
bacteria
plants
animals
living cells

Answer: living cells

The size of viruses is usually measured in
centimeters
micrometers
nanometers
millimeters

Answer: nanometers

Cultivation of viruses include cultivation in
Embryonated eggs
Nutrient broth
Fluid thioglycoate
Blood agar

Answer: Embryonated eggs

Lytic cycle involve intracellular multiplication of _______
Bacteria
Phages
Fungi
Yeast

Answer: Phages

Alcohol act as a disinfectant by _____
Producing toxins
Protein denaturation
Membrane lysis
Coagulation

Answer: Protein denaturation

_____ is a test for the evaluation of disinfectant
Antimicrobial assay
Test for sterility
Phenol coefficient method
IMViC

Answer: Phenol coefficient method

Dimorphism is characteristic of
Bacteria
Fungi
Virus
Motile bacteria

Answer: Fungi

An example of yeast is ________
Aspergillus
Saccharomyces
Streptomyces
Penicillium

Answer: Saccharomyces

Test for sterility is intended to detect the presence of ______
Dust particles
Particulate impurity
Viable microorganisms
Chemical impurity

Answer: Viable microorganisms

_______ is the media used for the growth of fungi in Test for sterility
Soyabean casein digest medium
Fluid thioglycollate medium
Nutrient broth
Nutrient agar

Answer: Soyabean casein digest medium

________ is used for turbid products in Test for sterility
Alternate thioglycollate medium
Fluid thioglycollate medium
Nutrient agar
Nutrient broth

Answer: Alternate thioglycollate medium

Which of the following disinfectants acts by disrupting microbial membranes?
Cationic detergents
Sterilizing gases
Halogens
Aldehydes

Answer: Cationic detergents

Select the statement that does not apply to the kingdom Fungi
The fungi are eukaryotic, multicellular, ingestive heterotrophs
Some fungi form beneficial interrelationships with plants
The fungal life cycle typically includes a spore stage
Certain fungi are natural sources of antibiotic substances

Answer: The fungi are eukaryotic, multicellular, ingestive heterotrophs

Fungi are important to food webs because
they are photoautotrophs
they have prokaryotic cell structure
they serve as key decomposers of dead organic matter
they generate antibiotics that kill competing plants and animals

Answer: they serve as key decomposers of dead organic matter

The first step in infection of a host bacterial cells by a phage is
adsorption
release
penetration
replication

Answer: adsorption

Inoculation in _________ provide rich yield of influenza like viruses
Allantoic cavity
Yoak sac
Shell membrane
Air sac

Answer: Allantoic cavity

Helical viruses resemble to ________
Long rods*
Hexagone
Spherical shape
Comma shape

Answer:

Ingestion of DNA into bacterial cell by virus is also called as ________
Penetration
Biosynthesis
Attachment
Maturation

Answer: Penetration

Process of assembly of phages from its component is called _______
Penetration
Maturation*
Release
Attachment

Answer:

Disruption of cell wall of bacteria is a mechanism of ______
Alcohol
Phenol
Crystal violet
Glutaraldehyde

Answer: Phenol

___ % concentration of Phenol work as a disinfectant
0.5-5
5-10
12.5
15-20

Answer: 0.5-5

Liquid parenterals can be sterilised by _____
Membrane filtration
Direct inoculation
Cup plate
Streak plate

Answer: Membrane filtration

Test for sterility is important for _______
Parenteral preparation
Elixirs
Liniments
Lotions

Answer: Parenteral preparation

Chemical Indicator used in sterilisation is ______
Heat sensitive tape
Spores of B subtilis
Bubble point pressure test
Master process record

Answer: Heat sensitive tape

Pyrogen is a ________
Fever producing substance
Acid fast bacteria
Capsule forming bacteria
Motile bacteria

Answer: Fever producing substance

_______ is most frequently associated with human diseases
Candida repsium
Candida amuns
Candida albicans
Candida keryta

Answer: Candida albicans

The fungal cell wall is not sensitive to penicillin because it does not contain _____
Chitin
Cholesterol
Techoic acid
Peptidoglycan

Answer: Peptidoglycan

The physical indicator used in sterilisation is ______
Master process record
Royche sachet
Witness tube
Spores of B subtilis

Answer: Master process record

In order for a virus to replicate
the capsid must enter the host cell cytoplasm
the host cell must be undergoing mitosis
the genome must be released in the cytoplasm
the host cell must lack a cell membrane

Answer: the genome must be released in the cytoplasm

Microbiology MCQ with answers:

Second Year B Pharm Notes, Syllabus, Books, PDF Subjectwise/Topicwise

S Y B Pharm Sem III	S Y B Pharm Sem IV
BP301T Pharmaceutical Organic Chemistry II Theory	BP401T Pharmaceutical Organic Chemistry III Theory
BP302T Physical Pharmaceutics I Theory	BP402T Medicinal Chemistry I Theory
BP303T Pharmaceutical Microbiology Theo	BP403T Physical Pharmaceutics II Theory
BP304T Pharmaceutical Engineering Theory	BP404T Pharmacology I Theory
BP305P Pharmaceutical Organic Chemistry II Practical	BP405T Pharmacognosy I Theory
BP306P Physical Pharmaceutics I Practical	BP406P Medicinal Chemistry I Practical
BP307P Pharmaceutical Microbiology Practical	BP407P Physical Pharmaceutics II Practical
BP308P Pharmaceutical Engineering Practical	BP408P Pharmacology I Practical
	BP409P Pharmacognosy I Practical