GENERAL BACTERIOLOGY AND MYCOLOGY


MIASMATIC THEORY was proposed by ……………………………………….
a. Themisson
b. Girolamo Frocaistoro
c. Thassalus
d. Hippocrates
Ans : d. Hippocrates

CONTAGION THEORY was proposed by ……………………………………….
a. Girolamo Frocaistro
b. Anton Von Leeuwenhoek
c. Athanisius Kircher
d. Francesco Redi
Ans : a. Girolamo Frocaistro

Louis Pasteur developed vaccines against the following diseases except …………………………
a. Anthrax
b. Fowl cholera
c. Tuberculosis
d. Rabies
Ans : Tuberculosis

The first person to use a solid medium for cultivating bacteria …………………………………………….
a. Louis Pasteur
b. Francesco Redi
c. Robert Koch
d. Theoder Schwann
Ans : c. Robert Koch

IVRI was established as Imperial Bacteriological laboratory in ……………………………………………………………
a. Pune ,1988
b. Muktheswar,1980
c. Pune, 1980
d. Muktheswar,1980
Ans: a. Pune,1988

Organisms lacking a rigid cell wall are included under …………………………………………………………….
a. Gracilicutes
b. Firmicutes
c. Mendosicutes
d. Tenericutes
Ans: d. Tenericutes

Gram positive bacterial cellwall in addition to peptidoglycan contains …………………………………………..
a. Mycolic acid
b. Teichioc acid
c. Muramic acid
d. Pimilic acid
Ans : b. Teichoic acid

Limkage between N-acetyl glycosamine and N- cetyl muramic acid is …………………………………………….
a. beta 1,4
b. beta 1,3
c. beta 1,2
d. beta 1,5
Ans : a. beta 1,4

Capsule and Slime layer are together known as …………………………………………
a. Endoplasmin
b. Glycocalyx
c. Exotoxin
d. Somatic antigen
Ans : b. Glycocalyx

Based on the arrangement of flagella Pseudomaonas aeuruginosa is …………………………………….
a. Peritrichous
b. Amphitrichous
c. Lophotrichous
d. Monotrichous
Ans: c. Lophotrichous

Which among the cocci organism have/has flagella?
a. Sporocercina
b. Rhodococcus
c. Planococcus
d. All the above
Ans: d. all the above

Impermeability of spore is due to ……………………………………………….
a. Poly-D-Glutamic acid
b. Calcium Dipicolinic acid
c. Thecoic acid
d. Diamino Pimilic acid
Ans: b. Calcium Dipicolinic acid

Which among the following is a diplococci?
a. Micrococci
b. Neisseria
c. Streptococci
d. Rhodococci
Ans: b. Neisseria

Feulgen staining is used to stain …………………………… which appears ………………………….. in colour.
a. Nucleoid, purple
b. Cytoplasm, blue
c. Ribosome, purple
d. volutin granules, red
Ans : a. Nucleoid, purple



Cooked meat media can be used for the culture of …………………………………..
a. Anaerobic
b. Capnophilic
c. Mesophilic
d. Thermophilic
Ans: a. Anaerobic

The method used to preserve bacteria in powder form is …………………………………..
a. Tyndallisation
b. Lyophilization
c. Deep freezing
d. Cryopreservation
Ans: b. Lyophilization

Refractive index of Canada Balsam is ………………………………..
a. 1.535
b. 1.524
c. 1.483
d. 1.460
Ans: a. 1.535

……………………………………………………… are produced by gram positive bacteria where there is complete absence of cell wall.
a. L-form
b. Spheroplast
c. Protoplast
d. Mycoplasma
Ans: c. Protoplast

Fractional sterilization was devised by ………………………………………….
a. Louis Pasteur
b. John Tyndall
c. John Snow
d. Joseph Lister
Ans: b. John Tyndall

Seitz Filter is used for filtering ………………………………………
a. Culture broth
b. Serum
c. Toxin from culture
d. Viral growth medium
Ans: b. Serum

Preservative used for serum is ………………………………..
a. Merthiolate
b. HCHO
c. 70% alcohol
d. 10% alcohol
Ans: a. Merthiolate

Garrod test is used ………………………………….
a. to evaluate virulence of bacteria
b. to check phenol coefficient
c. to check antibiotic susceptibility
d. to estimate D-value
Ans: b. to check phenol coefficient

Anaerobes cannot withstand oxygen due to lack of ………………………………….
a. Superoxide dismutase
b. Catalase
c. Peroxidase
d. both a and b
Ans: d. both a and b

Piezophiles are bacteria which can withstand great ……………………………….
a. atmospheric pressure
b. osmotic pressure
c. radiation
d. temperature
Ans: a. atmospheric pressure

Carbohydrates are added to the bacterial media at a rate of …………………………….
a. 0.5 – 2 %
b. 4 – 5 %
c. not added
d. 7%
Ans: a. 0.5 – 2 %