A. Boiling at 100°C
B. Disinfection by hypochlorite solution
C. Autoclave
D. Pasteurisation
Related Mcqs:
- Spores are disinfected by_______________?
A. Glutaraldehyde
B. Betapropiolactone
C. Formaldehyde
D. Hexachlorophen
E. Both A & C - Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?
A. Capsule
B. Flagella
C. Pili
D. Mesosomes - Rapid evaluation of fungal hyphae/spores can be achieved with_______________?
A. Grocott Gomori Methenamine silver
B. Hematoxylin and Eosin
C. KOH wet mount
D. Peri-iodic Acid Schiff - Bacterial cell does not possess___________________?
A. dna
B. Ribosome
C. Mitochondria
D. Cell wall - Zero growth rate is observed during one of the phase of the bacterial growth curve______________?
A. Lag
B. Exponential growth
C. Stationary phase
D. Decline - A protoplast is best characterized as a bacterial cell______________?
A. with a cell wall but free of a capsule
B. containing a cell wall and a capsule
C. Free of a cell wall and a capsule
D. Uniquely sensitive to penicillin - The following are applicable to bacterial genoms except________________?
A. It is composed of DNA
B. It doe not contain histones
C. It is circular
D. Its DNA has both introns and extrons - Subacute bacterial endocarditis is caused by_____________?
A. Streptococcus viridans
B. Haemolytic streptococci
C. Staphylococcus aureus
D. Nisseria - Bacterial species which is protective or beneficial to the host is_______________?
A. Streptococcus sanguis
B. Porphyromonas gingivalis
C. Treponema denticola
D. Spirochetes - The viral action is differentiated from bacterial action by_________________?
A. Interferon production
B. Toxin production
C. Lymphocytes production
D. Neutrophils production
