A. Extracellular infectious virus particle
B. Smallest virus
C. A smallest particle similar to virus
D. None of the above
✅ The correct answer is option Extracellular infectious virus particle.
719. In falciparum malaria, causes of anemia are due to all except__________________?
A. Hemolysis
B. Malabsorption
C. Spleen sequestration
D. Bone marrow depression
✅ The correct answer is option Malabsorption.
754. Pathogenesis of diphtheria is attributed to__________________?
A. Invasion
B. Endotoxin
C. Exotoxin
D. Capsule
✅ The correct answer is option Exotoxin.
750. Which one of the following enteric organisms is anaerogenic and non motile ?
A. Shigella sonnei
B. Salmonella typhi
C. Proteus mirabilis
D. Klebsiella pneumonia
✅ The correct answer is option Shigella sonnei.
745. Spores are disinfected by_______________?
A. Glutaraldehyde
B. Betapropiolactone
C. Formaldehyde
D. Hexachlorophen
✅ The correct answer is option E. Both A & C.
741. Techoic acid is present in_____________?
A. Cell wall of Gram positive organisms
B. Cell wall of Gram negative organisms
C. Cytoplasm of Gram positive organisms
D. Cytoplasm of Gram negative organisms
✅ The correct answer is option Cell wall of Gram positive organisms.
735. All are true about Entamoeba histolytica except________________?
A. Cysts are 8 nucleated
B. Cysts are 4 nucleated
C. Trophozoites colonise in the colon
D. The chromatid bodies are stained by iodides
✅ The correct answer is option Cysts are 8 nucleated.
730. For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____________?
A. Lag phase
B. Death phase
C. Stationary phase
D. Logarithmic phase
✅ The correct answer is option Logarithmic phase.
728. Interferon interferes with replication of virus at the time of_____________?
A. Protein synthesis
B. DNA/RNA replication
C. When virus enters the cell
D. Uncoating of the virus proteins capsule
✅ The correct answer is option Protein synthesis.
722. Viruses can be isolated from clinical samples by cultivation in the following except_______________?
A. Tissue culture
B. Embryonated eggs
C. Animals
D. Chemically defined media
✅ The correct answer is option Chemically defined media.