A. Pasteurization
B. Autoclave
C. Kochs sterilizer
D. hot air oven
✅ The correct answer is option Autoclave.
973. A mother donated a kidney to her daughter having chronic renal failure, which kind of graft it represents________________?
A. Allo
B. ISO
C. Xeno
D. Auto
✅ The correct answer is option Allo.
969. Half-life of free HIV in plasma is________________?
A. 24 hours
B. 6 hours
C. 12 hours
D. 3 months
✅ The correct answer is option 6 hours.
964. Prions true is____________?
A. Readily inactivated by autoclave at 121 C
B. Evokes strong immunogenic reaction
C. Sensitive to most chemical sterilization
D. Contains DNA/ RNA
✅ The correct answer is option Readily inactivated by autoclave at 121 C.
960. First released immunoglobulin after primary immunization_______________?
A. IgD
B. IgE
C. IgG
D. IgM
✅ The correct answer is option IgM.
987. Presence of HBe Ag in Patients with hepatitis indicates_______________?
A. Simple carriers
B. Late convalescence
C. High infectivity
D. Carrier status
✅ The correct answer is option High infectivity.
983. Best method of sterilizing disposable syringes_______________?
A. Hot air oven
B. U.V. rays
C. Gamma rays
D. Boiling
✅ The correct answer is option Gamma rays.
981. Which stage of plasmodium vivax is infective to mosquito______________?
A. Sporozoite
B. Gametocyte
C. Merozoite
D. Zygote
✅ The correct answer is option Gametocyte.
977. Antigen used in Weil-Felix reaction______________?
A. E.coli
B. Haemophilus
C. Proteus
D. Staphylococcus
✅ The correct answer is option Proteus.
975. In small intestine, cholera toxin acts by______________?
A. ADP – ribosylation of the G regulatory protein
B. Inhibition of adenyl cyclase
C. Activation of GTPase
D. Active absorption of NaCI
✅ The correct answer is option ADP – ribosylation of the G regulatory protein.