A. Ig M
B. Ig A
C. Ig G
D. Ig D
✅ The correct answer is option Ig G.
254. The facultative anaerobic bacteria are those who are_______________?
A. Unable to grow in the presence of oxygen
B. Unable to grow in the absence of oxygen
C. Able to grow in the presence of carbon dioxide
D. Able to grow in the presence of absence of oxygen
✅ The correct answer is option Able to grow in the presence of absence of oxygen.
248. DNA covering material in a virus is called as________________?
A. Capsomere
B. Capsid
C. Nucleocapsid
D. Envelope
✅ The correct answer is option Capsid.
243. Culture medium for corynebacterium diphtheria______________?
A. Loefflers serum slope
B. Mc Conkey
C. Saborauds agar
D. Lowenstein Jensen Medium
✅ The correct answer is option Loefflers serum slope.
278. Serological study for prevalence of Hepatitis B is best done by______________?
A. Surface antigen
B. Surface antibody
C. Core antigen
D. Core antibody
✅ The correct answer is option Surface antigen.
274. Investigation of choice for invasive amoebiasis is________________?
A. Indirect hemagglutination
B. ELISA
C. Counter immune electroporesis
D. Microscopy
✅ The correct answer is option ELISA.
269. Noguchi’s medium is used for________________?
A. Bordetella
B. Brucella
C. Borrelia
D. None of the above
✅ The correct answer is option Borrelia.
264. The most primitive mode of gene transfer occurs by____________?
A. Transduction
B. Translation
C. Cell fusion
D. Conjugation
✅ The correct answer is option Conjugation.
259. The most common pathogens responsible for nosocomial pneumonias in the ICU are______________?
A. Gram positive organisms
B. Gram negative organisms
C. Mycoplasma
D. Virus infections
✅ The correct answer is option Gram negative organisms.
253. Staphylococcal food poisoning includes the following features_______________?
A. Incubation period of 24 hours
B. Requires immediate antibiotics
C. Common with dairy products
D. Heat labile enterotoxin
✅ The correct answer is option Common with dairy products.