A. Ectoderm, mosoderm
B. Ectoderm
C. Mesoderm
D. Ectoderm and endoderm
✅ The correct answer is option A. Ectoderm, mosoderm.
381. The most common sequence of eruption of the permanent maxillary teeth in children is_______________?
A. 1-6-2-3-4-7-5-8
B. 2-3-1-6-7-5-4-8
C. 6-1-2-4-3-5-7-8
D. 6-1-2-3-4-5-7-8
✅ The correct answer is option C. 6-1-2-4-3-5-7-8.
Ketone bodies are normally synthesized from______________?
A. Acetyl-CoA
B. Glucose
C. Glycerol
D. Acetone
✅ The correct answer is option A. Acetyl-CoA.
355. Each of the following can cause food poisoning except________________?
A. Cl. difficile
B. Staphylococcus
C. Cl. welchii
D. Cl. botulinum
✅ The correct answer is option Cl. difficile.
350. In HIV, gp 120, envelope glycoproteins bind specifically to______________?
A. CD8 T-cells
B. CD4 T-cells
C. B – cells
D. NK – cells
✅ The correct answer is option CD4 T-cells.
346. Serum sickness syndrome is an example of________________?
A. Anaphylactic
B. Angioneurotic edema
C. Cell-mediated immunity
D. Systemic arthus reaction
✅ The correct answer is option Systemic arthus reaction.
341. Incubation pariod of herpes zoster is________________?
A. 7-14 days
B. 1 months
C. 1-2 years
D. 3-6 months
✅ The correct answer is option 7-14 days.
336. The mechanism by which most fungi caused disease is ________________?
A. exotoxin production
B. lecithinase production
C. hypersensitivity
D. Coagulase production
✅ The correct answer is option hypersensitivity.
330. The cell wall deficient bacteria_______________?
A. Rickettsiae
B. Mycoplasma
C. Chlamydiae
D. Ehrlichiae
✅ The correct answer is option Mycoplasma.
325. Portal of entry of poliovirus in mainly_______________?
A. Gastrointestinal tract
B. Nasal mucosa
C. Lung
D. Skin
✅ The correct answer is option Gastrointestinal tract.