A. Zinc Phosphate cement
B. Zinc oxide equgenol cement
C. Zinc silicophosphate cement
D. Zinc polycarboxylate cement
✅ The correct answer is option B. Zinc oxide equgenol cement.
43. The inferior surface of the heart is formed by_________________?
A. Right and left ventricle
B. Right atrium and ventricle
C. Interventricular septum
D. I.V.C. and right ventricle
✅ The correct answer is option A. Right and left ventricle.
42. Foramen caecum is seen in____________?
A. Ethmoid Bone
B. Tongue
C. Sphenoid
D. A and B
✅ The correct answer is option D. A and B.
173. Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?
A. Due to deposition of cementum and bone
B. Down growths of gingival epithelium
C. Gingival cysts formed from cell rests
D. Reversal of function of horizontal and oblique fibres
✅ The correct answer is option A. Due to deposition of cementum and bone.
The vitamin that facilitates iron absorption____________?
A. Folic acid
B. Ascorbic acid
C. Biotin
D. Para amino benzoic acid
✅ The correct answer is option B. Ascorbic acid.
51. External auditory meatus develops from___________________?
A. Dorsal part of 1st ectodermal pouch
B. Dorsal part of 2nd cleft
C. Dorsal part of 3rd ectodermal pouch
D. Sixth branchial arch
✅ The correct answer is option A. Dorsal part of 1st ectodermal pouch.
50. Hyperacusis is due to the damage to which of the following muscles ________________?
A. Orbicularis oris
B. Styloglossus
C. Stylopharyngeus
D. Stapedius
✅ The correct answer is option D. Stapedius.
During phagocytosis, the metabolic process called respiratory burst involves the activation of_____________?
A. Oxidase
B. Hydrolase
C. Peroxidase
D. Dehydrogenase
✅ The correct answer is option A. Oxidase.
Deficiency of vitamin C causes the following except_______________?
A. Defective collagen synthesis
B. Soft swollen gums
C. Pigeon chest
D. Subcutaneous & other hemorrhage
✅ The correct answer is option C. Pigeon chest.
197. The enamel of the posterior teeth is thickest at____________?
A. Cervical third of buccal surface
B. Middle third of buccal surface
C. Middle third of lingual surface
D. Occlusal surface
✅ The correct answer is option D. Occlusal surface.