A. Constitute the rest lines with in the enamel rods
B. Have high inorganic content
C. They are areas of increased porosity
D. Allow the movement of water and small ions
✅ The correct answer is option B. Have high inorganic content.
Biological activity of tocopherols has been attributed, in part to their actions as_____________?
A. Antioxidant
B. Anticoagulants
C. Provitamin
D. Antidotes for selenium poisoning
✅ The correct answer is option C. Provitamin.
2787. Major basic protein is an important constituent of which leucocyte_____________?
A. Neutrophil
B. Eosinophil
C. Basophil
D. Lymphocyte
✅ The correct answer is option B. Eosinophil.
2785. The most important function of hydrochloric acid in the stomach is_______________?
A. Destruction of bacteria
B. Neutralization of chyme
C. Activation of pepsinogen
D. Stimulation of pancreatic secretion
✅ The correct answer is option C. Activation of pepsinogen.
Which of the following is NOT a characteristic feature of allosteric enzymes ?
A. They are multienzyme complex
B. Follow Michaelis-Menton Kinetics
C. Presence of Modulator site
D. Give sigmoid shaped curve
✅ The correct answer is option B. Follow Michaelis-Menton Kinetics.
2781. Cervical cross section of maxillary first premolar is_____________?
A. Dumbell
B. Kidney shape
C. Elliptical
D. Oval
✅ The correct answer is option B. Kidney shape.
2779. The dental pulp is derived form____________?
A. Dental papilla
B. Dental sac
C. Odontoblasts
D. Stellate reticulum
✅ The correct answer is option A. Dental papilla.
2777. In jaundice, there is an unconjugated hyperbilirubinemia which is most likely due to __________?
A. Hepatitis
B. Cirrhosis
C. Obstruction of bile canaliculi
D. Increased break down of red cells
✅ The correct answer is option D. Increased break down of red cells.
2775. Serous demilunes are seen in______________?
A. Salivary glands
B. Pancreas
C. Liver
D. Gastric glands
✅ The correct answer is option A. Salivary glands.
2812. Which of the following hormones exerts the least effect on calcium metabolism of bone tissue ?
A. Anderogen
B. Estrogen
C. Nor epinephrine
D. Thyroid hormone
✅ The correct answer is option C. Nor epinephrine.