A. Auditory tube
B. Nasal septum
C. Articular cartilage
D. Costal cartilage
✅ The correct answer is option A. Auditory tube.
624. Calcification of permanent first molar usually begins in the_____________?
A. Third month of intrauterine life
B. In the sixth month of intrauterine life
C. At birth
D. In the third month of extra uterine life
✅ The correct answer is option C. At birth.
619. Forward moment of mandible is done by_________?
A. Lateral pterygoid
B. Medial pterygoid
C. Temporalis – anterior fibers
D. Temporalis- posterior fibers
✅ The correct answer is option A. Lateral pterygoid.
616. Bile salt repeats its cycle in____________?
A. 4 times a day
B. 2 times in between meals
C. 8 times a day
D. 10 times a day in fasting
✅ The correct answer is option C. 8 times a day.
Enzymes help by____________?
A. Lowering the activation energy
B. Increasing the substrate concentration
C. Decreasing the surface tension
D. Increasing the activation energy
✅ The correct answer is option A. Lowering the activation energy.
608. The mesial contact are of the permanent canine is at the_______________?
A. Middle third
B. Junction of incisal and medial thirds
C. Junction of the middle & cervical thirds
D. None of the above
✅ The correct answer is option .
23. Outstanding clinical performance of dental amalgam restoration is related to its____________?
A. Compressive strength
B. Tensile strength
C. Corrosion
D. Creep
✅ The correct answer is option A. Compressive strength.
636. Glucagon is secreted by ____________?
A. Alpha cells of pancreas
B. Beta cells of pancreas
C. Gamma cells of pancreas
D. None of the above
✅ The correct answer is option A. Alpha cells of pancreas.
Vitamin B12 is_______________?
A. Extrinsic factor of castle
B. Intrinsic factor of castle
C. Cyano cobalamine
D. A fat soluble vitamin
✅ The correct answer is option A. Extrinsic factor of castle.
22. The chief advantage of zinc phosphate cement is its___________?
A. Good compressive strength
B. Film thickness
C. Lack of irritation
D. Low solubility
✅ The correct answer is option B. Film thickness.