51. External auditory meatus develops from___________________? September 27, 2025 by Admin 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.
52. Glossopharyngeal nerve supplies posterior part of tongue because it develops from_____________? September 27, 2025 by Admin A. Hyoid arch B. Tubercuum impar C. Mandibular arch D. Hypobranchial eminence ✅ The correct answer is option D. Hypobranchial eminence.
53. Number of somatic chromosome is________________? September 27, 2025 by Admin A. 42 B. 41 C. 46 D. 44 ✅ The correct answer is option D. 44.
54. Carina in an adult is at the level of______________? September 27, 2025 by Admin A. T2 B. T3 C. T4 D. T6 ✅ The correct answer is option C. T4.
55. Facial vein communicates with the cavernous sinus through______________? September 27, 2025 by Admin A. Retromolar vein and internal jugular vein B. External jugular vein and internal jugular vein C. Internal jugular vein and retromandibular vein D. Superior ophtalmic vein and pterygoid venous plexus ✅ The correct answer is option D. Superior ophtalmic vein and pterygoid venous plexus.
56. Which of the following is a derivative of the second brachial cleft________________? September 27, 2025 by Admin A. Tympanic cavity B. Meckel’s cartilage C. Palatine tonsil D. Tongue base ✅ The correct answer is option C. Palatine tonsil.
57. Ducts of Bellini are found in_____________? September 27, 2025 by Admin A. Pancreas B. Submandibular salivary gland C. Kidney D. Liver ✅ The correct answer is option C. Kidney.
58. ‘Pterion ‘ is_____________? September 27, 2025 by Admin A. Is a point of articulation four skull bones B. Is a point where ‘bregma’ and ‘lambda ‘meet C. It is the region of the antero – lateral fontanelle merge D. Lies deep to the zygomatic arch ✅ The correct answer is option A. Is a point of articulation four skull bones.
59. The lateral lingual swellings and tuberculum impar give rise to______________? September 27, 2025 by Admin A. Anterior 1/3 of tongue B. Anterior 2/3 of tongue C. Posterior 1/3 of tongue D. Posterior 2/3 of tongue ✅ The correct answer is option B. Anterior 2/3 of tongue.
60. The structure that is closely related to the posterior end of the mylohyoid ridge is_______________? September 27, 2025 by Admin A. Lingual nerve B. Inferior alveolar nerve C. Mylohyoid nerve D. None of the above ✅ The correct answer is option A. Lingual nerve.