A. Tyrosine
B. Tryptophan
C. Alanine
D. Leucine
✅ The correct answer is option A. Tyrosine.
Medical
Prepare effectively with the latest Medical MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers anatomy, physiology, biochemistry, pharmacology, pathology, microbiology, forensic medicine, community medicine, and clinical skills. These Medical multiple-choice questions are designed for students, medical aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, medical entrance exams, and recruitment assessments. Strengthen your medical knowledge, improve problem-solving skills, and score higher with our updated Medical MCQs.
2422. The stage of deglutition, which is voluntary in nature _______________?
A. Stage – I
B. Stage – II
C. Stage – III
D. Stage – IV
✅ The correct answer is option A. Stage – I.
2423. The small ridges, perikymata, seen on facial surfaces of canines are the result of_____________?
A. Hyperplasia
B. Hypoplacification
C. Normal development
D. Interstitial development
✅ The correct answer is option C. Normal development.
2424. Matrix vesicles_______________?
A. Are found in mantle dentin
B. Contain collagen
C. Produce alkaline phosphatase
D. Inhibit mineralization
✅ The correct answer is option A. Are found in mantle dentin.
2425. The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?
A. Central incisors
B. Mandibular first molar
C. Mandibular second molar
D. Canines
✅ The correct answer is option B. Mandibular first molar.
2426. Secretin is secreted by_____________?
A. Duodenum
B. Pancreas
C. Liver
D. Stomach
✅ The correct answer is option A. Duodenum.
2427. Fourth canal is present in_____________?
A. Mesiobuccal roots of maxillary first molar
B. Distal root of mandibular first molar
C. Both of the above
D. None of the above
✅ The correct answer is option C. Both of the above.
2428. Which of the following is a precursor of protoporphyrin_______________?
A. Alanine
B. Leucine
C. Histidine
D. Glycine
✅ The correct answer is option D. Glycine.
2429. Enamel can act in a sense like a_______________?
A. Permeable membrane
B. Impermeable membrane
C. Semipermeable membrane
D. Infrapermeable membrane
✅ The correct answer is option C. Semipermeable membrane.
2430. Middle conchae of nose are a part of _____________?
A. Nasal Bone
B. Ethmoid
C. Vomer
D. Maxilla
✅ The correct answer is option B. Ethmoid.