141. Collagen biosynthesis occurs inside the______________? A. Chondroblasts B. Odontoblasts C. Osteoblasts D. Fibroblasts ✅ The correct answer is option D. Fibroblasts.
142. Hertwig’s root sheath is formed from______________? A. Stratum inter medium B. Stellate reticulum C. Outer enamel epithelium D. Cervical loop ✅ The correct answer is option D. Cervical loop.
143. Enamel is laid down______________? A. Mainly by odontoblasts B. Mainly by ameloblasts C. Only on odontoblasts D. Only by ameloblasts ✅ The correct answer is option D. Only by ameloblasts.
144. Of the total amount of saliva secreted by all the salivary glands, about 60% is secreted by the_____________? A. Parotid glands B. Sublingual glands C. Submandibular glands D. None of the above ✅ The correct answer is option C. Submandibular glands.
145. In the tongue bitter taste is more perceived at_____________? A. Tip B. Sides C. Back D. Front ✅ The correct answer is option C. Back.
146. The cells, which are responsible for removal of bone matrix in bone resorption, are_____________? A. Osteoblast B. Fibrocytes C. Polymorphs D. Osteoclasts ✅ The correct answer is option D. Osteoclasts.
147. Haversion systems (osteons) are found primarily in the_________________? A. Spongy bone B. Periosteum C. Alveolar bone proper D. Endosteum ✅ The correct answer is option C. Alveolar bone proper.
148. Synthesis of enamel matrix proteins occurs in the________________? A. Outer enamel epithelium B. Ameloblast C. Stratum intermedium D. Stratum granulosum ✅ The correct answer is option B. Ameloblast.
149. Membrane coating granules may_____________? A. Appear as circular with an amorphous core in keratinized epithelium B. Originate from golgi system C. Packed with tonofilaments D. Helps in adhesion of fully keratinized epithelial cells ✅ The correct answer is option B. Originate from golgi system.
150. The fibroblasts associated with capillaries are__________? A. Plasma cell B. Histocytes C. Lymphocytes D. Pericytes ✅ The correct answer is option D. Pericytes.