The following are multiple choice questions (with answers) about medical knowledge.   **Question:** At 12 year age, 2nd mandibular molar will have?   (A) Crown complete with 1/3rd root, open apex   (B) Crown complete with 3/4th root,, open apex   (C) 3/4th crown completed   (D) Crown complete with 1/4th root, open apex
['(B) Crown complete with 3/4th root,, open apex <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Crown complete with 1/3rd root, open apex \n (B) Crown complete with 3/4th root,, open apex \n (C) 3/4th crown completed \n (D) Crown complete with 1/4th root, open apex <> possible answers', '  At 12 year age, 2nd mandibular molar will have? <> context@']