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Practice each question, then open the answer or worked solution.
Which one of the following statements is incorrect?
Ans: (c) The muscles located in the inner walls of the alimentary canal are striated and involuntary.
Explanation: These are smooth muscles which are non-striated.
Which one of the following statements is true?
Ans: (b) Head of humerus bone articulates with glenoid cavity of pectoral girdle.
Explanation: Head of humerus bone articulates with glenoid cavity of pectoral girdle which results in formation of ball and socket joints.
Muscles with characteristic striations and involuntary are
Ans: (b) Muscles of the heart
Explanation: Cardiac muscles are striated and involuntary.
Explanation: Atherosclerosis is the deposition of cholesterol in artery-
Column I | Column II |
A. Sternum | (i) Synovial fluid |
B. Glenoid cavity | (ii) Vertebrae |
C. Freely movable joint | (iii) Pectoral girdle |
D. Cartilaginous joint | (iv) Flat bones |
Options:
(a) A – (ii), B – (i), C – (iii), D – (IV)
(b) A – (IV), B – (iii), C – (i), D – (ii)
(c) A – (ii), B – (i), C – (iv), D – (iii)
(d) A – (IV), B – (i), C – (ii), D – (IV)
Ans: (b) A – (IV), B – (iii), C – (i), D – (ii)