
| 1. | (a) Skeletal - Triceps (b) Smooth - Stomach (c) Cardiac - Heart |
2. | (a) Skeletal - Biceps (b) Involuntary - Intestine (c) Smooth - Heart |
| 3. | (a) Involuntary - Nose tip (b) Skeletal - Bone (c) Cardiac - Heart |
4. | (a) Smooth - Toes (b) Skeletal - Legs (c) Cardiac - Heart |
| List I | List II | ||
| A. | Fibrous joints | I. | Adjacent vertebrae, limited movement |
| B. | Cartilaginous joints | II. | Humerus and Pectoral girdle, rotational movement |
| C. | Hinge joints | III. | Skull, don't allow any movement |
| D. | Ball and socket joints | IV. | Knee, help in locomotion |
| List-I | List-II | ||
| A. | Vertebrochondral Ribs | I. | IIum , Ischium Pubis |
| B. | Floating Ribs | II. | \(8^{\text {th }}, 9^{\text {th }} \text {and} ~10^{\text {th }} \text{Pairs}\) |
| C. | Scapula | III. | Acromion |
| D. | Coxal Bone | IV. | \(11^{\text {th }} \text{and} ~12^{\text {th }}~ \text {Pairs}\) |
| List-I (Type of Joint) |
List-II (Found between) |
||
| A. | Cartilaginous Joint | I. | Between flat skull bones |
| B. | Ball and Socket Joint | II. | Between adjacent vertebrae in vertebral column |
| C. | Fibrous Joint | III. | Between carpal and metacarpal of thumb |
| D. | Saddle Joint | IV. | Between Humerus and Pectoral girdle |
| Options: | A | B | C | D |
| 1. | II | IV | III | I |
| 2. | III | I | II | IV |
| 3. | II | IV | I | III |
| 4. | I | IV | III | II |
| A: | Muscle bundles are held together by collagenous connective tissue layer called fascicle. |
| B: | Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions. |
| C: | Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins. |
| D: | M line is considered as functional unit of contraction called sarcomere. |
| 1. | C and D only | 2. | A, B and C only |
| 3. | B and C only | 4. | A, C and D only |
| List-I | List-II | ||
| (A) | Palm bones | (I) | Phalanges |
| (B) | Wrist bones | (II) | Metacarpals |
| (C) | Ankle bones | (III) | Carpals |
| (D) | Digit bones | (IV) | Tarsals |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | III | I | IV |
| 2. | IV | I | II | III |
| 3. | III | IV | I | II |
| 4. | II | III | IV | I |
| Assertion (A): | Osteoporosis is characterised by decreased bone mass and increased chances of fractures. |
| Reason (R): | Common cause of osteoporosis is increased levels of estrogen. |
| 1. | (A) is not correct but (R) is correct. |
| 2. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
| 4. | (A) is correct but (R) is not correct. |
| 1. | Muscular dystrophy | An auto immune disorder causing progressive degeneration of skeletal muscle |
| 2. | Arthritis | Inflamed joints |
| 3. | Tetany | high Ca2+ level causing rapid spasms. |
| 4. | Myasthenia gravis | Genetic disorder resulting in weakening and paralysis of skeletal muscle |
Which of the following is correct statement ?
| 1. | Actin and regulatory proteins are located in thin filament. |
| 2. | Z-lines anchor myosin (thick) filament to the ends of the sarcomere. |
| 3. | Sarcoplasmic reticulum stores acetylcholine. |
| 4. | Myosin cross bridges contain calcium binding sites. |