Q. No.
The figure is of rib cage. Identify A, B and C respectively:
1. Coccyx, ribs, vertebral column
2. Sternum, ribs, vertebral column
3. Scapula, ribs, vertebral column
4. Tarsal, ribs, vertebral column
Number of bone in each upper limb is:
1. 1, 1, 1
2. 8, 5, 14
3. 2, 2, 2, 16, 10, 28
4. 1, 1, 1, 8, 5, 14
Joint between bones in the form of sutures of human skull is a:
| 1. | Hinge joint | 2. | Synovial joint |
| 3. | Cartilaginous joint | 4. | Fibrous joint |
Read the following A to D statements and select the option that contains both correct statements:
| A: | Z-line is present in the centre of the light band. |
| B: | Thin filaments are firmly attached to the M-line. |
| C: | The central part of thick filaments, not overlapped by thin filaments is called Z-band. |
| D: | Light band contains only thin filaments. |
1. A and D
2. B and C
3. A and C
4. B and D
Put the following phrases in proper order to describe what occurs at the neuromuscular junction to trigger muscle contraction:
| I. | Receptor sites on sarcolemma. |
| II. | Nerve impulse. |
| III. | Release of Ca+2 from sarcoplasmic reticulum |
| IV. | The neurotransmitter acetylcholine is released |
| V. | Sarcomere shorten |
| VI. | Synaptic cleft |
| VII. | Spread of impulses over sarcolemma on T-tubules |
1. II, IV, I, VI, VII, III, V
2. II, IV, VI, I, VII, III, V
3. I, II, III, IV, V, VI, VII
4. VII, VI, V, IV, III, II, I
The above figure is related with myosin monomer (meromyosin). Identify A to C:
1. A - head, B - cross arm, C - GTP binding sites
2. A - head, B - cross arm, C - Ca+2 binding sites
3. A - head, B - cross arm, C - ATP binding sites
4. A - cross arm, B - head, C - ATP binding sites
Following is the figure of actin (thin) filaments. Identify A, B and C:
1. A - Tropomyosin, B - Troponin, C - F-actin
2. A - Troponin, B - Myosin, C - Tropomyosin
3. A - Troponin, B - Tropomyosin, C - Myosin
4. A - Troponin, B - Tropomyosin, C - F-actin
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