The longest bone of the body is
| 1. | Phalanges | 2. | Tarsal |
| 3. | Femur | 4. | Metatarsal |
Which of the following muscles act involuntarily?
(a) Striated muscles
(b) Smooth muscles
(c) Cardiac muscles
(d) Skeletal muscles
1. (a) & (b)
2. (b) & (c)
3. (c) & (d)
4. (a) & (d)
Low Ca2+ in the body fluid may be the cause of
1. Angina pectoris
2. Gout
3. Tetany
4. Anemias
Which one of the following joints would allow no movement?
1. Ball and socket joint
2. Fibrous joint
3. Cartilaginous joint
4. Synovial joint
Streaming of cytoplasm/cyclosis is seen in:
1. Amoeba
2. Macrophages
3. Leucocytes
4. All are correct
Which of the following statements is correct?
| 1. | Cytoplasmic streaming helps in pseudopodia formation or amoeboid movement |
| 2. | Cytoplasmic streaming is caused by contracting microfilament |
| 3. | Both (1) and (2) |
| 4. | Locomotion is not a voluntary movement |
Which of the following statements about visceral muscles is correct?
| 1. | They are non-striated muscles (smooth muscles) |
| 2. | They are involuntary muscles |
| 3. | They have various functions |
| 4. | All are correct |
Cardiac/head muscles are:
| 1. | Striated and involuntary |
| 2. | Branched |
| 3. | Not fatigued |
| 4. | All are correct |
Contractile fibrils of muscles are called:
| 1. | Neurofibrils | 2. | Collagen fibres |
| 3. | Myofibrils | 4. | Yellow fibres |
Match Column-I with Column-II:
| Column-I | Column-II | ||
| A. | Structural and functional unit of a myofibril | I. | H-zone |
| B. | The protein of thin filament | II. | Myosin |
| C. | The protein of thick filament | III. | Sarcomere |
| D. | The central part of thick filament not overlapped by thin filament | IV. | Actin |
| 1. | A - I, B - II, C - III, D - IV |
| 2. | A - I, B - III, C - II, D - IV |
| 3. | A - I, B - IV, C - III, D - II |
| 4. | A - III, B - IV, C - II, D - I |