1. | fibrous joints called as sutures that do not allow any mobility. |
2. | cartilaginous syndesmoses that allow limited mobility. |
3. | synovial joints where the elatin protein connects the two articulating bones and allow free movements. |
4. | fibrous joints called as gomphosis. |
I. Sliding or rotation | A |
II. Breaking of cross bridge | B |
III. Formation of cross bridge | C |
I | II | III | |
1. | B | A | C |
2. | B | C | A |
3. | A | B | C |
4. | C | A | B |
A. | Locomotion requires a perfectly coordinated activity of the muscular and skeletal system only. |
B. | Macrophages as well as erythrocytes in blood move using pseudopodia formed by the streaming of protoplasm. |
C. | Movement of tongue uses contractile property of muscles. |
D. | Methods of locomotion performed by animals vary with their habitats and the demand of the situation. |
1. | Multiple sclerosis | 2. | Rheumatoid arthritis |
3. | Muscular dystrophy | 4. | Myasthenia gravis |
I: | Human ribs are dicondylic |
II: | A represents the vertebra-sternal ribs |
III: | B represents the vertebra-chondral ribs |
IV: | C are the false ribs |
V: | The costal cartilages shown are hyaline cartilages |
1. | Only I | 2. | Only II, III and IV |
3. | Only II and III | 4. | Only I and IV |
I: | The joint in figure A is called as the saddle joint. |
II: | The joint in figure B is the largest ball and socket joint in human body. |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
I: | A is a part of the pectoral girdle and is commonly called as the collar bone. |
II: | B is the scapula, a part of the pectoral girdle, which directly articulates with the breast bone, sternum. |
III: | C represents carpal bones and the type of synovial joint seen between them is the saddle joint. |
IV: | D is the coxal bone and three such bones fuse to form the pelvic girdle. |
V: | |
VI: |
1. | I and V only | 2. | I, V and VI only |
3. | II, III and IV only | 4. | II, IV and VI only |