| I: | the ‘I’ bands get reduced | 
| II: | the ‘A’ bands retain the length | 
| Statement I: | Repeated activation of the muscles can lead to fatigue. | 
| Statement II: | Repeated activation of the muscles can lead to the accumulation of lactic acid due to anaerobic breakdown of glycogen in them. | 
| 1. | Statement I is correct; Statement II is correct | 
| 2. | Statement I is correct; Statement II is incorrect | 
| 3. | Statement I is incorrect; Statement II is correct | 
| 4. | Statement I is incorrect; Statement II is incorrect | 
| Statement I: | A single U-shaped bone called hyoid is present at the base of the buccal cavity and it provides attachment to the tongue. | 
| Statement II: | The skull region articulates with the superior region of the vertebral column with the help of two occipital condyles (dicondylic skull). | 
| I: | cervical region with 7 vertebrae | 
| II: | thoracic region with 12 vertebrae (12) | 
| III: | lumbar region with 4 vertebrae | 
| IV: | sacral (2-fused) and coccygeal (2-fused) regions | 
| Statement I: | Each rib is a thin flat bone connected ventrally to the vertebral column and dorsally to the sternum. | 
| Statement II: | Each rib has two articulation surfaces on its ventral end and is hence called bicephalic. | 
| I: | Each limb is made of 30 bones. | 
| II: | Carpals are 8 in number | 
| III: | Tarsals are 7 in number | 
| IV: | Metacarpals are 5 in number | 
| V: | Metatarsals are 4 in number | 
| I: | is a part of the pectoral girdle. | 
| II: | articulates with acromion process of scapula and with sternum | 
| III: | is commonly called the collar bone. | 
| Statement I: | Sutures are fibrous joints that do not allow any movement. | 
| Statement II: | The joint between the adjacent vertebrae in the vertebral column is a cartilaginous joint and it permits limited movements. |