Select the correct statements regarding mechanism of muscle contraction.
A. It is initiated by a signal sent by CNS via sensory neuron.
B. Neurotransmitter generates action potential in the sarcolemma.
C. Increased Ca$$^{++}$$ level leads to the binding of calcium with troponin on action filaments.
D. Masking of active site for actin is activated.
E. Utilising the energy from ATP hydrolysis to form cross bridge.
Choose the most appropriate answer from the options given below:
Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body:
Name of muscle/location
Match List I with List II :
| 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 |
Choose the correct answer from the options given below :
Match List-I with List-II.
| List - I | List - II | ||
|---|---|---|---|
| (A) | Palm bones | (I) | Phalanges |
| (B) | Wrist bones | (II) | Metacarpals |
| (C) | Ankle bones | (III) | Carpals |
| (D) | Digit bones | (IV) | Tarsals |
Choose the correct answer from the options given below :
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