The length of which of the following regions shown in the given diagram of a sarcomere remains unchanged during muscle contraction?
1. 1
2. 2
3. 7
4. 6
Elbow joint is an example of:
1. Pivot joint
2. Hinge joint
3. Glinding joint
4. ball and socket joint
Which one of the following is the correct matching of three items and their grouping category?
Items | Group | |
1. | Malleus, incus cochlea | Ear ossicles |
2. | Ilium, ischium, pubis | Coxal bones of pelvic girdle |
3. | Actin, myosin rhodopsin | Muscle proteins |
4. | Cytosine, uracil thiamine | pyrimidines |
Which of the following disorders is an outcome of irregularities in the metabolism of the nitrogenous waste?
1. Osteoporosis
2. Gouty arthritis
3. Osteoarthritis
4. Rheumatoid arthritis
Consider the following statements with two blanks X and Y and select the option which correctly fills up these blanks.
In the center of the intervertebral disc, a soft area is present called ....X.... , which is supposed to be a remnant of ....Y........ .
1. X-Nucleus pulposus, Y-Nerve cord
2. X-Centrum, Y-Noto cord
3. X-Nucleus pulposus, Y-Noto cord
4. X- Centrum, Y-Nerve cord
Total number of bones in the hind limb of a man is:
1. 14
2. 21
3. 24
4. 30
The functional unit of contractile system in striated muscle is:
1. | cross-bridge | 2. | myofibril |
3. | sarcomere | 4. | Z-band |
The joint between atlas and axis is called:
1. pivot joint
2. hinge joint
3. saddle joint
4. angular joint
Animals of class-Mammalia have:
1. seven cervical vertebrae
2. seven cranial nerve
3. single ventricular chamber
4. fourteen cervical vertebrae
Which of the following muscular disorders is inherited?
1. Botulism
2. Tetany
3. Muscular dystrophy
4. Myasthenia gravis