Q. No.Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as:
1.
Myasthenia gravis
2.
Gout
3.
Arthritis
4.
Muscular dystrophy
Match List-I with List-II
| List-I | List-II | ||
| (a) | Scapula | (i) | Cartilaginous joints |
| (b) | Cranium | (ii) | Flat bone |
| (c) | Sternum | (iii) | Fibrous joints |
| (d) | Vertebral column | (iv) | Triangular flat bone |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (ii) | (iii) | (i) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (ii) | (iii) | (iv) | (i) |
During muscular contraction which of the following events occur?
| (a) | 'H' zone disappears |
| (b) | 'A' band widens |
| (c) | 'I' band reduces in width |
| (d) | Myosin hydrolyzes ATP, releasing the ADP and Pi |
| (e) | Z-lines attached to actins are pulled inwards |
Choose the correct answer from the options given below:
1. (b), (c), (d), (e) only
2. (b), (d), (e), (a) only
3. (a), (c), (d), (e) only
4. (a), (b), (c), (d) only
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I Column II
I. Smooth muscle 1. Striated, voluntary
II. Skeletal muscle 2. Non-striated,involuntary
III. Cardiac muscle 3. Striated, involuntary
Codes:
|
I |
II |
III |
|
|
1. |
1 |
2 |
3 |
|
2. |
3 |
1 |
2 |
|
3. |
2 |
1 |
3 |
|
4. |
1 |
3 |
2 |
Match the following columns and select the correct option:
| Column-I | Column-II | ||
| (a) | Gout | (i) | Decreased levels of estrogen |
| (b) | Osteoporosis | (ii) | Low Ca++ ions in the blood |
| (c) | Tetany | (iii) | Accumulation of uric acid crystals |
| (d) | Muscular dystrophy | (iv) | Autoimmune disorder |
| (v) | Genetic disorder |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (i) | (iii) | (iv) |
| 2. | (iii) | (i) | (ii) | (v) |
| 3. | (iv) | (v) | (i) | (ii) |
| 4. | (i) | (ii) | (iii) | (iv) |
1. Muscle
2. Bone
3. Fat
4. Hair
1. Hydrolysis of ATP by the myosin head
2. binding of calcium ions to Troponin C
3. Pumping of calcium ions back to the sarcoplasmic cisternae
4. Release of acetylcholine at the neuro-muscular junction
| 1. | Hinge | 2. | Ball and socket |
| 3. | Pivot | 4. | Saddle |
1. Sphenoid
2. Maxilla
3. Ethmoid
4. Occipital
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