- 1(current)
Q. No.Select the correct match for the parts labeled as A, B, C and D in the given diagram of a sarcomere:
| A | B | C | D | |
| 1. | I band | A band | H zone | M line |
| 2. | I band | H zone | M line | Z line |
| 3. | A band | I band | Z line | M line |
| 4. | H zone | I band | M line | Z line |
Subtopic: Skeletal Muscle: Sarcomere |
87%
From NCERT
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The dark and light bands seen as striations in a skeletal muscle are located on:
| 1. | Myofilaments | 2. | Muscle fiber |
| 3. | Myofibril | 4. | Motor unit |
Subtopic: Skeletal Muscle: Sarcomere |
55%
From NCERT
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The central part of the thick filaments not overlapped by the thin filaments is called as:
| 1. | A band | 2. | I band |
| 3. | H zone | 4. | Sarcomere |
Subtopic: Skeletal Muscle: Sarcomere |
88%
From NCERT
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The correct statement regarding myofibril would be:
| 1. | It is the name for a muscle cell. |
| 2. | It contains sarcoplasmic reticulum. |
| 3. | It is made up of many sarcomeres. |
| 4. | It is a bundle of muscle cells. |
Subtopic: Skeletal Muscle: Sarcomere |
From NCERT
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Subtopic: Skeletal Muscle: Sarcomere |
82%
From NCERT
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The part of the sarcomere that is composed of only myosin myofilaments is:
| 1. | A band | 2. | I band |
| 3. | M line | 4. | H zone |
Subtopic: Skeletal Muscle: Sarcomere |
60%
From NCERT
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Identify the incorrect statement regarding a sarcomere:
| 1. | Anisotropic band mainly contains myosin. |
| 2. | Isotropic band consists of actin. |
| 3. | The thick filaments are held together by an M-line. |
| 4. | Actin and myosin are arranged perpendicular to each other and also to the longitudinal axis of myofibrils. |
Subtopic: Skeletal Muscle: Sarcomere |
87%
From NCERT
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Consider the following two statements:
| Statement I: | Red fibres are ‘red’ due to large amount of myoglobin. |
| Statement II: | Red muscles are also called as aerobic muscles. |
| 1. | Both Statement I and Statement II are correct and Statement II explains Statement I |
| 2. | Both Statement I and Statement II are correct but Statement II does not explain Statement I |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Skeletal Muscle: Sarcomere |
70%
From NCERT
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- 1(current)
Q. No.
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