Q. No.Subtopic: Skeletal Muscle: Sarcomere |
98%
Level 1: 80%+
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Subtopic: Skeletal Muscle: Sarcomere |
97%
Level 1: 80%+
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Sarcolemma is the covering of
| 1. | Nerve fibres |
| 2. | Muscle fibres |
| 3. | Bone marrow |
| 4. | Liver, kidney and stomach |
Subtopic: Skeletal Muscle: Sarcomere |
94%
Level 1: 80%+
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The light band has….. and is called….
(1) Actin, A band
(2) Actin,. I band
(3) Myosin, M band
(4) Myosin, A band
Subtopic: Skeletal Muscle: Sarcomere |
93%
Level 1: 80%+
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Sarcomere is
(1) Functional unit of contraction
(2) Portion between two successive Z lines
(3) A part of myofibrils
(4) All of these
Subtopic: Skeletal Muscle: Sarcomere |
93%
Level 1: 80%+
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Consider the given two statements:
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: | Each actin (thin) filament is made of two ‘F’ (filamentous) actins helically wound to each other. |
| Statement II: | Each ‘F’ actin is a polymer of monomeric ‘G’ (Globular) actins. |
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
Subtopic: Skeletal Muscle: Basic Anatomy | Skeletal Muscle: Myofilaments | Skeletal Muscle: Sarcomere |
92%
Level 1: 80%+
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Which of the following is not a correct match?
(1) Light band - I band
(2) Dark band- H band
(3) Light band- Actin
(4) Dark band- Myosin
Subtopic: Skeletal Muscle: Sarcomere |
92%
Level 1: 80%+
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Anaerobic work becomes painful due to accumulation of
1. Ca2+ ions
2. Myosin
3. Lactic acid
4. Creatine phosphate
Subtopic: Skeletal Muscle: Sarcomere |
92%
Level 1: 80%+
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The endoplasmic reticulum, i.e., sarcoplasmic reticulum of the skeletal muscle fibres is:
| 1. | an example of RER and secretes a large number of proteins. |
| 2. | the store house of calcium ions. |
| 3. | not bound by a membrane. |
| 4. | organised into light and dark bands giving the muscle fibres a striated appearance. |
Subtopic: Skeletal Muscle: Sarcomere |
91%
Level 1: 80%+
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Assertion (A): The dark band on myofibril is anisotropic band.
Reason (R): The light band on myofibril is isotropic band.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): The light band on myofibril is isotropic band.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Skeletal Muscle: Myofilaments | Skeletal Muscle: Sarcomere |
91%
Level 1: 80%+
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