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Q. No.Read the given statements with respect to skeletal muscle and select the correct option.
Statement A: The muscle bundles are bound together by a common collagenous sheath of connective tissue called fascia.
Statement B: Muscle fibre is a syncytium as the sarcoplasm contains many nuclei.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is incorrect
4. Only statement A is correct
Statement A: The muscle bundles are bound together by a common collagenous sheath of connective tissue called fascia.
Statement B: Muscle fibre is a syncytium as the sarcoplasm contains many nuclei.
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is incorrect
4. Only statement A is correct
Subtopic: Â Skeletal Muscle: Basic Anatomy |
 90%
From NCERT
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Consider the statements given below and choose the option that correctly states them as true(T) or false (F)
| (a) | Locomotion, changes of body postures and heat production are some of the functions of skeletal muscle tissue |
| (b) | Actin filaments are firmly attached to the Z-line |
| (c) | The portion of myofibril between non-consecutive 'Z' lines is called sacromere |
| (d) | Muscles constitute more than 50% of the body weight in an adult human |
| a | b | c | d | |
| 1. | T | T | T | T |
| 2. | T | F | F | T |
| 3. | T | T | F | F |
| 4. | F | T | T | T |
Subtopic: Â Introduction to Locomotion |Â Skeletal Muscle: Basic Anatomy |Â Skeletal Muscle: Sarcomere |
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Assertion (A): Visceral muscles are called involuntary muscles.
Reason (R): Visceral muscles are not under the voluntary control of the nervous system
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. (A) is false, but (R) is true.
Reason (R): Visceral muscles are not under the voluntary control of the nervous system
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. (A) is false, but (R) is true.
Subtopic: Â Skeletal Muscle: Basic Anatomy |
 88%
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Assertion (A): Skeletal muscles are called nonstriated muscles.
Reason (R): Non-striated muscles do not exhibit striations.
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. (A) is false, but (R) is true.
Reason (R): Non-striated muscles do not exhibit striations.
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. (A) is false, but (R) is true.
Subtopic: Â Skeletal Muscle: Basic Anatomy |
 89%
From NCERT
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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 II. Skeletal muscle III. Cardiac muscle |
1. Striated, voluntary 2. Non-Striated, involuntary 3. Striated, Involuntary |
Codes:
I II III
1. 1 2 3
2. 3 1 2
3. 2 1 3
4. 1 3 2
Subtopic: Â Skeletal Muscle: Basic Anatomy |
 84%
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Assertion (A): A sarcomere consists of one 'A-band' and two half 'I-band'.
Reason (R): The sheath covering the bundle of muscle fibre is called fascia.
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 sheath covering the bundle of muscle fibre is called fascia.
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: Â Skeletal Muscle: Basic Anatomy |
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Assertion (A): The sheath covering the bundle of muscle fibre is called perimysium.
Reason (R): Perimysium is a sheath of connective tissue.
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): Perimysium is a sheath of connective tissue.
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: Â Skeletal Muscle: Basic Anatomy |
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Read the following statements and choose the correct option:
A. The extensor muscles of human back reamin in sustained contraction to maintain erect posture against gravity.
B. The extensor mucles are rich red muscle fibres with abundant mitochondria and myoglobin.
1. Statement A is correct but B incorrect.
2. Statement B correct but A incorrect.
3. Statement A is correct and B are correct but B is not hte correct explanation of A.
4. Both the statements A and B are correct but B is not the correct explanation of A.
A. The extensor muscles of human back reamin in sustained contraction to maintain erect posture against gravity.
B. The extensor mucles are rich red muscle fibres with abundant mitochondria and myoglobin.
1. Statement A is correct but B incorrect.
2. Statement B correct but A incorrect.
3. Statement A is correct and B are correct but B is not hte correct explanation of A.
4. Both the statements A and B are correct but B is not the correct explanation of A.
Subtopic: Â Skeletal Muscle: Basic Anatomy |
 52%
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