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Q. No.The muscle tissue in animals is a derivative of embryonic:
1. Ectoderm
2. Mesoderm
3. Endoderm
4. Partly ectoderm and partly endoderm
Subtopic: Skeletal Muscle: Basic Anatomy |
90%
From NCERT
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Identify the correct statements:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Skeletal muscles are striated and voluntary |
| II: | Smooth muscles are striated and involuntary |
| III: | Cardiac muscles are striated and involuntary |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Skeletal Muscle: Basic Anatomy |
78%
From NCERT
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The head of the myosin myofilament has sites for:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | binding to active sites on actin myofilaments |
| II: | binding to ADP |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Skeletal Muscle: Myofilaments |
70%
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Which of the following bones will not be a part of the cranial skeleton of human skull?
| 1. | Temporal | 2. | Zygomatic |
| 3. | Parietal | 4. | Occipital |
Subtopic: Axial Skeleton: I |
80%
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Which of the following bones will not be a part of the facial skeleton of human skull?
| 1. | Ethmoid | 2. | Zygomatic |
| 3. | Mandible | 4. | Maxilla |
Subtopic: Axial Skeleton: I |
74%
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What type of synovial joint is present between atlas and axis bones in human vertebral column?
1. Pivot
2. Condyloid
3. Gliding
4. Saddle
1. Pivot
2. Condyloid
3. Gliding
4. Saddle
Subtopic: Synovial Joint |
90%
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| Assertion(A): | Red muscle fibres are adapted to sudden outburst of muscular activity. |
| Reason(R): | Red muscle fibres are extremely rich in sarcoplasmic reticulum. |
| 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 and (R) is False. |
Subtopic: Muscle Contraction: Other Considerations |
From NCERT
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A motor unit is composed of:
| 1. | a motor neuron and all of the skeletal muscle fibers innervated by the neuron's axon terminals. |
| 2. | all motor neurons and all of the skeletal muscle fibers innervated by them in a muscle. |
| 3. | a motor neuron and one skeletal muscle fiber innervated by the neuron. |
| 4. | a motor neuron and a sensory neuron. |
Subtopic: Sliding Filament Theory | Muscle Contraction: Other Considerations |
54%
From NCERT
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Consider the given two statements:
| Assertion (A): | Last 2 pairs (11th and 12th) of ribs are called floating ribs. |
| Reason (R): | Last 2 pairs (11th and 12th) of ribs are not connected both dorsally and ventrally. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Sternum & Ribs | Axial Skeleton |
77%
From NCERT
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Which regions of the adult human vertebral column is formed by fusion of some vertebrae?
1. cervical and thoracic
2. thoracic and lumbar
3. lumbar and sacral
4. sacral and coccygeal
1. cervical and thoracic
2. thoracic and lumbar
3. lumbar and sacral
4. sacral and coccygeal
Subtopic: Vertebral column | Axial Skeleton |
85%
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