The muscle can directly use which of the following as a source of energy?
1. Creatine phosphate
2. Glucose
3. ATP
4. Fatty acids

Subtopic:  Energy for Muscle Contraction |
 85%
From NCERT
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With respect to the red muscle fiber, the white muscle fiber has higher:
1. Density of capillary network
2. Number of mitochondria
3. Amount of sarcoplasmic reticulum
4. Glycogen reserve

Subtopic:  Muscle Contraction: Other Considerations |
 87%
From NCERT
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Myasthenia gravis is an autoimmune disease in which antibodies are formed against:
1. Myelin sheath
2. Articular cartilage
3. Neuro-muscular junctions
4. Thyroid follicle

Subtopic:  Disorders of Muscular and Skeletal System |
 92%
From NCERT
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A glenoid cavity is seen in:
1. Scapula

2. Coxa

3. Humerus

4. Clavicle

Subtopic:  Appendicular Skeleton: Girdle |
 71%
From NCERT
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In the resting stage, the axonal membrane:
1. is more permeable to sodium than to potassium ions
2. is more permeable to potassium than to sodium ions
3. equally permeable to both sodium and potassium ions
4. impermeable to both sodium and potassium ions

Subtopic:  Origin of Resting Membrane Potential |
 79%
From NCERT
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Ribs 11 and 12 are called floating ribs because they
1. do not articulate with the vertebrae
2. attach only indirectly to the sternum
3. have no connection to the sternum
4. do not articulate directly with any other bone

Subtopic:  Sternum & Ribs |
 75%
From NCERT
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An acromian process is characteristically found in the -

1. Skull of frog

2. Sperm of mammals

3.  Pelvic girdle of mammals

4. Pectoral girdle of mammals

Subtopic:  Appendicular Skeleton: Girdle |
 86%
From NCERT
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Match each item in Column I with one in Column II and choose your answer from the codes given below:
       Type of joint            Example
       A. Hinge            a. First carpo-metacarpal
       B. Pivot              b. Between the carpals
       C. Gliding           c. Atlanto-axial
       D. Saddle           d. Knee joint

            A.    B.    C.     D.
    1.     d     c      b      a
    2.     c     d      b      a
    3.     c     b      d      a
    4.     d     b      a      c

Subtopic:  Synovial Joint |
 90%
From NCERT
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Bone is a _______ connective tissue, bone cells called ________ are located in spaces called ______.

1. Dense, Osteocytes, Lacunae

2. Specialized, Osteocytes, Lacumae

3. Dense, Osteoblasts, Haversian canal

4. Specialized, Osteoclasts, Haversian canal

Subtopic:  Connective Tissue |
 67%
From NCERT
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Identify the incorrectly matched pair:

      Disease                            Cause

1.  Myasthenia gravis            Antibodies against neuromuscular junction

2.  Tetany                              Hypocalcemia

3.  Osteoporosis                   Hypoparathyroidism

4.  Gout                                 Accumulation of uric acid crystals

Subtopic:  Muscle Contraction: Other Considerations |
 89%
From NCERT
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