The human ribs are termed as bicephalic because:

1. They have two articulations surfaces on their ventral end.

2. They have two articulations surfaces on their dorsal end.

3.  They have two articulations surfaces on their ventral end and two on the dorsal end.

4. They have two articulations surfaces on their ventral end and one on the dorsal end.

Subtopic:  Sternum & Ribs |
 60%
From NCERT
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The clavicle is articulated with the:

1. Xiphoid process of the sternum

2. Acromion of the scapula

3. Glenoid cavity of the scapula

4. Head of the humerus

Subtopic:  Appendicular Skeleton: Girdle |
 64%
From NCERT
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Hypocalcemia may lead to:-

1. Kidney stones
2. Cholelithiasis
3. Stronger muscle contractions
4. Tetany

Subtopic:  Muscle Contraction: Other Considerations |
 67%
From NCERT
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Identify the incorrectly matched pair:

      Joint                                             Type

1. Proximal radio-ulnar joint                 Pivot

2. Joint between the carpals               Gliding

3. Joint between metacarpal of           Saddle
    thumb and phalange

4. Humero-ulnar joint                         Hinge

Subtopic:  Synovial Joint |
From NCERT
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The globular head of the myosin filament has active site/s for binding to:

 I. ATP

II. the binding site for actin filament 

III. Calcium

1. Only I

2. Only I and II

3. Only II and III

4. I, II, and III

Subtopic:  Skeletal Muscle: Myofilaments |
 69%
From NCERT
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Scapula is a large triangular flat bone situated in the dorsal part of the thorax between:

1. the second and fifth ribs

2. the second and seventh ribs

3. the third and sixth ribs

4. the third and eighth ribs

Subtopic:  Appendicular Skeleton: Girdle |
 78%
From NCERT
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The combination of a neuron and the muscle fiber it associates with is called a/an.

1. fascicle

2. motor end plate

3. motor unit

4. myoneural junction

Subtopic:  Excitation Contraction Coupling I | Sliding Filament Theory |
 51%
From NCERT
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The upper ends of the forearm bones articulate with each other in a:

1. pivot joint

2. ellipsoid joint

3. saddle joint

4. hinge joint

Subtopic:  Synovial Joint |
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Which of the following is a hinge point?

1. At the base of the first metacarpal

2. Intervertebral disc

3. Interphalageal

4. Between carpal bone

Subtopic:  Synovial Joint |
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Consider the following statements:

I. A motor neuron along with the muscle fibres connected to it constitute a motor unit

II. The neurotransmitter released at the neuro-muscular junction is Acetylcholine.

III. Myosin head has ATPase activity.

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II, and III

Subtopic:  Excitation Contraction Coupling I |
 81%
From NCERT
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