Assertion (A): A human rib cage contain two floating ribs as a whole.
Reason (R): Floating ribs are not attached with vertebrae.
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 Sternum & Ribs |Â Axial Skeleton |
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Assertion (A): A sprain is the twisting of a joint without dislocating it.
Reason (R) A strain is a less severe stretching or twisting of the joint.
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 Disorders of Muscular and Skeletal System |
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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.
Subtopic: Â Skeletal Muscle: Basic Anatomy |
 52%
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Read the following statements:
i. Scapula is situated in the dorsal part of thorax between the second and the seventh ribs
ii. The striated appearance of a myofibril is due to the distribution pattern of sarcoplasmic reticulum
iii. Myosin possess oxygen storing capacity
iv. The central hollow portion of vertebra is called neural canal
v. I-band shortens during muscle contraction
How many of the above statements are incorrect?
1. Two
2. Three
3. Four
One
Find out the true (T)/ false (F) statements and choose the correct option.
I. The most abundant skeletal muscle protein is myosin
II. The length of A-band remains unchanged during muscle contraction.
III. Ileum is a part of pelvic girdle.
IV. The biggest muscle is Gluteus maximus in the buttock and the smallest is Stapedius in the middle ear
Options
I
II
III
IV
1.
T
T
T
T
2.
T
F
T
F
3.
F
T
F
T
4.
T
T
F
T
Subtopic: Â Skeletal Muscle: Myofilaments |Â Skeletal Muscle: Sarcomere |
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Find out the true (T)/false (F) statements and choose the correct option:
I. The phosphagen in the vertebrate muscle is arginine phosphate
II. The accumulation of phosphoenol pyruvic acid in muscles cause fatigue
III. Cori cycle occurs in liver and muscle
IV. ATP is synthesised in the muscle by the phosphorylation of ADP by a phosphagen
Options
I
II
III
IV
1.
T
T
F
F
2.
F
F
T
T
3.
T
F
T
F
4.
F
T
F
F
Subtopic: Â Muscle Contraction: Other Considerations |
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Assertion (A): Smooth muscles are called striated muscles.
Reason (R): Striated muscles have a striped appearance under the microscope.
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 Introduction to Locomotion |
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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.
Subtopic: Â Skeletal Muscle: Basic Anatomy |
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Assertion (A): Actin filaments are called thin filaments.
Reason (R): They are thinner in comparison to myosin filaments.
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: Myofilaments |
 84%
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Assertion (A): Human ribs are bicephalic.
Reason (R): They have two articulation surfaces on their ventral end.
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 Axial Skeleton: I |
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