Q61
Haversian canals occur in
Correct Answer
Option A
Solution
(a) Haversian canals are microscopic tunnels in cortical bone of humerus housing nerves and capillaries.
Locomotion and Movement
Q62
Extremities of long bones possess cartilage
Correct Answer
Option D
Solution
(d) Hyaline (articular) cartilage covers joint surfaces of long bones, absorbing compression forces.
Q63
Number of cervical vertebrae in camel is
Correct Answer
Option C
Solution
(c) All mammals have exactly 7 cervical vertebrae — camel, whale and all others.
Q64
A deltoid ridge occurs in
Correct Answer
Option D
Solution
(d) Deltoid ridge is present along the ventral side of humerus as attachment for deltoid muscle.
Q65
The number of floating ribs in the human body is
Correct Answer
Option D
Solution
(d) Two pairs of floating ribs (11th and 12th) are not attached to sternum.
Q66
The joint found between sternum and the ribs in humans is
Correct Answer
Option C
Solution
(c) Cartilaginous joint (costal cartilage) connects ribs to sternum, allowing limited movement.
Q67
What will happen if ligaments are cut or broken?
Correct Answer
Option C
Solution
(c) Ligaments connect bones; if cut, bones become unfixed at joints.
Q68
ATPase enzyme needed for muscle contraction is located in
Correct Answer
Option C
Solution
(c) ATPase is located in the myosin cross-bridge heads; it hydrolyzes ATP to power contraction.
Q69
An acromion process is characteristically found in the:
Correct Answer
Option B
Solution
(b) Acromion process is a spine-like projection of the scapula (pectoral girdle) for clavicle articulation.
Q70
Which of the following pairs is correctly matched?
Correct Answer
Option B
Solution
(b) Gliding joint is found between the pre and post zygapophyses of adjacent vertebrae.
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