Biology · General Awareness
Skeletal and Muscular System
1,098 Questions
The skeletal and muscular system is a core topic in human biology. It covers the structure and function of bones, joints, and muscles. These concepts frequently appear in general science sections of various competitive exams. Master this topic to score higher.
Types of jointsHuman body bonesSkeletal fracturesMuscle anatomy
Skeletal and Muscular System Questions
-
a bone with another bone
-
a muscle with a bone
-
a nerve with a muscle or bone
-
a muscle with a muscle
B
Correct answer
Explanation
A tendon is a fibrous connective tissue that attaches muscle to bone, enabling movement.
-
ribs and thoracic vertebrae
-
ribs, sternum and thoracic vertebrae
-
ribs and sternum
-
ribs, sternum and lumbar vertebrae
B
Correct answer
Explanation
Thoracic cage of man is formed by ribs. sterum and thoracic vertebrae. Ribs are found articulating with the thoracic vertebrae.
-
Jugal
-
Articular
-
Quadrate
-
Hyomandibular
C
Correct answer
Explanation
There are three auditory ossicles in the middle ear. Malleus (hammer shaped), incus (anvil shaped) and stapes (stirrup shaped). Stapes is the smallest bone in the body. Malleus, incus and stapes are modification of articular, quadrates and hyomandibular bones respectively.
-
membrane bone
-
dermal bone
-
sesamoid bone
-
cartilage
C
Correct answer
Explanation
The bone formed by the ossification of a tendon is called sesamoid bone.
-
Humerus and pectoral girdle
-
Femur and pelvic girdle
-
Tibia and fibula
-
Humerus and ulna
D
Correct answer
Explanation
A hinge joint (ginglymus) is a bone joint in which the articular surfaces are molded to each other in such a manner as to permit motion only in one plane.The best examples of ginglymoid joints are the interphalangeal joints of the hand and those of the foot and the joint between the humerus and ulna.
-
a nerve
-
a muscle
-
a blood vessel
-
the smallest bone in the human body
A
Correct answer
Explanation
The funny bone is not a bone at all, but the ulnar nerve, which runs near the elbow joint and causes a tingling sensation when struck.
-
back bone
-
thigh bone
-
stirrup
-
hip bone
B
Correct answer
Explanation
The femur, or thigh bone, is the longest and strongest bone in the human body.
-
bone marrow
-
hyaline cartilage
-
bone matrix
-
calcified cartilage
A
Correct answer
Explanation
Running along the length and present in the wall of bone, there are a number of longitudinal canals called the Haversian canals, which are interconnected by a number of small transverse and oblique canals called Volkmann's canals.
-
base of cranium
-
floor of cranium
-
dorsal side of cranium
-
dorsolateral side of cranium
B
Correct answer
Explanation
Parasphenoid bone is a flattened and inverted T-shaped bone, which forms the floor of cranium.
-
brain
-
nucleus
-
intervertebral disc
-
liver
C
Correct answer
Explanation
Nucleus pulposes is the central soft part of intervertebral disc representing remains of notochord (shock absorber).
-
pivot joint
-
hinge joint
-
gliding joint
-
ball and socket joint
B
Correct answer
Explanation
In hinge joint, the convex surface of one bone fits into the concave surface of another bone, e.g. knee, elbow and interphalangeal joints.
-
axis
-
atlas
-
sacrum
-
thoracic vertebra
B
Correct answer
Explanation
A transverse ligament is found in atlas. It divides the neural foramen of atlas into a smaller anterior (front) odontoid fossa and a posterior, larger vertebral foramen.
-
I is correct
-
II is correct
-
III is correct
-
I is incorrect
C
Correct answer
Explanation
Osteoporosis is a disease, in which bones loses minerals and fibres from its matrix. Imbalances of hormones like calcitonin, parathyroid and sex hormones, deficiencies of calcium and vitamin-D are the main causes of osteoporosis.
C
Correct answer
Explanation
Each arm consists of 30 bones, one humerus, one radius, one ulna, eight carpal bones, five metacarpal bones and fourteen phalanges bones, i.e. 1 + 1 + 1 + 8 + 5 + 14 = 30.