Biology · General Awareness
Skeletal and Muscular System
1,141 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
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Skull
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Spine
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Sternum
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Rib cage
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Pelvis
D
Correct answer
Explanation
Rib cage is a cage-like structure consisting of 14 bones. It protects our lungs and heart from injury.
B
Correct answer
Explanation
Correct word is with. You can be surrounded by people, but are surrounded with inanimate objects.
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Cartilage
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Areolar tissue
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Adipose tissue
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Tendons
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Blood
D
Correct answer
Explanation
This is the correct option. Tendons are an example of dense connective tissues.
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Hollow bones
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Long bones
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Short bones
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Flat bones
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Irregular bones
A
Correct answer
Explanation
The animals that can fly have hollow bones that are called pneumatic bones.
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It provides protection to delicate organs like brain, spinal cord and lungs.
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The bone marrow serves as the centre for the production of calcium and phosphate.
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The movements of the ribs and sternum help with breathing.
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In the ear, the sound vibrations are conveyed by a set of three bones as in man.
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All of the above
B
Correct answer
Explanation
Yes, it is the correct answer. The function of bone marrow is stated incorrectly.
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white fibrous tissue is present
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disc of white fibrocartilage is present
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synovial fluid is present
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RBCs and WBCs are present
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None of these
A
Correct answer
Explanation
Yes, it is correct. At fixed joints, the bones are held firmly together and movements are not allowed in between them. At these joints, dense and tough inextensible white fibrous tissue is present.
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Ball and socket joint
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Ellipsoid joint
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Pivot joint
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Cartilaginous joint
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None of these
E
Correct answer
Explanation
Yes, it is correct. All the above given joints are either slightly movable or freely movable.
D
Correct answer
Explanation
The number of bones in a human skull or cranium is 8.
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Elbow joint
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Phalanges of toes
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Wrist bones
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Knee joint
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None of these
C
Correct answer
Explanation
Yes, it is correct. Wrist bones can glide over forearm bones. This is a biaxial joint, the articulating bones of which can glide one above the other.
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chondrocytes
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osteoblasts
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lymphocytes
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monocytes
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leucoblasts
B
Correct answer
Explanation
Bone is the hardest connective tissue. Its cells called osteoblasts lie within a matrix containing inorganic substances like calcium, phosphates and magnesium.
A
Correct answer
Explanation
Striated or skeletal muscles are typically attached to bones via tendons to facilitate movement. The tongue contains striated muscle but is unique as it doesn't attach to bones at both ends, allowing for its remarkable mobility and range of motion essential for speech, swallowing, and manipulation of food.
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Blood
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Bones
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Cartilages
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All of these
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femur
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humerus
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tibia
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fibula
A
Correct answer
Explanation
The femur extends from hip to knee, measuring approximately one-quarter of total body height. Its remarkable length and strength support body weight, enable locomotion, and provide crucial leverage for leg muscles during movement.
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Femur
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Tibia
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Fibula
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Radius
D
Correct answer
Explanation
The radius is a forearm bone connecting the elbow to the wrist, while femur, tibia, and fibula are all leg bones. The question specifically asks which is NOT a leg bone, making radius the correct answer as it belongs to the upper limb.
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Labrum
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Maxilla
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Mandible
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Labium
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Prothorax
E
Correct answer
Explanation
Yes, it is the answer as prothorax is not a part of the mouth of cockroach. It is a part of the thorax.