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

Multiple choice

Intervertebral discs are absent in :

  1. Thoracic and sacral vertebrae

  2. Cervical and coccygeal vertebrae

  3. Sacral and coccygeal vertebrae

  4. Thoracic and lumbar vertebrae
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 They are fused vertebrae so intervertebral discs which separate vertebrae are absent

Multiple choice

Zone of maximum growth in a long bone is :

  1. Metaphysis

  2. Epiphysis

  3. Epiphyseal plate

  4. Diaphysis
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Epiphyseal plate lies between epiphysis and metaphysis and is a zone of maximum growth in a long bone

Multiple choice

The two strongest bones in human body are :

  1. Femur and ulna bones

  2. Temporal bone and mandible

  3. Temporal bone and femur

  4. Ulna and mandible bones
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Temporal bone of skull and femur are the two strongest bones in human body

Multiple choice

In skull of frog, y-shaped bone is

  1. squamosal

  2. palatine

  3. quadratojugal

  4. pterygoid
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The quadratojugal is a small jaw bone that is present in most amphibians, reptiles and birds, but has been lost in mammals. It is connected to the jugal as well as other bones, though these may vary with species.

Multiple choice

Name the hardest substance in our body.

  1. Enamel in the teeth

  2. Femur bone

  3. Ribs

  4. Vertebra
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tooth enamel is the hardest and most highly mineralized substance in the human body. It covers the outer layer of each tooth and is composed primarily of hydroxyapatite, which is a crystalline calcium phosphate.

Multiple choice

Name the smallest bone in the human body and its location.

  1. Tarsus in the little finger of the hand

  2. Tarsus in the little toe

  3. Flying rib in the thorax

  4. Stapes in the ear
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The stapes, located in the middle ear, is the smallest and lightest bone in the human body. It is involved in the conduction of sound vibrations to the inner ear.

Multiple choice

Name the longest bone in the body.

  1. Humerus

  2. Femur

  3. Radio ulna

  4. Pelvic girdle
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The femur, or thigh bone, is the longest and strongest bone in the human body. It extends from the hip to the knee and supports a significant portion of the body's weight. The humerus is the bone of the upper arm and is much shorter.

Multiple choice

In which of the following bones is the glenoid cavity present?

  1. Pelvic girdle

  2. Pectoral girdle

  3. Humerus

  4. Skull
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The glenoid cavity is a shallow depression on the scapula (shoulder blade), which is part of the pectoral girdle. It articulates with the head of the humerus to form the shoulder joint. The pelvic girdle contains the acetabulum, which serves a similar function for the hip joint.

Multiple choice

Which of the following joints is a hinge joint?

  1. Shoulder

  2. Elbow

  3. Neck

  4. Ankle
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A hinge joint allows movement in primarily one plane, similar to the opening and closing of a door. The elbow and knee are classic examples of hinge joints. The shoulder is a ball-and-socket joint, and the neck contains a pivot joint that allows rotation.