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

There are ____ bones in the human cranium.

  1. 8

  2. 10

  3. 11

  4. 12
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The human cranium (the part of the skull that encloses the brain) consists of 8 bones: the frontal, two parietal, two temporal, occipital, sphenoid, and ethmoid bones.

Multiple choice

Directions: Fill in the blank with the most appropriate of the given options.

The knee is ________ most other joints in the body because it cannot twist without injury.

  1. more likely to be damaged than

  2. more likely to damage

  3. more than likely to be damaged for

  4. likely to be damaged more than

  5. likely to be more damaged than
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sentence requires a comparative structure to describe the knee's vulnerability. Option A correctly uses the phrase 'more likely to be damaged than' to establish the comparison between the knee and other joints.

Multiple choice

Sigmoid notch is present in

  1. femur

  2. radius ulna

  3. tibia fibula

  4. humerus

  5. -
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The sigmoid notch (also known as the trochlear notch) is a large depression in the ulna bone that articulates with the humerus. It is a defining feature of the ulna.

Multiple choice

The parasphenoid bone in frog forms

  1. base of cranium

  2. floor of cranium

  3. dorsal side of cranium

  4. dorso lateral side of cranium

  5. -
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An unpaired parasphenoid is a dagger-shaped or inverted T-shaped bone on the ventral side that forms the floor of the cranium. It is a long and flat membraned bone.

Multiple choice

Deltoid ridge is present in

  1. humerus

  2. tibia fibula

  3. radio ulna

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

The deltoid muscle is attached to the ridge on the humerus.

Multiple choice

Pelvic girdle of rabbit consists of

  1. ileum, ischium and pubis

  2. ileum, ischium and coracoid

  3. coracoid, scapula and clavicle

  4. ileum, coracoid and scapula
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The pelvic girdle consists of two similar halves, which are known as ossa innominata. Each os innominatum is formed by three bones. The dorsal bone is known as ilium, antero-ventral bone is named as pubis and the ventral bone is called ischium.