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

Multiple choice

Where does the root of the nail lie?

  1. Nail plate

  2. Nail sinus

  3. Nail bed

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

The root of the nail lies at nail sinus, i.e. the base of nail underneath the skin.

Multiple choice

How are bones affected by Vitamin - D deficiency?

  1. It affects the repair of bone.

  2. It affects the phosphorus levels of bones.

  3. It affects absorption of calcium by the bones.

  4. It leads to loss of calcium by the bone.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vitamin D deficiency affects the absorption of calcium by bones leading to weak and soft bones.

Multiple choice

The sagittal and coronal sutures meet at the

  1. pterion

  2. Glabella

  3. Lambda

  4. Bregma
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is a point on the surface of the skull at the junction of the coronal and sagittal sutures. Here the coronal suture is intersected perpendicularly by the sagittal suture.

Multiple choice

The sella turcica is a part of

  1. sphenoid bone

  2. ethmoid bone

  3. nasal bones

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

The sella turcica is found on the surface of the sphenoid bone. It is a structure in the skull that supports the pituitary gland.

Multiple choice

Match the following joints with their locations?

 
a. Pivot joint 1. Knee
b. Hinge joint 2. Shoulder
c. Balland socket joint 3. Neck
4. Elbow

  1. a <span style="font-family:" arial;="" font-size:="" small;="">- 1, b <span style="font-family:" arial;="" font-size:="" small;="">- 2, c <span style="font-family:" arial;="" font-size:="" small;="">- 3 & 4

  2. a <span style="font-family:" arial;="" font-size:="" small;="">- 3, b <span style="font-family:" arial;="" font-size:="" small;="">-1 & 4, c <span style="font-family:" arial;="" font-size:="" small;="">- 2

  3. a <span style="font-family:" arial;="" font-size:="" small;="">- 1 & 4, b <span style="font-family:" arial;="" font-size:="" small;="">- 3, c <span style="font-family:" arial;="" font-size:="" small;="">- 2

  4. a <span style="font-family:" arial;="" font-size:="" small;="">- 1, b <span style="font-family:" arial;="" font-size:="" small;="">- 2 & 4, c <span style="font-family:" arial;="" font-size:="" small;="">- 3

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pivot joints are present in neck, hinge joint is present in knee and elbow, and Ball and socket joints are present in hip and shoulder.

Multiple choice

Which kind of joints is found in knee?

  1. Pivot

  2. Hinge

  3. Ball and socket

  4. Fixed

  5. Partially movable

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Hinge joint allows movement only in one direction. For example the knee and elbow can bend and straighten, but cannot rotate.

Multiple choice

Axial skeleton consists of ________________ bones and the skull has __________ bones.

  1. 80, 14

  2. 206, 22

  3. 80, 8

  4. 206, 14

  5. 80, 22
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, it is correct. Axial skeleton consists of 80 bones distributed along the main axis of the body. The skull is composed of two sets of bones – cranial and facial, that totals to 22 bones. Axial skeleton consists of 80 bones distributed along the main axis of the body. The skull is composed of two sets of bones – cranial and facial, that totals to 22 bones.