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 evs our skeletal system and the skin bones and movements joints in the human body joints bones

The joint between carpal and metacarpal of thumb in primate mammals is

  1. Pivot joint

  2. Hinge joint

  3. Ball and Socket joint

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

There are six types of synovial joints. These are a pivot, hinge, saddle, plane, condyloid, and ball and socket joints. The pivot joint is a type of synovial joint that allows rotation. The joint between atlas and axis is pivot joint which allows the movement of the head back and forth. The hinge joint is a type of synovial joint which allows movement only in one axis, that is flexion and extension. Knee joint, ankle joint are examples of the hinge joint. Ball and socket joint allows rotation in multiple directions. In this type of joint, ball-shaped surface of one joint lies in the socket-like depression of another joint. The hip joint is an example of ball and socket joint. Saddle joint is the joint present between the carpal and metacarpal of thumb. It allows flexion, extension, adduction, abduction and circumduction movements. It provides stability and flexibility to bones.

Thus, the correct answer is option D.

Multiple choice evs our skeletal system and the skin bones and movements joints in the human body joints bones

The opening and closing of a door can be related to which of the following types of joints?

  1. Hinge joint

  2. Fixed joint

  3. Ball and socket joint

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • A joint is the part of the body where two or more bones meet to allow movement.
  • Hinge joint- the two bones open and close in one direction only (along one plane) like a door, such as a knee and elbow joints.
  • Hence The opening and closing of a door can be related to Hinge joint.
  • So, the correct answer is 'Hinge joint'.
Multiple choice evs our skeletal system and the skin bones and movements joints in the human body joints

Total number of skull skeleton bones in human are

  1. 29

  2. 49

  3. 39

  4. 19
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The human skull is a bony structure that supports the face and creates a cavity for the brain and protects it. The skull is made up of 8 cranial bones, 14 facial bones and 6 middle ears and 1 hyoid bones. So, the total number of bones in the skull are 29 bones.

Multiple choice evs our skeletal system and the skin bones and movements joints in the human body joints

Which of the following is made up of a single bone in a mammal?

  1. Carpals

  2. Hyoid

  3. Upper jaw

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The lower jaw of mammals consists of only one bone, the dentary whereas jaws of other vertebrates are composed of more than one bone. This bone joins the skull at the squamosal bone. This anterior bone of the lower jaw bears the teeth. Hence option A is correct.

Multiple choice evs our skeletal system and the skin bones and movements joints in the human body joints

Which of the following does not have corresponding bones?

  1. Pelvic and pectoral girdle

  2. Atlas and coccyx

  3. Carpals and tarsals

  4. Humerous and femur
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The atlas ($C _1$) is the most superior (first) cervical vertebra of the spine. The atlas's chief peculiarity is that it has no body. It is ring like and consists of an anterior and a posterior arch and two lateral masses. The coccyx commonly referred to as the tailbone is the final segment of the vertebral column in humans and apes. It comprises of three to five separate or fused coccygeal vertebrae below the sacrum. As, both atlas and coccyx are the two first and last bones respectively of the vertebral column they do not have corresponding bones.

So, the correct answer is 'Atlas and coccyx'

Multiple choice evs our skeletal system and the skin bones and movements joints in the human body joints

Find out the correct order of number of bones in the parts of skull such as cranial bone, facial bone, hyoid bone and middle ear bone respectively

  1. 14, 8, 1 and 3

  2. 3, 8, 14 and 1

  3. 14, 8, 3 and 1

  4. 8, 3, 14 and 1

  5. 8, 14, 1 and 3
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Of the 206 bones in the human body, 22 bones are in the skull. The skull consists of 8 cranial bones and 14 facial bones. The hyoid bone (lingual bone) is a horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage. The middle ear contains three tiny bones known as the ossicles: malleus, incus, and stapes.

Multiple choice evs our skeletal system and the skin bones and movements joints in the human body joints

Which of following helps in rotation of the neck?

  1. Atlas

  2. Axis

  3. Cervical

  4. Occipital condyle of skull
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

There are 7 cervical vertebrae, $C _1$ - $C _7$.  First cervical vertebrae, i.e., atlas and second cervical vertebrae, i.e., axis, and seventh vertebrae are modified; third through sixth are typical; all contain transverse foramina. Atlas supports head, permits "yes" motion of head at joint between skull and atlas; axis permits "no" motion, i.e., rotation movement at joint between axis and atlas.

Multiple choice biology our skeletal system and the skin bones and movements joints in the human body joints

Which one of the following is a flat bone?

  1. Carpal

  2. Vertebrae

  3. Incus

  4. Ribs
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • Flat bones are made up of a layer of spongy bone between two thin layers of compact bone. They have a flat shape, not rounded
  • The flat bones are the occipital, parietal, frontal, nasal, lacrimal, vomer, hip bone (coxal bone), sternum, ribs, and scapulae.
  • Hence ribs are flat bones.
  • So, the correct answer is'Ribs'.
Multiple choice biology our skeletal system and the skin bones and movements joints in the human body joints

The main types of bones in terms of shape are

  1. Flat bones

  2. Irregular bones

  3. Short bones

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • There are 6 Types of bone. They are classified by shape as:
  1. Long Bones.
  2. Short Bones.
  3. Flat Bones.
  4. Irregular Bones.
  5. Sesamoid Bones.
  6. Sutural Bones. Hence, The main types of bones in terms of shape are flat bones, Irregular bones and Short bones.
So, the correct answer is 'All of the above'.
Multiple choice biology our skeletal system and the skin bones and movements joints in the human body joints

Which of the following human bones is the knee bone?

  1. Stapes

  2. Clavicle

  3. Patella

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

The patella, also known as the kneecap, is a thick, circular-triangular bone which articulates with the femur (thigh bone) and covers and protects the anterior articular surface of the knee joint. So, the correct option is C. ( Patella )