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 zoology diversity in living world hemichordata phylum hemichordata chordates and hemichordates

Notochord occurs between

  1. Body wall and dorsal nerve cord

  2. Dorsal nerve cord and alimentary canal

  3. Ventral nerve cord and alimentary canal

  4. Ventral nerve cord and body wall
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In chordates, the notochord is a flexible, rod-shaped structure that develops during the embryonic stage. It is located dorsally to the alimentary canal and ventrally to the dorsal central nervous system (spinal cord).

Multiple choice biology digestion and absorption minerals and vitamins nutrition and diet role of various nutrients

Cartilage matrix is digested during its osteogenesis through

  1. Intracellular autophagic activity

  2. Extracellular lysosomal activity

  3. Intracellular heterophagic activity

  4. Both B and C.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During osteogenesis, the degradation of the cartilage matrix is mediated by enzymes secreted into the extracellular space, characterizing it as an extracellular lysosomal activity.

Multiple choice

What is the largest bone in the human body?

  1. Femur

  2. tibia

  3. fibula

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

The femur (thigh bone) is the largest and strongest bone in the human body. The tibia and fibula are lower leg bones, while the humerus is the upper arm bone.

Multiple choice

How many bones are in the human body?

  1. 156

  2. 177

  3. 206

  4. 215
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An adult human skeleton typically consists of 206 bones. Infants are born with more, but many fuse together during growth.

Multiple choice

The two bones in the LOWER arm are?

  1. humerus and tarsals

  2. ulna and humerus

  3. radius and carpals

  4. radius and ulna
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The lower arm (forearm) consists of the radius and the ulna. The humerus is the bone of the upper arm, while carpals and tarsals are bones in the wrist and foot, respectively.

Multiple choice

The chin bone is?

  1. mandible

  2. humerus

  3. skull

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

The mandible is the lower jaw bone, which forms the structure of the chin. The other options are bones or structures located elsewhere in the body.

Multiple choice

The bones in the fingers and the toes are?

  1. tarsals

  2. phalanges

  3. carpals

  4. tarsals and carpals
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Phalanges are the bones that make up the fingers and toes. Carpals are in the wrist, and tarsals are in the ankle/foot.

Multiple choice

The vertebrae in the LOWER back are called?

  1. cervical vertebrae

  2. thoracic vertebrae

  3. lumbar vertebrae

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

The spine is divided into regions: cervical (neck), thoracic (upper/mid back), and lumbar (lower back). The sacrum is located below the lumbar vertebrae.

Multiple choice

The foot bones are called?

  1. carpals

  2. phalanges

  3. metatarsals

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

Metatarsals are the five long bones in each foot that connect the ankle (tarsals) to the toes (phalanges). Note that feet contain three types of bones: tarsals, metatarsals, and phalanges. Carpals are wrist bones, not foot bones.

Multiple choice

The bone that looks like a "wing" on our back is?

  1. clavicle

  2. scapula

  3. hyoid

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

The scapula is the shoulder blade, which is a flat, triangular bone on the back that resembles a wing. The clavicle is the collarbone, and the hyoid is in the neck.

Multiple choice

What is the name of the joint between the thumb and finger?

  1. Cattle joint

  2. Battle joint

  3. Sliding joint

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

The joint at the base of the thumb is a saddle joint, which allows for a wide range of movement including opposition. The other names are not standard anatomical terms for this joint.

Multiple choice

What is the knee cap called?

  1. padella

  2. patulla

  3. patella

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

The patella is the scientific name for the kneecap. The other options are misspellings.