Skeletal and Muscle System MCQs

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The skeletal and muscular systems are two integral components of the human body, working together to provide structure, movement, and support. Skeletal and Muscle System MCQs

The skeletal system consists of bones, cartilage, and ligaments. It serves several crucial functions, including providing a framework that gives shape to the body, protecting vital organs, producing blood cells in the bone marrow, and storing minerals like calcium and phosphorus. The skeletal system also plays a critical role in movement by providing attachment points for muscles, allowing joints to form, and enabling various degrees of mobility.

The muscular system consists of muscles, tendons, and connective tissues. Muscles are responsible for generating force and producing movement in response to nerve signals. They can be categorized into three types: skeletal, cardiac, and smooth muscles. Skeletal muscles are voluntary muscles that attach to bones and enable body movement. Cardiac muscles form the heart and are responsible for pumping blood. Smooth muscles are found in organs and blood vessels, contributing to involuntary functions like digestion and circulation.

The interaction between these two systems is what enables movement. Muscles attach to bones via tendons, and when muscles contract, they pull on the bones, causing movement at the joints. This coordinated effort between the skeletal and muscular systems allows us to perform a wide range of activities, from simple gestures to complex athletic feats.

Overall, the skeletal and muscular systems are intricately connected systems that work in harmony to provide structure, movement, protection, and support for the human body.

Skeletal and Muscle System MCQs

Q1. Weight of our body is mostly made of 

(a) From bones 

(b) Parts of body

(c) Parts of skin 

(d) From water

(d) From water

Q2. Human body contains  

(a) about 70% water

(b) 20%-30% water  

(c) 10%-20% water 

(d) 30%-40% water

(a) about 70% water

Q3. The most abundant element found in the human body is  

(a) Iron 

(b) Sodium 

(c) Oxygen

(d) Iodine

(c) Oxygen

Q4. The maximum amount of element found in human body is 

(a) Iron 

(b) Sodium

(c) Phosphorus 

(d) Calcium

(d) Calcium

Q5. The number of bones in an adult human body is  

(a) 204 

(b) 206

(c) 208  

(d) 210

(b) 206

Q6. Which of the following is the smallest bone in the  human body ?

(a) Vomer 

(b) Stapes

(c) Malleus

(d) Incus

(b) Stapes

Q7. The smallest bone in our body is found in our 

(a) Ear

(b) Nose

(c) Eye

(d) Toe

(a) Ear

Q8. The number of bones in human skull is (a) 28

(b) 30

(c) 32 

(d) 40

(a) 28

Q9. How many pairs of ribs are there in a human body?

(a) 12

(b) 10  

(c) 14 

(d) 11

(a) 12

Q10. The bones are held together by elastic tissues are called

(a) Ligaments

(b) Fibrous tissues  

(c) Fibrin 

(d) Muscular tissues

(a) Ligaments

Q11. Alpha-keratin is a protein, present in :

(a) Blood  

(b) Skin

(c) Lymph 

(d) Eggs

(b) Skin

Q12. Which of the following are required for the formation  of bones and teeth ?

(a) Sodium and Potassium  

(b) Iron and Calcium  

(c) Sodium and Calcium  

(d) Calcium and Phosphorus

(d) Calcium and Phosphorus

Q13. Which of the following is the strongest part of our body ?

(a) Bone 

(b) Enamel

(c) Dentin

(d) Cementum

(b) Enamel

Q14. What type of tissue makes up bones?

a) Epithelial Tissue

b) Connective Tissue

c) Muscle Tissue

d) Nervous Tissue

b) Connective Tissue

Q15. What is the primary function of red blood cells?

a) Producing hormones

b) Carrying oxygen

c) Fighting infections

d) Transmitting nerve impulses

b) Carrying oxygen

Q16. Which joint allows movement in all directions, including flexion, extension, abduction, and adduction?

a) Hinge Joint

b) Ball-and-Socket Joint

c) Pivot Joint

d) Gliding Joint

b) Ball-and-Socket Joint

Q17. Which muscle is responsible for breathing?

a) Quadriceps

b) Hamstrings

c) Diaphragm

d) Gastrocnemius

c) Diaphragm

Q18. Which type of muscle is responsible for involuntary movements like digestion?

a) Skeletal Muscle

b) Cardiac Muscle

c) Smooth Muscle

d) Striated Muscle

c) Smooth Muscle

Q19. Which joint allows rotational movement?

a) Hinge Joint

b) Ball-and-Socket Joint

c) Pivot Joint

d) Gliding Joint

c) Pivot Joint

Q20. Which bone protects the brain?

a) Femur

b) Cranium

c) Clavicle

d) Sternum

b) Cranium

Q21. Which bone is commonly referred to as the “thigh bone”?

a) Radius

b) Tibia

c) Humerus

d) Femur

d) Femur

Q22. What connects muscle to bone?

a) Tendon

b) Ligament

c) Cartilage

d) Synapse

a) Tendon

Q23. Which muscle is responsible for pumping blood throughout the body?

a) Biceps

b) Quadriceps

c) Gluteus Maximus

d) Heart

d) Heart

Q24. Which muscle group is responsible for flexing the forearm?

a) Quadriceps

b) Biceps

c) Triceps

d) Hamstrings

b) Biceps

Q25. Which bone is commonly referred to as the “ankle bone”?

a) Talus

b) Calcaneus

c) Metatarsal

d) Patella

a) Talus

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What is the skeletal system’s main role?

The skeletal system provides support and structure to the body, protecting organs and enabling movement by forming a framework of bones, cartilage, and ligaments.

How do muscles allow us to move?

Muscles, attached to bones via tendons, contract and generate force, causing bones to move at joints. This coordinated effort between muscles and bones enables a wide range of motions.

What are the types of muscles in our body?

There are three types: skeletal muscles for voluntary movement, cardiac muscles in the heart for pumping blood, and smooth muscles in organs for involuntary functions like digestion.

What minerals are stored in bones?

Bones store minerals like calcium and phosphorus, which are essential for various bodily functions, including maintaining bone density and supporting muscle contractions.

Why is bone marrow important?

Bone marrow, found within bones, is crucial for producing blood cells, including red blood cells that carry oxygen and white blood cells that fight infections, contributing to overall health and immune function.

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