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Support and Movement in Biology Solved MCQs

Body & Support Movement in Biology
 

Support and Movement



1. What is the primary function of the skeletal system in the human body?

   a. Transportation

   b. Support and Protection

   c. Digestion

   d. Respiration


2. Which type of muscle is under involuntary control and is found in the walls of internal organs?

   a. Skeletal muscle

   b. Smooth muscle

   c. Cardiac muscle

   d. Striated muscle


3. What is the purpose of synovial fluid in joints?

   a. Provides nutrients to bones

b. Lubricates and reduces friction in joints

   c. Facilitates muscle contraction

   d. Aids in blood clotting


4. Which structure connects muscles to bones?

   a. Tendon

   b. Ligament

   c. Cartilage

   d. Synovium


5. What is the role of the nervous system in movement control?

   a. Providing structural support

   b. Regulating body temperature

   c. Transmitting signals to muscles

   d. Facilitating digestion


6. Which part of the brain is responsible for coordinating voluntary muscle movements and maintaining posture?

   a. Cerebrum

   b. Cerebellum

   c. Medulla oblongata

   d. Hypothalamus


7. Which type of joint allows for a wide range of movement and is found in the shoulder and hip?

   a. Hinge joint

   b. Ball-and-socket joint

   c. Pivot joint

   d. Gliding joint


8. What is the purpose of the muscular system in the human body?

   a. Pumping blood

   b. Producing and regulating hormones

   c. Facilitating movement and locomotion

   d. Storing and releasing energy


9. What is the term for the bending movement that decreases the angle between two body parts?

   a. Flexion

   b. Extension

   c. Abduction

   d. Adduction


10. In the context of bones, what is the function of red marrow?

   a. Storage of minerals

   b. Blood cell formation

   c. Mechanical support

   d. Energy storage


11. Which neurotransmitter is responsible for transmitting signals between nerve cells and muscles, facilitating movement?

   a) Serotonin

   b) Dopamine

   c) Acetylcholine

   d) Endorphins


12. During muscle contraction, what is the role of ATP (Adenosine Triphosphate)?

   a) Initiating nerve impulses

b) Providing energy for muscle contraction

   c) Facilitating oxygen transport

   d) Enhancing flexibility


13. Which of the following is a characteristic of smooth muscle tissue in the context of movement?

   a) Voluntary control

   b) Striated appearance

   c) Found in the walls of organs

   d) Attached to bones


14. How does the respiratory system contribute to movement in the body?

   a) Pumping blood to the muscles

b) Exchanging gases to support cellular activities

   c) Providing structural support

   d) Storing nutrients for energy


15. What is the role of ligaments in the context of movement?

   a) Contracting muscles

   b) Connecting bones to muscles

   c) Connecting bones to bones

   d) Transmitting nerve signals


16. How does the nervous system distinguish between fine and gross motor skills in movement?

   a) By the speed of movement

   b) By the size of muscles involved

   c) By the complexity of the movement

   d) By the duration of the movement


17. What is the primary function of skeletal support in the human body?

   a) Protection of internal organs

   b) Facilitation of muscle contractions

   c) Regulation of body temperature

   d) Synthesis of hormones


18. Which anatomical structure provides support to the body, protects internal organs, and serves as a site for blood cell production?

   a) Muscles

   b) Bones

   c) Ligaments

   d) Cartilage


19. What is the role of the extracellular matrix in cellular support?

   a) Nutrient storage

   b) Cell communication

   c) Energy production

   d) DNA replication


20. How does the muscular system contribute to overall bodily support?

   a) By providing a framework for organs

   b) By generating force and movement

   c) By storing calcium for bone strength

   d) By facilitating nerve impulses


21. Which connective tissue is responsible for connecting bones to other bones and providing joint stability?

   a) Tendons

   b) Ligaments

   c) Adipose tissue

   d) Synovial fluid


 22. In the context of anatomical support, what is the function of the vertebral column?

  a) Digestion

  b) Posture maintenance

  c) Blood filtration

   d) Respiratory regulation


23. How does cartilage contribute to joint support and flexibility?

  a) By transmitting nerve impulses

b) By absorbing shock and reducing friction

 c) By producing antibodies

 d) By storing minerals for bone health


24. What is the primary function of the endoskeleton in vertebrates?

   a. Protection

   b. Support

   c. Locomotion

   d. Sensation


 25. Which type of skeleton is characterized by the presence of a rigid external covering?

   a. Endoskeleton

   b. Exoskeleton

   c. Hydrostatic skeleton

   d. Axial skeleton


26. The human skeleton is primarily composed of two main divisions. What are they?

   a. Endoskeleton and Exoskeleton

b. Axial skeleton and Appendicular skeleton

c. Hydrostatic skeleton and Cartilaginous skeleton

   d. Appendicular skeleton and Exoskeleton


 27. Cartilage is a flexible and elastic type of connective tissue. In which skeleton is cartilage predominantly found?

   a. Exoskeleton

   b. Hydrostatic skeleton

   c. Endoskeleton

   d. Axial skeleton


28. What is the main function of the axial skeleton in humans?

   a. Facilitating movement

   b. Providing protection

   c. Supporting the body and protecting vital organs

   d. Aiding in digestion


29. What is the primary function of the human skeleton?

a) Protection  

b) Support  

c) Movement  

d) All of the above  


30. Which type of bone cells are responsible for bone formation?

a) Osteoclasts  

b) Osteocytes  

c) Osteoblasts  

d) Chondrocytes  


31. The adult human skeleton consists of approximately how many bones?

a) 106  

b) 206  

c) 306  

d) 406  


32. What is the scientific name for the collarbone?

a) Scapula  

b) Clavicle  

c) Radius  

d) Tibia  


33. The joint connecting the skull and the spine is called:

a) Hinge joint  

b) Ball-and-socket joint  

c) Pivot joint  

d) Suture joint 


34. Which bone protects the brain?

a) Mandible  

b) Cranium  

c) Maxilla  

d) Zygomatic bone  


35. Where would you find the ulna in the human body?

a) Lower leg  

b) Upper arm  

c) Forearm  

d) Hand  


36. The smallest bone in the human body is located in which part?

a) Ear  

b) Hand  

c) Foot  

d) Nose  


37. What is the purpose of the ribcage?

a) Protecting the heart and lungs  

b) Assisting in digestion  

c) Supporting the spinal cord  

d) Aiding in balance  


38. Which type of joint allows for the greatest range of movement?

a) Fixed joint  

b) Ball-and-socket joint  

c) Hinge joint  

d) Pivot joint  


39. Which range of movement is typically associated with ball-n-socket hinge joints?

   a) Flexion and extension

   b) Rotation

   c) Abduction and adduction

   d) All of the above


40. Which joint allows movements in multiple planes, making it highly versatile?

   a) Hinge joint

   b) Ball-and-socket joint

   c) Pivot joint

   d) Gliding joint


41. In the human body, where is an example of a ball-n-socket hinge joint located?

   a) Elbow

   b) Knee

   c) Shoulder

   d) Ankle


42. Which term describes the rotation of a bone around its own longitudinal axis within a ball-n-socket joint?

   a) Flexion

   b) Extension

   c) Rotation

   d) Circumduction


43. What is the primary structural protein in muscles responsible for contraction and movement?

   a. Collagen

   b. Keratin

   c. Myosin

   d. Elastin


44. Which of the following is a genetic disorder affecting muscle protein synthesis, leading to progressive muscle weakness?

   a. Osteoporosis

   b. Muscular dystrophy

   c. Arthritis

   d. Scoliosis


45. In the context of joint disorders, what term refers to the inflammation of the protective membranes surrounding joints?

   a. Tendinitis

   b. Bursitis

   c. Synovitis

   d. Osteoarthritis


46. Which disorder is characterized by the abnormal curvature of the spine, often seen as an "S" or "C" shape?

   a. Kyphosis

   b. Lordosis

   c. Scoliosis

   d. Osteoporosis


47. Which term describes the progressive loss of bone density, leading to increased susceptibility to fractures?

   a. Arthritis

   b. Osteoporosis

   c. Rheumatism

   d. Osteoarthritis


48. What is the cartilaginous padding that covers the ends of bones at joints?

   a. Synovium

   b. Meniscus

   c. Cartilage

   d. Bursa


49. Which condition involves the inflammation of joints, causing pain, swelling, and limited mobility?

   a. Osteoporosis

   b. Rheumatoid arthritis

   c. Gout

   d. Tendinitis


50. What term refers to the gradual wearing away of joint cartilage, resulting in pain and stiffness?

   a. Bursitis

   b. Osteoarthritis

   c. Rheumatism

   d. Tendinopathy


51. What is the primary function of antagonistic muscles at a hinge joint?

a. Provide stability  

b. Generate joint movement  

c. Store energy  

d. Facilitate sensory perception


52. Which pair of terms correctly describes the action of antagonistic muscles at a hinge joint?

a. Agonist and Synergist  

b. Prime Mover and Antagonist  

c. Flexor and Extensor  

d. Stabilizer and Mobilizer


53. In a hinge joint, which muscle type is responsible for bending or decreasing the joint angle?

a. Flexor  

b. Extensor  

c. Abductor  

d. Adductor


54. Which statement accurately describes the role of antagonistic muscles in a hinge joint?

a. Both muscles contract simultaneously  

b. Both muscles relax simultaneously  

c. One muscle contracts while the other relaxes  

d. Both muscles remain static


55. At a hinge joint, which pair of muscles primarily performs extension and flexion movements?

   a) Deltoid and Pectoralis major  

   b) Biceps brachii and Triceps brachii  

   c) Quadriceps and Hamstrings  

   d) Latissimus dorsi and Rhomboids  


56. Which action occurs when the biceps brachii contracts at the elbow joint?

    a) Extension  

    b) Adduction  

    c) Flexion  

    d) Circumduction  


57. What is the role of the triceps brachii at the elbow joint during movement?

    a) Flexion  

    b) Adduction  

    c) Extension  

    d) Pronation  


58. Which muscle group opposes the action of the quadriceps during knee flexion?

    a) Hamstrings  

    b) Adductors  

    c) Gastrocnemius  

    d) Tibialis anterior  


59. Which muscle is responsible for straightening the leg at the knee joint?

    a) Gastrocnemius  

    b) Soleus  

    c) Rectus femoris  

    d) Biceps femoris  


60. Obesity puts pressure and stress on joints, specially on:

a. Knees

b. Feet

c. Legs

d. Arms


Also Read the Following Suggested Topics for Further Reading.


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