Q1. What is the primary function of red bone marrow?A. Calcium storageB. Blood cell productionC. Fat storageD. Cartilage formation
Q2. What is the role of ATP in muscle contraction?A. Provides energy for cross-bridge cyclingB. Activates actin filamentsC. Triggers the release of calcium ionsD. Binds directly to myosin filaments
Q3. Which type of muscle fibers are rich in myoglobin and suited for endurance activities?A. White muscle fibersB. Fast-twitch fibersC. Slow-twitch fibersD. Smooth muscle fibers
Q4. Which part of the skeletal system protects the brain?A. Vertebral columnB. SternumC. CraniumD. Pelvic girdle
Q5. Which enzyme breaks down ATP to release energy for muscle contraction?A. Myosin ATPaseB. AcetylcholinesteraseC. Troponin kinaseD. Phosphorylase
Q6. Which part of the vertebral column articulates with the skull?A. Thoracic vertebraeB. Sacral vertebraeC. AtlasD. Lumbar vertebrae
Q7. Which of the following is NOT a type of movement found in the human body?A. Amoeboid movementB. Ciliary movementC. Flagellar movementD. Muscular movement
Q8. Which type of joint allows movement in multiple directions?A. Hinge jointB. Ball and socket jointC. Pivot jointD. Fibrous joint
Q9. Which of the following joints allows the least movement?A. Ball and socket jointB. Hinge jointC. Fibrous jointD. Gliding joint
Q10. Which type of cartilage is found at the ends of long bones in joints?A. FibrocartilageB. Elastic cartilageC. Hyaline cartilageD. Calcified cartilage