Biology Practice: The Skeletal System (Mock Test 4 - Expert Logic & Experiments)
1. In a laboratory experiment, a bone is kept in dilute Hydrochloric Acid ($HCl$) for three days. What will be the observation?
2. If a bone is strongly heated (burnt) until it turns into ash, the resulting residue is:
3. A patient presents with a "Greenstick Fracture." Logically, this patient is most likely to be:
4. Why does an infant have approximately 300 bones, while an adult has only 206?
5. Which anatomical feature allows the skull to be balanced on the vertebral column, enabling the "Yes" nodding movement?
6. A person is unable to move their thumb across their palm to touch the base of the little finger. Which joint is likely affected?
7. What is the clinical significance of the "Fontanelles" (soft spots) in a newborn's skull?
8. Synovial joints are characterized by a "Joint Capsule." What would happen if this capsule was ruptured?
9. X-ray data shows a fracture in the "Olecranon Process." Which part of the body has the patient injured?
10. In the human ear, the transmission of sound vibrations is aided by three ossicles. What is the correct sequence from outer to inner?
20. Osteoporosis is a condition where bone resorption exceeds bone formation. This is primarily caused by an overactivity of: