1. Which is the longest bone in the human body?
a) Tibia
b) Fibula
c) Femur
d) Humerus
Answer: Femur
2. Which bone is known as the collar bone?
a) Clavicle
b) Scapula
c) Sternum
d) Humerus
Answer: Clavicle
3. The smallest bone in the body is:
a) Incus
b) Stapes
c) Malleus
d) Hyoid
Answer: Stapes
Explanation: মানুষের শরীরের ক্ষুদ্রতম হাড় হলো 'স্টেপিস' (Stapes)। এটি আমাদের মধ্যকর্ণে (Middle Ear) অবস্থিত তিনটি ক্ষুদ্র হাড়ের মধ্যে একটি। স্টেপিসের গড় দৈর্ঘ্য প্রায় ৩ মিমি এবং প্রস্থ ২.৫ মিমি, যা দেখতে ঘোড়ার জিনের পাদানীর মতো। অন্যান্য অপশনগুলোর পরিচয়: ১. ইনকাস (Incus): মধ্যকর্ণের দ্বিতীয় হাড়, যা নেহাইয়ের মতো দেখতে। ৩. ম্যালিয়াস (Malleus): মধ্যকর্ণের প্রথম হাড়, যা হাতুড়ির মতো দেখতে। ৪. হাইওয়েড (Hyoid): এটি গলার সামনের দিকে অবস্থিত একটি হাড়, যা জিহ্বাকে ধরে রাখতে সাহায্য করে। উল্লেখ্য: ম্যালিয়াস, ইনকাস এবং স্টেপিস—এই তিনটি হাড়কে একত্রে 'অসিকলস' (Ossicles) বলা হয়।
4. How many vertebrae are there in total?
a) 31
b) 32
c) 33
d) 34
Answer: 33
5. How many bones are present in an adult human skeleton?
a) 106
b) 206
c) 300
d) 306
Answer: 206
6. Which joint allows rotation of the head?
a) Ball and socket
b) Hinge
c) Pivot
d) Gliding
Answer: Ball and socket
7. Which mineral is mainly stored in bones?
a) Iron
b) Potassium
c) Sodium
d) Calcium
Answer: Calcium
8. The fibula is located:
a) Lateral side of leg
b) Medial side of leg
c) Arm
d) Skull
Answer: Lateral side of leg
9. Which bone has no articulation with any other bone?
a) Mandible
b) Clavicle
c) Hyoid
d) Scapula
Answer: Hyoid
10. Which type of bone is the vertebra?
a) Long bone
b) Short bone
c) Flat bone
d) Irregular bone
Answer: Irregular bone
11. The foramen magnum is located in which bone?
a) Frontal
b) Temporal
c) Occipital
d) Sphenoid
Answer: Occipital
12. Which carpal bone is most frequently fractured?
a) Lunate
b) Capitate
c) Trapezium
d) Scaphoid
Answer: Scaphoid
13. Which part of the skeleton protects the heart and lungs?
a) Skull
b) Vertebral column
c) Rib cage
d) Pelvis
Answer: Rib cage
14. The scapula is also called-
a) Hip bone
b) Collar bone
c) Breast bone
d) Shoulder blade
Answer: Shoulder blade
15. The function of bone marrow is to:
a) Store calcium
b) Produce blood cell
c) Provide movement
d) Protect organ
Answer: Produce blood cell
16. The olecranon process is part of which bone?
a) Ulna
b) Radius
c) Humerus
d) Scapula
Answer: Ulna
17. The zygomatic bone forms the:
a) Nose
b) Jaw
c) Forehead
d) Cheek
Answer: Cheek
18. Which structure connects bone to bone?
a) Tendon
b) Ligament
c) Cartilage
d) Muscle
Answer: Ligament
19. The normal curvature of the cervical spine is:
a) Kyphosis
b) Lordosis
c) Straight
d) Scoliosis
Answer: Lordosis
20. Which bone is commonly known as the “shin bone”?
a) Femur
b) Fibula
c) Tibia
d) Patella
Answer: Tibia
21. The ankle joint is a type of:
a) Hinge
b) Ball and socket
c) Pivot
d) Gliding
Answer: Hinge
22. The radius is located on which side of the forearm?
a) Medial
b) Lateral
c) Posterior
d) Central
Answer: Lateral
23. The bone of the wrist is called:
a) Tarsal
b) Carpal
c) Phalanges
d) Metatarsal
Answer: Carpal
24. The bone at the back of the head is:
a) Occipital
b) Frontal
c) Temporal
d) Parietal
Answer: Occipital
25. The skull is part of which skeleton?
a) Appendicular
b) Axial
c) Limb
d) Joint
Answer: Axial
26. Bone marrow produces:
a) Hormone
b) Bile
c) Enzyme
d) Blood cell
Answer: Blood cell
27. The largest bone in the skull is:
a) Parietal
b) Frontal
c) Occipital
d) Temporal
Answer: Parietal
28. Which bone is most important for walking?
a) Tibia
b) Fibula
c) Humerus
d) Pelvis
Answer: Tibia
29. Which bone is part of axial skeleton?
a) Femur
b) Radius
c) Vertebrae
d) Fibula
Answer: Vertebrae
30. The main function of cartilage is-
a) Movement
b) Support
c) Protection
d) Reduce friction
Answer: Reduce friction
