Q.1 How many bones are present in the adult human skeleton?
206
210
201
215
Explanation - The adult human skeleton consists of 206 bones, though the number can vary slightly due to accessory bones.
Correct answer is: 206
Q.2 Which is the longest bone in the human body?
Femur
Humerus
Tibia
Fibula
Explanation - The femur, or thigh bone, is the longest and strongest bone in the human body.
Correct answer is: Femur
Q.3 What type of bone is the sternum?
Flat bone
Long bone
Short bone
Irregular bone
Explanation - The sternum is classified as a flat bone that protects thoracic organs.
Correct answer is: Flat bone
Q.4 Which part of the skeleton includes the skull, vertebral column, and rib cage?
Appendicular skeleton
Axial skeleton
Peripheral skeleton
Visceral skeleton
Explanation - The axial skeleton includes the skull, vertebral column, and thoracic cage, providing central support.
Correct answer is: Axial skeleton
Q.5 Which bone protects the brain?
Skull
Clavicle
Pelvis
Scapula
Explanation - The skull protects the brain and forms the structure of the head.
Correct answer is: Skull
Q.6 What is the main function of red bone marrow?
Fat storage
Blood cell production
Mineral storage
Bone strength
Explanation - Red bone marrow produces red blood cells, white blood cells, and platelets.
Correct answer is: Blood cell production
Q.7 Which bone is known as the collarbone?
Clavicle
Scapula
Humerus
Sternum
Explanation - The clavicle is the collarbone, connecting the sternum to the scapula.
Correct answer is: Clavicle
Q.8 Which bone is also called the kneecap?
Patella
Fibula
Tibia
Talus
Explanation - The patella is the small, triangular bone that protects the knee joint.
Correct answer is: Patella
Q.9 How many cervical vertebrae are in the human spine?
5
7
12
10
Explanation - There are 7 cervical vertebrae located in the neck region of the spine.
Correct answer is: 7
Q.10 What is the smallest bone in the human body?
Stapes
Incus
Malleus
Coccyx
Explanation - The stapes in the middle ear is the smallest bone in the human body.
Correct answer is: Stapes
Q.11 The pectoral girdle is formed by which bones?
Scapula and clavicle
Humerus and scapula
Clavicle and sternum
Scapula and sternum
Explanation - The pectoral girdle consists of the scapula and clavicle, providing attachment for upper limbs.
Correct answer is: Scapula and clavicle
Q.12 Which bone connects the hip bone to the femur?
Tibia
Fibula
Pelvis
Acetabulum
Explanation - The acetabulum is the socket in the pelvis that articulates with the femur.
Correct answer is: Acetabulum
Q.13 How many ribs does a typical human have?
10 pairs
12 pairs
11 pairs
13 pairs
Explanation - Humans typically have 12 pairs of ribs forming the rib cage.
Correct answer is: 12 pairs
Q.14 Which bone is part of the axial skeleton?
Femur
Radius
Skull
Humerus
Explanation - The skull belongs to the axial skeleton, while femur, radius, and humerus are part of the appendicular skeleton.
Correct answer is: Skull
Q.15 The bone found in the upper arm is called?
Humerus
Radius
Ulna
Clavicle
Explanation - The humerus is the long bone of the upper arm, extending from the shoulder to the elbow.
Correct answer is: Humerus
Q.16 Which bone forms the lower jaw?
Maxilla
Mandible
Zygomatic
Frontal
Explanation - The mandible is the lower jawbone and is the only movable bone of the skull.
Correct answer is: Mandible
Q.17 What type of joint is found at the shoulder?
Hinge joint
Ball-and-socket joint
Pivot joint
Gliding joint
Explanation - The shoulder joint is a ball-and-socket joint, allowing movement in multiple directions.
Correct answer is: Ball-and-socket joint
Q.18 Which bone protects the heart and lungs?
Ribs
Clavicle
Scapula
Pelvis
Explanation - The rib cage protects the thoracic organs such as the heart and lungs.
Correct answer is: Ribs
Q.19 The pelvic girdle is formed by which bones?
Ilium, ischium, pubis
Femur, tibia, fibula
Sacrum, coccyx, femur
Clavicle, scapula, sternum
Explanation - The pelvic girdle is made up of three bones: ilium, ischium, and pubis.
Correct answer is: Ilium, ischium, pubis
Q.20 Which vertebrae are fused to form the sacrum?
Cervical
Thoracic
Lumbar
Sacral
Explanation - The sacrum is formed by the fusion of five sacral vertebrae.
Correct answer is: Sacral
Q.21 What mineral is primarily stored in bones?
Iron
Calcium
Potassium
Sodium
Explanation - Bones serve as a reservoir for minerals, especially calcium and phosphorus.
Correct answer is: Calcium
Q.22 Which bones make up the forearm?
Radius and ulna
Humerus and radius
Ulna and femur
Clavicle and scapula
Explanation - The forearm is made of two long bones: the radius and ulna.
Correct answer is: Radius and ulna
Q.23 Which part of the skeleton helps in locomotion?
Axial skeleton
Appendicular skeleton
Visceral skeleton
Cartilage system
Explanation - The appendicular skeleton facilitates movement by forming the framework of limbs.
Correct answer is: Appendicular skeleton
Q.24 The human skull is made up of how many bones?
20
22
24
18
Explanation - The skull consists of 22 bones: 8 cranial and 14 facial bones.
Correct answer is: 22
Q.25 Which type of bone tissue forms the dense outer layer of bone?
Spongy bone
Compact bone
Red marrow
Yellow marrow
Explanation - Compact bone is dense and forms the outer layer, providing strength and protection.
Correct answer is: Compact bone