All Free Biology MCQs with Answers

• A. Cartilaginous joint
• B. Hinge joint
• C. Fibrous joint
• D. Synovial joint

Explanation: Fibrous joint is present between the human skull bones. It does not allow movement because the bones are held firmly together by bundles…

• A. Same as in whale
• B. More than that in rabbit
• C. Double than that of horse
• D. Less than that in giraffe

Explanation: The number of cervical vertebrae are same in man and whale that is 7 in number.

• A. Support
• B. Support, erythrocyte and leucocyte synthesis
• C. Support and erythrocyte synthesis
• D. Erythrocyte formation

Explanation: Long bones strengthen the legs and arms, provide support and also synthesise erythrocytes and leucocytes due to presence of bone marrow in…

• A. More than that of rabbit
• B. Less than that of rabbit
• C. Same as that of whale
• D. More than that of horse

Explanation: The vast majority of mammals have seven cervical vertebrae (neck bones), including camel, bats, giraffes, whales and humans.

• A. Radius
• B. Ulna
• C. Femur
• D. Humerus

Explanation: In the humerus bone, pectoral and deltoid ridges are important points of muscle attachment.

• A. Abdomen
• B. Thigh
• C. Ribs
• D. Diaphragm

Explanation: Intercostal muscles (external intercostal and internal intercostal) are attached with the ribs which help in the movement of rib cage…

• A. Fibro cartilage
• B. Elastic cartilage
• C. Hyaline cartilage
• D. All A, B, C

Explanation: Fibrocartilage present in intervertebral disc. Elastic cartilage present in ear pinna, epiglottis.

• A. Inelastic
• B. Flexible
• C. Living
• D. Protein

Explanation: Collagen is the most abundant protein in your body. It is the major component of connective tissues that makeup several body parts…

• A. Periosteum
• B. Perichondrium
• C. Perimysium
• D. Perineurium

Explanation: Perichondrium is covering around cartilage. It is a layer of dense connective tissue that surrounds most cartilage in the body.

• A. Skull
• B. Lower leg
• C. Face
• D. Upper arm

Explanation: Tibia and fibula are bones of lower legs. They are part of appendicular skeleton.

• A. Sternum
• B. Atlas and axis
• C. Inferior choncha
• D. Patella

Explanation: Patella is a knee bone. It is part of appendicular skeleton.

• A. True ribs
• B. False ribs
• C. Floating ribs
• D. Costal arch

Explanation: Floating ribs are the last two pairs of ribs (eleventh and twelfth) in the human ribcage.

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Explanation: Skull has two types of regions. One is face and other is skull. Face has 14 bones. 6 are paired and 2 are unpaired.

• A. 3
• B. 6
• C. 2
• D. 4

Explanation: Coxal bones are known as hip bones. Each hip bone is formed by ossification of three small bones (ilium, ischium and pubis).

• A. Ball and socket joint
• B. Cartilaginous joint
• C. Hinge joint
• D. Fibrous joint

Explanation: A hinge joint is a bone joint in which the articular surfaces are molded to each other in such a manner as to permit motion only in one…

• A. Joint between clavicle and scapula
• B. Joint between radius and ulna
• C. Joint between rib and vertebral column
• D. Joint between skull bones

Explanation: A synovial joint is the type of joint found between bones that move against each other, such as the joint of the limbs (e.g, shoulder…

• A. Sutures
• B. Saddle
• C. Ball and socket
• D. Pubic symphysis

Explanation: Joint have three types and one of them is fibrous Joints. It is present in different parts of skeleton.

• A. Fibrous
• B. Cartilaginous
• C. Ball and socket
• D. Synovial

Explanation: There are three types of joints. 1. Fibrous joints: Present betweent skull bones, fix teeth into jaws and shaft regions of long arms in…

• A. Viral
• B. Fungal
• C. Bacterial
• D. Bacteriophage

Explanation: Bacterial invasions during the arthritis can cause acute forms of inflammation.

• A. Osteoarthritis
• B. Juvenile arthritis
• C. Gouty arthritis
• D. Rheumatoid arthritis

Explanation: Antibodies attach different parts of body during auto immune response. Between different types of arthritis, rheumatoid arthritis is an…