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Support and Movement—Class 10 Biology MCQs  The basic unit of the skeletal system is the: a) Tendon b) Muscle c) Bone d) Ligament Answer: c Which type of joint is found in the shoulder? a) Hinge joint b) Ball and socket joint c) Pivot joint d) Gliding joint Answer: b The main function of the skeleton is a) Transport of blood b) Exchange of gases c) Support and movement d) Digestion Answer: c Which connective tissue joins bone to bone? a) Ligament b) Tendon c) Cartilage d) Muscle Answer: a Which connective tissue joins muscle to bone? a) Ligament b) Tendon c) Cartilage d) Epithelium Answer: b The human backbone is made up of: a) 30 vertebrae b) 33 vertebrae c) 36 vertebrae d) 28 vertebrae Answer: b The longest bone in the human body is a) Tibia b) Humerus c) Radius d) Femur Answer: d The fluid that lubricates joints is a) Plasma b) Synovial fluid c) Lymph d) Interstitial fluid Answer: b The knee joint is an example of...