In This Post we are providing Chapter-20 Locomotion and Movement NCERT MCQ for Class 11 Biology which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.
NCERT MCQ ON LOCOMOTION AND MOVEMENT
Question 1 : Which of the following is the contractile protein of a muscle?
- a) Myosin
- b) Tropomyosin
- c) Tropomyosin
- d) Actin
Answer : Myosin
Question 2 : Myofibrils are made up of
- a) All the above components
- b) Actin and tropomyosin
- c) Myosin and actin
- d) Myosin and troponin
Answer : All the above components
Question 3 : The number of floating ribs, in the human body, is
- a) 2 pairs
- b) 5 pairs
- c) 6 pairs
- d) 3 pairs
Answer : 2 pairs
Question 4 : Synovial fluid is found in
- a) freely movable joints
- b) spinal cavity
- c) cranial cavity
- d) immovable joints
Answer : freely movable joints
Question 5 : Humerus differs from the femur in having
- a) Deltoid ridge
- b) Sigmoid notch
- c) Trochanter
- d) None of these
Answer : Deltoid ridge
Question 6 : The most abundant mineral in human body is
- a) Calcium
- b) Magnesium
- c) Sodium
- d) Potassium
Answer : Calcium
Question 7 : Ankle joint is
- a) Hinge joint
- b) Pivot Joint
- c) Ball and socket joint
- d) Gliding joint
Answer : Hinge joint
Question 8 : The major function of the intervertebral disc is to
- a) Absorb shock
- b) String the vertebrae together
- c) Prevent injuries
- d) Prevent hyperextension
Answer : Absorb shock
Question 9 : Which of the following is an autoimmune disorder ?
- a) Myasthenia gravis
- b) Muscular dystrophy
- c) Osteoporosis
- d) Gout
Answer : Myasthenia gravis
Question 10 : The joint in our neck which allows us to rotate our head left to right is
- a) pivot joint
- b) saddle joint
- c) hinge joint
- d) ellipsoid joint
Answer : pivot joint
Question 11 : A cricket player is fast chasing a ball in the field. Which one of the following groups of bones is directly contributing in this movement?
- a) Tarsals, femur, metatarsals, tibia
- b) Sternum, femur, tibia, fibula
- c) Pelvis, ulna, patella, tarsals
- d) Femur, malleus, tibia, metatarsals
Answer : Tarsals, femur, metatarsals, tibia
Question 12 : Which of the following statement is incorrect w.r.t. bone?
- a) Bone is made up of 60&70% organic matter and 30 & 40% inorganic matter
- b) If born is kept in HCl it becomes soft
- c) If bone is heated then the organic part disappears and inorganic part is retained
- d) Hydroxyapatite salts and fluorapatite salts are found in matrix
Answer : Bone is made up of 60&70% organic matter and 30 & 40% inorganic matter
Question 13 : One of the following is a location of most abundant cartilage in the human body.
- a) Tracheal rings and costal cartilages
- b) Intevertebral disc and public symphysis
- c) Pinna and tip of nose
- d) Pectoral girdle and pelvic girdle
Answer : Tracheal rings and costal cartilages
Question 14 : What is a hydrostatic skeleton largely composed of?
- a) Fluid
- b) Connective tissue
- c) Bone
- d) Cartilage
Answer : Fluid
Question 15 : The only movable bone in the skull is
- a) Mandible
- b) Ethmoid
- c) Maxilla
- d) None
Answer : Mandible
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