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