This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 20 Locomotion And Movement – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 20 Locomotion And Movement Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the functional unit of contraction in a muscle fiber? A) Muscle fiber. B) Fascicle. C) Myofibril. D) Sarcomere. Show Answer Correct Answer: D) Sarcomere. 2. Skeletal muscles are controlled by A) Somatic nerves. B) Autonomic nerves. C) Parasympathetic nerves. D) Sympathetic nerves. Show Answer Correct Answer: A) Somatic nerves. 3. Pick out the incorrect statement. A) Myoglobin is high in red muscles. B) White muscle fibres posses low amount of sarcoplasmic reticulum. C) White muscle fibres posses less number of mitochondria. D) Red muscle fibres have many mitochondria. Show Answer Correct Answer: B) White muscle fibres posses low amount of sarcoplasmic reticulum. 4. How many vertebro-chondral ribs are present in the human? A) 3 Pairs. B) 2 pairs. C) 12 pairs. D) 7 pairs. Show Answer Correct Answer: A) 3 Pairs. 5. What is the primary function of the appendicular skeleton? A) To support the body. B) To facilitate movement. C) To protect vital organs. D) To produce blood cells. Show Answer Correct Answer: B) To facilitate movement. 6. In which muscle, amount of myoglobin is high? A) Red muscle. B) White muscle. C) Non-striated muscle. D) Both A and B. Show Answer Correct Answer: A) Red muscle. 7. Skeletal muscles are voluntary muscles which are present in body parts such as:- A) Legs, Small Intestine, Urinary bladder. B) Heart, Hands, Hindlimb. C) Legs, Tongue, Jaw. D) Legs, Tongue, Kidney. Show Answer Correct Answer: C) Legs, Tongue, Jaw. 8. The disorder of skeletal tissue due to decreased levels of oestrogens is A) Arthritis. B) Osteoporosis. C) Tetany. D) Gout. Show Answer Correct Answer: B) Osteoporosis. 9. A-Each coxal bone is formed by the fusion of three bones-ileum, ischium and pubis.B-Each clavicle is a long slender bone with single curvature.C-Scapula is situated in the dorsal part of the thorax between the third and the sixth ribs. A) All are correct. B) A and B are correct. C) B and C are correct. D) A and C are incorrect. Show Answer Correct Answer: D) A and C are incorrect. 10. During complete contraction of muscle, which zone is completely disappeared: A) I zone. B) A zone. C) O zone. D) H zone. Show Answer Correct Answer: D) H zone. 11. In mammals the largest vertebra is A) Sacral. B) Caudal. C) Lumbar. D) Cervical. Show Answer Correct Answer: C) Lumbar. 12. Cells of the human body exhibits how many main types of movements? A) Six. B) Three. C) Two. D) Four. Show Answer Correct Answer: B) Three. 13. 1-Repeated activation of the muscles can lead to the accumulation of lactic acid due to anaerobic breakdown of glycogen in them, causing fatigue.2-The longest bone of the body is Humerus present in upper limb. A) 1 is true and 2 is false. B) 1 is false and 2 is true. C) 1 and 2 both are correct. D) 1 and 2 both are incorrect. Show Answer Correct Answer: A) 1 is true and 2 is false. 14. (a) White fibres contains plenty of mitochondria but have low myoglobin content (b) Red fibres have high no. of Sarcoplasmic reticulum.(c) Z line is an elastic fibre that bisects A-band.(d) H Zone-The central part of thick filament, where thin filament are absent A) , (c) are correct. B) , (b), (d)are correct. C) And (d) are correct. D) Is correct. Show Answer Correct Answer: D) Is correct. 15. What is the role of ligaments in joints? A) Ligaments stabilize joints by connecting bones and limiting excessive movement. B) Ligaments act as a cushion to prevent joint injuries. C) Ligaments absorb shock and reduce friction between bones. D) Ligaments provide nutrients to the joints and enhance flexibility. Show Answer Correct Answer: A) Ligaments stabilize joints by connecting bones and limiting excessive movement. 16. The energy for muscle contraction is most directly obtained from- A) ATP. B) Anaerobic respiration. C) Aerobic respiration. D) Phosphocreatine. Show Answer Correct Answer: A) ATP. 17. ATPase of the enzyme of the muscle is located on A) Troponin. B) Actinin. C) Myosin. D) Actin. Show Answer Correct Answer: C) Myosin. 18. I. Paramecium employs cilia for pushing food in cytopharynx and in locomotionII. Hydra takes help of tentacles for both food capturing and locomotionIII. All locomotions are movements and vice-versaIV. Methods of locomotion vary with habitats and the demands of situationV. Ciliated epithelium is found in respiratory tract, renal tubules and reproductive tractsWhich of the above statements is false? A) I and III. B) III. C) III and V. D) IV and V. Show Answer Correct Answer: B) III. 19. A-There are 12 ribs present in Axial skeleton.B-When ATP binds to Myosin head Cross bridge is broken. A) A is true and B is false. B) A is false and B is true. C) Both A and B are correct. D) Both A and B are incorrect. Show Answer Correct Answer: B) A is false and B is true. 20. A-Human Skull is dicondylic.Reason-Two occipital condyles are present . A) Both A and R are correct and R is the correct explanation of A. B) Both A and R are correct and R is not the correct explanation of A. C) A is correct only. D) R is correct only. Show Answer Correct Answer: A) Both A and R are correct and R is the correct explanation of A. 21. How many bones are in the human lower limbs? A) 72. B) 60. C) 54. D) 48. Show Answer Correct Answer: B) 60. 22. THE UPPER PART OF CRANIUM IS MADE UP OF A) 7 BONES. B) 14 BONES. C) 4BONES. D) 8BONES. Show Answer Correct Answer: D) 8BONES. 23. (1) A single U-shaped bone called hyoid is present forms the roof of the buccal cavity.(2) The vertebral column serves as the point of attachment for the ribs and musculature of the back.(3) Last 2 pairs (11th and 12th) of ribs are not connected dorsally. A) (1) and (2) are incorrect. B) (2) and (3) are incorrect. C) (1) and (3) are incorrect. D) All are incorrect. Show Answer Correct Answer: C) (1) and (3) are incorrect. 24. Lack of relaxation between successive stimuli in sustained muscle contraction is known as A) Spasm. B) Fatigue. C) Tonus. D) Tetanus. Show Answer Correct Answer: D) Tetanus. 25. Which of the following is not correct when muscle contracts?(1) Length of Actin and Myosin decreases .(2) Two Z line comes closer to each other. (3) Length of A band remains same. (4)Area of H zone remains same. A) And (3). B) And (4). C) And (3). D) And (4). Show Answer Correct Answer: B) And (4). 26. 1-Globular actin is a polymer of F-actin.2-Muscle is a specialised connective tissue . A) Both are correct. B) A is correct only. C) B is correct only. D) Both are incorrect. Show Answer Correct Answer: D) Both are incorrect. 27. Which muscle band remains unchanged during the contraction and relaxation of the skeletal muscle? A) E. B) H. C) A. D) I. Show Answer Correct Answer: C) A. 28. Aerobic muscles utilize the large amount of oxygen stored for ATP production because they have: A) Haemoglobin. B) Mitochondria. C) Myoglobin. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 29. Bone disorder in adults where bones are inadequately mineralized causing soft, weak bones in an adult A) Paget's disease. B) Rickets. C) Osteomalacia. D) Osteoporosis. E) Wolff's law. Show Answer Correct Answer: C) Osteomalacia. 30. A-extra oxygen consumption in human body is known as oxygen debtR-the extra oxygen is required by the body to oxidize the accumulated lactic acid produced during strenuous exerecise A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true but R is false. D) Both A&R are false. Show Answer Correct Answer: A) A&R both true, R is correct explanation of A. 31. Find the correct combination of statements-(1) Locomotory structures need not be different from those affecting other types of movements(2) All movements are locomotion.(3) Cells of the human body exhibit four main types of movements.(4) About 40-50 per cent of the body weight of a human adult is contributed by muscles A) 1 and 3 both are correct. B) 2 and 4 both are correct. C) 1 and 4 both are correct. D) All are correct. Show Answer Correct Answer: C) 1 and 4 both are correct. 32. Osteoporosis, an age related disorder, occurs dur to? A) Decreased level of estrogen. B) Accumulation of uric acid leading to inflammation in joints. C) Autoimmune disorder affecting NMJ. D) High concentration of Na$^{+ }$and Ca$^{++}$. Show Answer Correct Answer: A) Decreased level of estrogen. 33. The pectoral girdle and pelvic girdle and the bones of limbs form A) Visceral skeleton. B) Axial skeleton. C) Outer skeleton. D) Appendicular skeleton. Show Answer Correct Answer: D) Appendicular skeleton. 34. Which of the following is important for muscle contraction and nerve impulse transmission: A) Mg++ ion. B) Fe2+ ion. C) Ca2+ ion. D) Ca++ ion and Mg++ ion. Show Answer Correct Answer: C) Ca2+ ion. 35. Actin binding sites are located on: A) A-troponin. B) B-tropomyosin. C) C-meromyosin. D) Both b and c. Show Answer Correct Answer: D) Both b and c. 36. Which protein constitutes the I-band? A) Troponin. B) Meromyosin. C) Actin. D) Myosin. Show Answer Correct Answer: C) Actin. 37. Which type of muscle fiber is known for its endurance? A) Striated fibers. B) Red fibers. C) White fibers. D) Smooth fibers. Show Answer Correct Answer: B) Red fibers. 38. How many bones make up the human wrist? A) 12. B) 8. C) 6. D) 10. Show Answer Correct Answer: B) 8. 39. A cricket player is fast chasing a ball in the field. Which one of the following groups of bones is directly contributing to this movement? A) Femur, malleus, tibia, metatarsals. B) Tarsals, femur, metatarsals, tibia. C) Pelvis, incus, patella, tarsals. D) Sternum, femur, tibia, fibula. Show Answer Correct Answer: B) Tarsals, femur, metatarsals, tibia. 40. Visceral muscles are located in the:- A) Alimentary canal. B) Reproductive tract. C) Muscles of the heart. D) (1) and (2). Show Answer Correct Answer: D) (1) and (2). 41. Consider the given features regarding red muscle fibres. (A) Amount of sarcoplasmic reticulum is high (B) Large number of mitochondria (C) Depend upon anaerobic process for energy (D) Contract for a longer period without fatigue. Select the option that include only incorrect features. A) A and C. B) B and D. C) C and D. D) C only. Show Answer Correct Answer: A) A and C. 42. Which term is the smallest subdivision in this group? A) Fiber. B) Filament. C) Actin. D) Fibril. Show Answer Correct Answer: C) Actin. 43. The muscle band that remains unchanged during muscle contraction and relaxation of the skeletal muscle is- A) I. B) H. C) A. D) Z-line. Show Answer Correct Answer: C) A. 44. A-there are 12 pairs of ribsR-each rib is a thin flat bone connected dorsally to vertebral column and ventrally to sternum A) A is true but R is false. B) A&R both true, R is correct explanation of A. C) A&R both true, but R is not correct explanation of A. D) Both A&R are false. Show Answer Correct Answer: B) A&R both true, R is correct explanation of A. 45. During muscular contraction, the myosin head bind to the exposed active site on actin to form: A) Cross arm. B) Cross bridge. C) Motor end plate. D) Motor Unit. Show Answer Correct Answer: B) Cross bridge. 46. What type of muscle is primarily involved in voluntary movements? A) Cardiac muscle. B) Involuntary muscle. C) Smooth muscle. D) Skeletal muscle. Show Answer Correct Answer: D) Skeletal muscle. 47. Which of the following statements about the striated muscles is false?I. In the centre of each I-band is an elastic fibre (Z-line) which bisects itII. Thin filaments are firmly attached to the Z-lineIII. M-line is a fibrous membrane in the middle of A-bandsIV. A sarcomere comprises one full A-bands and 2 half I-bands A) All. B) IV. C) I and II. D) None. Show Answer Correct Answer: D) None. 48. Which type of joint allows for the greatest range of motion? A) Hinge joint. B) Fibrous joint. C) Synovial joint. D) Cartilaginous joint. Show Answer Correct Answer: C) Synovial joint. 49. Which part can be easily felt as high point of shoulder? A) Superior angle of scapula. B) Gleno-cavicle joint. C) Sterno-cavicle joint. D) Acromian-cavicle joint. Show Answer Correct Answer: D) Acromian-cavicle joint. 50. Sarcoplasmic reticulum is a storehouse of which ion A) Ca2+. B) K+. C) Na+. D) Fe2+. Show Answer Correct Answer: A) Ca2+. 51. Z-line divides the myofibrils into- A) Sarcomere. B) Sarcosome. C) Sarcolemma. D) Microtubules. Show Answer Correct Answer: A) Sarcomere. 52. What is the primary role of the skeletal system? A) To digest food. B) To produce hormones. C) To circulate blood. D) To facilitate movement. Show Answer Correct Answer: D) To facilitate movement. 53. Passage of ova through the reproductive tract is facilitated by A) Ciliary movement. B) Amoeboid movement. C) Muscular movement. D) All of the above. Show Answer Correct Answer: A) Ciliary movement. 54. Where are the Ca$^{2+ }$ions stored in a muscle fibre? A) Sarcoplasmic Reticulum. B) Sarcolemma. C) Sarcoplasm. D) Sarcomere. Show Answer Correct Answer: A) Sarcoplasmic Reticulum. 55. Saddle joint is present between A) Radius and ulna. B) Carpals. C) Carpal and metacarpal of thumb. D) Ulna and humerus. Show Answer Correct Answer: C) Carpal and metacarpal of thumb. 56. S 1-The two halves of the pelvic girdle meet ventrally to form the pubic symphysis containing hyaline cartilage.S 2-Rapid spasms (wild contractions) in muscle due to low Ca++ sarcoplasmic reticulum in muscle cell. A) Both the statement are correct. B) Both the statement are incorrect. C) Only S 1 is correct. D) Only S 2 is correct. Show Answer Correct Answer: B) Both the statement are incorrect. 57. The joint in our neck which allows us to rotate our head left to right is? A) Saddle joint. B) Freely movable joint. C) Hinge joint. D) Pivot joint. Show Answer Correct Answer: D) Pivot joint. 58. How many bones are in the human upper limbs? A) 48. B) 72. C) 54. D) 60. Show Answer Correct Answer: D) 60. 59. A-joints are point of contact between bones or between bones and cartilagesR-force generated by the muscles is used to carry out movement through joints, where the joints act as a fulcrum A) Both A&R are false. B) A is true but R is false. C) A&R both true, but R is not correct explanation of A. D) A&R both true, R is correct explanation of A. Show Answer Correct Answer: C) A&R both true, but R is not correct explanation of A. 60. Choose the correct statement:A) Z line is present in the centre of the light band B) Thin Filaments are firmly attached to the M-Line C) The Central part of thick filaments, not overlapped by thin filament is Z BandD) Light band has only thin filament A) A and D. B) B and C. C) A and C. D) B and D. Show Answer Correct Answer: A) A and D. ← PreviousNext →Related QuizzesScience QuizzesClass 11 QuizzesClass 11 Biology Chapter 20 Locomotion And Movement Quiz 1Class 11 Biology Chapter 20 Locomotion And Movement Quiz 2Class 11 Biology Chapter 20 Locomotion And Movement Quiz 3Class 11 Biology Chapter 20 Locomotion And Movement Quiz 4Class 11 Biology Chapter 20 Locomotion And Movement Quiz 6Class 11 Biology Chapter 1 The Living World QuizClass 11 Biology Chapter 10 Cell Cycle And Cell Division QuizClass 11 Biology Chapter 11 Transport In Plants Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books