This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 20 Locomotion And Movement – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 20 Locomotion And Movement Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens to the I-band during muscle contraction? A) It disappears. B) It remains the same. C) It increases in size. D) It decreases in size. Show Answer Correct Answer: D) It decreases in size. 2. Which of the following is a symptom of arthritis? A) Bone fractures. B) Muscle cramps. C) Muscle weakness. D) Joint inflammation. Show Answer Correct Answer: D) Joint inflammation. 3. How many bones are present in the human appendicular skeleton? A) 126. B) 120. C) 206. D) 80. Show Answer Correct Answer: A) 126. 4. Cranium of man is made up of A) 16 bones. B) 10 bones. C) 12 bones. D) 8 bones. Show Answer Correct Answer: D) 8 bones. 5. The scapula extends on the backside of the thorax between A) 2$^{nd}$ and 8$^{th}$ rib. B) 1$^{st}$ and 7$^{th}$ rib. C) 2$^{nd}$ and 7$^{th}$ rib. D) 3$^{rd}$ and 7$^{th}$ rib. Show Answer Correct Answer: C) 2$^{nd}$ and 7$^{th}$ rib. 6. Ribs have two articulation surfaces on its dorsal end, hence called A) Bicondylic. B) Bicephalic. C) Dicondylic. D) Sarcomere. Show Answer Correct Answer: B) Bicephalic. 7. Study of muscle is called A) Myology. B) Arthrology. C) Morphology. D) Osteology. Show Answer Correct Answer: A) Myology. 8. S 1-Skull, vertebral column, ribs and sternum constitute the axial skeleton.S 2-Each sarcomere has a central 'A' band and two half 'I' bands on either side of it A) Both the statements are correct. B) Both the statements are incorrect. C) Only S1 is correct. D) Only S2 is correct. Show Answer Correct Answer: A) Both the statements are correct. 9. How many bones are in the human cranium? A) 10. B) 6. C) 8. D) 12. Show Answer Correct Answer: C) 8. 10. The joint between the adjacent vertebrae in the vertebral column- A) Fibrous joint. B) Cartilaginous joints. C) Synovial joined. D) None. Show Answer Correct Answer: B) Cartilaginous joints. 11. Which statement is not true to explain the leg movement. A) The calf muscle contracts to lift the heel. B) The tibialis contracts will bring the heel down to the ground. C) The quadriceps femoris contracts to straighten the leg. D) The biceps femoris relaxes cause the leg bend at the knee joint. Show Answer Correct Answer: D) The biceps femoris relaxes cause the leg bend at the knee joint. 12. Regulating proteins of muscles are: A) A-troponin. B) B-tropomyosin. C) Both a and b. D) Myofibrils. Show Answer Correct Answer: C) Both a and b. 13. In mammals, the number of cervical vertebra is A) 5. B) 12. C) 7. D) 10. Show Answer Correct Answer: C) 7. 14. Single sarcomere will contain: A) 1I + 1/2A + 1I. B) 1/2I +1A + 1/2I. C) 1I + 1A + 1I. D) NONE. Show Answer Correct Answer: B) 1/2I +1A + 1/2I. 15. 1-Each meromyosin has two important parts, a globular head with a short arm and a tail, called as the light meromyosin (LMM).2-A complex protein Troponin is distributed at irregular intervals on the tropomyosin. A) 1 and 2 both are correct. B) 1 and 2 both are incorrect. C) 1 is correct only. D) 2 is correct only. Show Answer Correct Answer: B) 1 and 2 both are incorrect. 16. When the circular muscle contract, the longitudinal muscle relax, the earthworm become A) Shorter and thinner. B) Shorter and thicker. C) Longer and thinner. D) Longer and thicker. Show Answer Correct Answer: C) Longer and thinner. 17. Which of the following is a characteristic of smooth muscle? A) Involuntary control. B) Voluntary control. C) Striated appearance. D) Both A and B. Show Answer Correct Answer: A) Involuntary control. 18. Which type of movement is exhibited by unicellular organisms like Amoeba? A) Ciliary movement. B) Amoeboid movement. C) Flagellar movement. D) Muscular movement. Show Answer Correct Answer: B) Amoeboid movement. 19. Total number of movable bones in human skull are A) 4. B) 6. C) 1. D) 7. Show Answer Correct Answer: C) 1. 20. Number of vertebrae in human skeleton is? A) 30. B) 26. C) 32. D) 35. Show Answer Correct Answer: B) 26. 21. Which muscle does not fatigue and possesses abundant blood supply during life span? A) Skeletal muscle. B) Smooth muscle. C) Cardiac muscle. D) Both B and C. Show Answer Correct Answer: D) Both B and C. 22. A-cardiac muscles are involuntary in natureR-nervous system does not control their activities directly 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: D) A&R both true, R is correct explanation of A. 23. A cup shaped bone that covers the knee ventrally is:- A) Stapes. B) Patella. C) Malleus. D) Incus. Show Answer Correct Answer: B) Patella. 24. 1-Thoracic vertebrae, ribs and sternum together form the thoracic cage .2-First vertebra is the axis and it articulates with the occipital condyles A) Both are correct. B) Both are incorrect. C) A is correct and R is incorrect. D) A is incorrect and R is correct. Show Answer Correct Answer: B) Both are incorrect. 25. Match the following bones with their total number .(a) Ear ossicles-(p) 8(b) Vertebral Column-(q) 26(C) Cranium-(r) 14(d) Tarsals-(s) 6 A) -(s)(b)-(p)(c)-(q)(d)-(r). B) -(s)(b)-(q)(c)-(p)(d)-(r). C) -(p)(b)-(q)(c)-(r)(d)-(s). D) -(s)(b)-(p)(c)-(r)(d)-(p). Show Answer Correct Answer: B) -(s)(b)-(q)(c)-(p)(d)-(r). 26. All the statements are incorrect except-1-Macrophages and leucocytes in blood exhibit amoeboid movement.2-Muscle is a specialised tissue of ectodermal origin.3-Cardiac muscle are voluntary in nature .4-Each skeletal muscle in our body is made of a number of fascia held together by fascicles. A) 3. B) 2. C) 1. D) 4. Show Answer Correct Answer: C) 1. 27. Anatomical unit of the skeletal muscle is: A) Muscle Fiber. B) Muscle Bundle. C) Sarcolemma. D) Sarcomere. Show Answer Correct Answer: D) Sarcomere. 28. Name of chest bone in axial skeleton of human body is A) Ulna. B) Vertebrae. C) Ribs. D) Sternum. Show Answer Correct Answer: D) Sternum. 29. Lumbar vertebra are found in A) Abdominal region. B) Neck region. C) Hip region. D) Thorax. Show Answer Correct Answer: A) Abdominal region. 30. What structure is the cardiac muscles? A) Striated. B) Non-striated. C) Voluntary. D) None of the above. Show Answer Correct Answer: A) Striated. 31. Which type of joint is present between malleus and incus:- A) Pivot. B) Ellipsoid. C) Hinge. D) Condyloid. Show Answer Correct Answer: C) Hinge. 32. One myosin filament in the myofibril of skeletal muscle fibres is surrounded by how many actin filaments- A) 6. B) 2. C) 8. D) 4. Show Answer Correct Answer: A) 6. 33. Biceps are attached with- A) Femur. B) Radius. C) Humerus. D) Ulna. Show Answer Correct Answer: C) Humerus. 34. Identify the joint which is not a synovial joint A) Gliding joint. B) Sutures. C) Hinge joint. D) Saddle joint. Show Answer Correct Answer: B) Sutures. 35. A-vertebral column protects the spinal cord onlyB-sternum is a flat triangular bone located on the ventral midline of thorax 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: D) Both A&R are false. 36. The action potential that triggers a muscle contraction travels deep within the muscle cell by means of- A) Sarcoplasmic reticulum. B) Synapse. C) Motor end plates. D) Transverse tubules. Show Answer Correct Answer: D) Transverse tubules. 37. S1-The central part of thick filament, not overlapped by thin filaments is called the 'H' zoneS2-In White fibres number of mitochondria is very high, but the amount of sarcoplasmic reticulum is less.S3-The 'A' and 'I' bands are arranged alternately throughout the length of the myofibrils. A) S 1 and S 2 both are correct. B) S 2 and S 3 both are correct. C) All are correct. D) S 1 and S 3 both are correct. Show Answer Correct Answer: D) S 1 and S 3 both are correct. 38. What type of joint is the knee classified as? A) Gliding joint. B) Pivot joint. C) Hinge joint. D) Ball-and-socket joint. Show Answer Correct Answer: C) Hinge joint. 39. Which of the following statements about the skeletal muscles is correct? A) They are striated muscles. B) They are voluntary muscles. C) They are primarily involved in locomotory actions. D) All. Show Answer Correct Answer: D) All. 40. A-a cup shaped bone called patella covers the knees dorsallyR-it is called knee cap 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: D) Both A&R are false. 41. A motor unit is formed by A) A mixed neuron along with the muscle fibres. B) A motor neuron along with the muscle fibres connected to it. C) A sensory neuron along with the muscle fibres connected to it. D) A sensory neuron, motor neuron and muscle fibres connected to it. Show Answer Correct Answer: B) A motor neuron along with the muscle fibres connected to it. 42. A-Cartilage has a very hard matrix due to calcium salts in it .B-Axial skeleton and Appendicular skeleton consist of 80 and 126 bones respectively. A) A is correct only. B) B is correct only. C) A and B both are correct. D) A and B both are incorrect. Show Answer Correct Answer: B) B is correct only. 43. A-mechanism of muscle contraction is best explained by sliding filament theoryR-it says that contraction of muscle fibre take place by sliding thick filaments over thin filaments 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: C) A is true but R is false. 44. What is the primary cause of muscle fatigue? A) Protein breakdown. B) Lactic acid accumulation. C) Calcium deficiency. D) Oxygen depletion. Show Answer Correct Answer: B) Lactic acid accumulation. 45. Select the true statement(s)- A) A-band is present in the middle of sarcomere. B) H-zone is present in the middle of A-band. C) M-line is present in the middle of H-zone. D) All of the above. Show Answer Correct Answer: D) All of the above. 46. Which of the following cells exhibit amoeboid movement? A) Macrophages. B) Leucocytes. C) RBC. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 47. S 1-Each vertebra has a neural canal through which the spinal cord passes.S 2-Actin and myosin are polymerised proteins with contractility. 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: A) Both the statement are correct. 48. A-the portion of myofibril between two successive Z lines is considered as the functional unit of contraction called sarcomereR-during contraction, I bands get reduced and A bands retain the length, thereby causing shortening of sarcomere 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. 49. Cyclosis a characteristic of plant cell. this movement is due to A) Cytoplasmic streaming. B) Sliding microtubule. C) Podia formation. D) Beating of cilia. Show Answer Correct Answer: A) Cytoplasmic streaming. 50. Common to kidney and skeleton in mammals is A) Pelvis. B) Cortex. C) Medulla. D) Radius. Show Answer Correct Answer: A) Pelvis. 51. Where does the clavicle articulate? A) Coracoid Process. B) Glenoid Cavity. C) Acromion Process. D) Styloid Process. Show Answer Correct Answer: C) Acromion Process. 52. Which muscle is not under direct control of nervous system? A) Skeletal (Striated muscles). B) Smooth (Non-striated muscles). C) Cardiac muscles. D) All of these. Show Answer Correct Answer: C) Cardiac muscles. 53. Contraction of muscles require enough blood supply. Why? A) To provide more ATP. B) To increase breathing rate. C) To increase heart beat. D) To move the hands. Show Answer Correct Answer: A) To provide more ATP. 54. Hyoid / Tongue bone is- A) J-shaped. B) U-shaped. C) T-shaped. D) L-shaped. Show Answer Correct Answer: B) U-shaped. 55. A neural signal reaching the neuromuscular junction releases a neurotransmitter which generates action potential in A) Cross arm. B) Sarcoplasm. C) Sarcoplasmic reticulum. D) Sarcolemma. Show Answer Correct Answer: D) Sarcolemma. 56. Which of the following cell show amoeboid movement? A) Lymphocytes. B) Thrombocytes. C) Leucocytes. D) Erythrocytes. Show Answer Correct Answer: C) Leucocytes. 57. Which of the following situations make the usage of visceral muscles? A) Locomotory actions. B) Presence in the heart. C) Changes of body postures. D) Transportation of food through the digestive tract. Show Answer Correct Answer: D) Transportation of food through the digestive tract. 58. During muscle contraction A) GTP is broken down. B) ATP is formed. C) ATP is broken down. D) None of these. Show Answer Correct Answer: C) ATP is broken down. 59. Actin protein occurs in which of the two forms? A) Polymeric:F-actin and monomeric-G actin. B) Monomeric:F actin and Polymeric:G actin. C) The tail and a head. D) F-actin and G-actin, both globular. Show Answer Correct Answer: A) Polymeric:F-actin and monomeric-G actin. 60. When the pectoralis major contracts and pectoralis minor relax, the wings are A) Pulled down. B) Pulled up. C) All the above. D) None of the above. Show Answer Correct Answer: A) Pulled down. ← 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 4Class 11 Biology Chapter 20 Locomotion And Movement Quiz 5Class 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