This quiz works best with JavaScript enabled. Home > Class 11 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Actin binding sites are located in? A) Troponin. B) Tropomyosin. C) Meromyosin. D) Troponin & tropomyosin. Show Answer Correct Answer: A) Troponin. 2. What is the role of myoglobin in muscle tissue? A) To store calcium. B) To store oxygen. C) To produce ATP. D) To contract muscles. Show Answer Correct Answer: B) To store oxygen. 3. Energy stored in liver and muscle in the form of A) Carbohydrates. B) Fat. C) Protein. D) Glycogen. Show Answer Correct Answer: D) Glycogen. 4. Ribs are A) Membranous bones. B) Sesamoid bones. C) Cartilagenous bones. D) Dermal bones. Show Answer Correct Answer: C) Cartilagenous bones. 5. How many bones make up the human skeleton? A) 216. B) 196. C) 296. D) 206. Show Answer Correct Answer: D) 206. 6. The coordinated movement of flagella in respiratory tract helps in clearing the mucus A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. What type of joint is found between the phalanges? A) Ball and socket joint. B) Hinge joint. C) Pivot joint. D) Gliding joint. Show Answer Correct Answer: B) Hinge joint. 8. The lactic acid generated during muscle contraction is converted to glycogen in A) Muscle. B) Kidney. C) Pancreas. D) Liver. Show Answer Correct Answer: C) Pancreas. 9. S 1-Joints are essential for all types of movements involving the bony parts of the body.S 2-The bones of the ribs along with their girdles constitute the appendicular skeleton. A) Both are correct. B) Both are incorrect. C) Only S 1 is correct. D) Only S 2 is correct. Show Answer Correct Answer: C) Only S 1 is correct. 10. How many tarsels are present in the human body A) 8. B) 7. C) 6. D) 4. Show Answer Correct Answer: B) 7. 11. (1) Sarcomere is the anatomical unit of muscle. (2) Ca++ activates actin which binds to the myosin head to form a cross bridge.(3) Myosin head contains ATPase and has ATP binding sites and active sites for actin. A) All the correct. B) 1 and 2 are correct. C) 2 and 3 are correct. D) 1 and 3 are correct. Show Answer Correct Answer: C) 2 and 3 are correct. 12. Anaerobic work becomes painful due to accumulation of A) Ca$^{+2}$ ions. B) Myosin. C) Lactic acid. D) Creatine phosphate. Show Answer Correct Answer: C) Lactic acid. 13. Stimulation of a muscle fibre by a motor neuron occurs at: A) Sarcoplasmic reticulum. B) Neuromuscular junction. C) T tubules. D) Troponin. Show Answer Correct Answer: B) Neuromuscular junction. 14. Assertion-First seven pairs of ribs are called true ribs.Reason-Dorsally, they are attached to the thoracic vertebrae and ventrally connected to the sternum with the help of hyaline cartilage A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true and R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: A) Both A and R are true and R is the correct explanation of A. 15. Match the following-(a) Ball and Socket joint (p) between tarsals(b) Gliding joint-(q) between atlas and axis (c) Pivot-(r) between femur and pelvic girdle A) -(q) (b)-(p)(c)-(r). B) -(p) (b)-(q)(c)-(r). C) -(r) (b)-(p)(c)-(q). D) -(q) (b)-(r)(c)-(p). Show Answer Correct Answer: C) -(r) (b)-(p)(c)-(q). 16. What type of joint is the ankle classified as? A) Hinge joint. B) Pivot joint. C) Saddle joint. D) Ball-and-socket joint. Show Answer Correct Answer: A) Hinge joint. 17. S 1-Visceral muscles assist in the transportation of food through the digestive tract.S 2-Muscle bundle are held together by fascia A) Both the statements are correct. B) Both the statements are incorrect. C) Only S 1 is correct. D) Only S 1 is incorrect. Show Answer Correct Answer: A) Both the statements are correct. 18. The lactic acid formed during muscle contraction is converted to glycogen in A) Liver. B) Kidney. C) Muscle. D) Pancreas. Show Answer Correct Answer: A) Liver. 19. The cross bridges of the sacromere in skeletal muscle are made up of- A) Actin. B) Myosin. C) Troponin. D) Myelin. Show Answer Correct Answer: B) Myosin. 20. If The 'Z' line attached to actin filament does not get pulled inwards, it means there is A) Shortening of sarcomere occurs. B) Z line disappears. C) No shortening of sarcomere. D) M line disappears. Show Answer Correct Answer: C) No shortening of sarcomere. 21. Number of bones in human appendicular skeleton is- A) 80. B) 120. C) 126. D) 206. Show Answer Correct Answer: C) 126. 22. Which of the statement below is true? A) Biceps femoris is an extensor. B) Quadriceps femoris is an extensor. C) Tricpes is a flexor. D) Calf muscle is a flexor. Show Answer Correct Answer: B) Quadriceps femoris is an extensor. 23. What is the role of acetylcholine in muscle contraction? A) To store calcium. B) To initiate contraction. C) To provide energy. D) To relax muscles. Show Answer Correct Answer: B) To initiate contraction. 24. In human, at dorsal side of rib two articulation surface present so rib called as:- A) Monocephalic. B) Bicephalic. C) Tricephalic. D) Quadracephalic. Show Answer Correct Answer: B) Bicephalic. 25. Pelvic girdle consists of A) 2 coxal bones. B) One coxal bone. C) 3 coxal bones. D) Four coxal bones. Show Answer Correct Answer: A) 2 coxal bones. ← PreviousNext →Related 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 20 Locomotion And Movement Quiz 7Class 11 Biology Chapter 20 Locomotion And Movement Quiz 8Class 11 Biology Chapter 20 Locomotion And Movement Quiz 9Class 11 Biology Chapter 20 Locomotion And Movement Quiz 10Class 11 Biology Chapter 20 Locomotion And Movement Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books