Zoology MCQ Quiz Hub

Zoology MCQS[NEET-2021 to 2022]-Locomotion and Movement

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1. Mark the correct statement?




2. The cross arm that forms the cross bridges during muscle contraction is formed by




3. During resting stage the binding site of action for myosin remains masked by




4. The macrophages in human body exhibit




5. Mark the incorrect statement in the following




6. Which of the following is not the feature of red muscle fibres




7. Streaming of cytoplasm is seen in




8. Which of the following statements is correct?




9. Which o the following statement about the skeletal muscles is correct?




10. Heart muscles are




11. The source of Ca++ for the muscle is




12. The fascia surrounding a muscle is made up of-




13. Contractile fibrils of muscle are called-




14. Myofibrils show alternate dark and light bands in




15. which one the smallest one?




16. Z-line divides the myofibrils into-




17. Sarcomere is the area between




18. Light bands contain actin and are called-




19. The region between the ends of the A-bands of 2 adjoining sarcomeres is called




20. An individual sarcomere consists of




21. One myosin filament in the myofibril of skeletal muscle fibres is surrounded by how actin filaments




22. Tropomysin is moved by which of following protiens




23. The action potential that triggers a muscle contraction travels deep within the muscle cell by means of




24. Motor end plate is a




25. The energy for muscle contraction is most directly obtained from




26. According to the sliding filament theroy




27. Relaxation of muscle is due to




28. When a skeletal muscle shortens during contraction which of these statements is fales




29. The muscle band that remains unchanged during muscle of contraction and relaxation of the skeletal muscle is




30. Skeletal system consists of




31. Contractile unit the muscle is part of myofibril between




32. The number of thick myofilaments surrounding single thin myofilament ( actin ) are




33. At rest when muscle is relaxed the thin filaments interdigiate with the thick filaments only




34. The ion that must be present in adequate amount for binding of cross bridges with actin is




35. Anaerobin work becomes painful due to accumulation of




36. Type of movement shown by paramecium is




37. Which of the following can be taken as a character of skeletal muscle fibre




38. Each fasciculus of skeleetal muscle fibre is surrounded by




39. What types of muscles are found in the reproductive system in human?




40. The connective tissue on the outer surface of a bone is called as




41. Locomotory organs in starfish are




42. Muscle that bends one part over another is called




43. Coronary process is a part of




44. Foramen magnum and occipital condyles are found in




45. Muscle that brings the limbs towards midline of body is known as




46. One myosin filament in the myofibril of skeletal muscale fibre is surrounded by how many actin filaments




47. Abductor muscles is antagonist of




48. Functional unit of a muscle fibre is




49. The only movable bone in the skull is




50. Which of the following is the regulatory muscle protein having double chain structure




51. Elbow joint is a type of which joint?




52. Time taken by a singal muscle twitch is




53. Sutures present between various bones of skull are ___ joint ?




54. Cartilaginous joints




55. The constraction of muscle of shortest duration is seen in




56. The muscle fatigue occurs due to accumulation of




57. Hinge joints




58. In a contracted skeletal muscle fibre




59. Joints between carpals are




60. In old age stiffness of joints is due to the