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Class 11 Biology Chapter 20 Locomotion And Movement Quiz 4 (60 MCQs)

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1. How many of the following features belong to Skeletal muscle?1) Striated appearance2) Voluntary nature3) Not under the control of CNS4) Primarily involved in locomotion action
2. The ion that must be present in adequate amount for binding of cross bridge with actin is
3. Lower jaw is amde up of
4. Which is the smallest one?(a) (b) (c) (d)
5. The muscle fatigue occurs due to the accumulation of
6. Glenoid cavity articulates
7. Which of the following joint would allow no movement?
8. Sonia Gandhi has how many ear ossicle-
9. Which elements are involved in muscle contraction:
10. The source of Ca+2 for the muscle is-
11. Number of bones in human axial skeleton is-
12. Name the ion responsible for unmasking of active site for myosin for cross bridge activity during muscle contraction.
13. Read the statements given below w.r.t vertebral column in human beings and select the correct option.
14. How many ribs are present in the human body?
15. In human arm, we have seen how the biceps contracts to bend the elbow, while triceps relaxes. This action is called ..... Pada lengan manusia, didapati biseps mengecut untuk membengkokkan lengan, manakala triseps mengendur. Tindakan ini dinamakan .....
16. An individual sarcomere consist of-
17. Myotome muscles are ..... shaped muscle segment found on both sides of fish spine.
18. When a skeletal muscle shortens during contraction which of these statements is false?
19. By which structure complete pelvic girdle is formed?
20. What is the role of the Z line in a sarcomere?
21. Components of thin filament of a sarcomere are:
22. Which type of joint connects the skull bones?
23. Deposition of uric-acid crystals with in the synovial joint causes:-
24. A 7 year old boy is suffering from an auto immune disorder affecting neuromuscular junction leading to fatigue, weakness and paralysis of skeletal muscles. Select the correct answer for the given diagnosis.
25. . Locomotion and capture of prey in Hydra occurs with the help of
26. The number of cervical vertebrae in camels is
27. Shape of the bone present at the base of buccal cavity is
28. How many bones are in the human hand?
29. A) All locomotions are movements, but all movements are not locomotionB) All involuntary muscle fibres are smooth but all smooth fibres are not involuntary
30. Assertion-Calcium ion is responsible for muscle contraction.Reason-Binding of calcium with a subunit of troponin on actin filaments and thereby remove the masking of active sites for myosin.
31. Components of Actin filament of a sarcomere are:
32. What is the primary function of synovial fluid?
33. The component of a muscle fibre known as sarcolemma functions as
34. Contractile fibrils of muscles are called-
35. Assertion-Red muscle fibre are anaerobic muscles .Reason-Red muscle fibre contain plenty of mitochondria which can utilise the large amount of oxygen stored in them for ATP production.
36. Below all are the properties of muscles and neurons . which is not the property of a neuron but of a muscle:
37. Contractile unit of muscle fiber is called:
38. The motor end plate is a junction between
39. A-each clavicle is long slender bone with 3 curvaturesR-this bone is commonly called the collar bone
40. Each limb ( upper or lower) consists of how many bones-
41. Number of bones of face is
42. How many bones are present in the skull?
43. Protein which is present in cartilage is:
44. Muscular Dystrophy is a Genetic Disorder.
45. Role of calcium ion in muscle contraction is
46. Contractile unit of muscle is part of myofibril between
47. How many ball and socket joints are present in a human body?
48. The fascia surrounding a muscle is made up of-
49. What is the form of locomotion in Amoeba?
50. What is the portion between two successive 'Z' lines?
51. Upon stimulation of skeletal muscle, calcium is immediately made available for binding to troponin from
52. Total number of muscles in our body is
53. Some voluntary movement which result in change of place or location are called
54. Which of the following is the muscle in the earthworm
55. Fibrous joints in humans
56. Sarcolemma is found over
57. Which of the following is true about the sliding filament theory?
58. The shoulder blade is large triangular bone situated in the dorsal part of the thorax between the 2nd and 7th ribs. it is called-
59. What is the 'F' actin made up of?
60. In human beings the cranium is formed by-
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