NCERT CLASS 11 | TOPIC : LOCOMOTION AND MOVEMENT | QB-1 | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : LOCOMOTION AND MOVEMENT | QB-1 | NEET BIOLOGY ONLINE TEST

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It contains 100 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : www.onlinetest.kalvisolai.com

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1 ➤ 1. Which of the following is a simple form of movement?

(a) Streaming of protoplasm in amoeba (b) Ciliary movement in paramecium (c) Flagellar movement in Euglena (d) All of these

2 ➤ 2. The movement which results in a change of place or location is known as

(a) Contraction (b) Adduction (c) Abduction (d) Locomotion

3 ➤ 3. Select the correct matching :

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A. Paramecium – 1. Cilia – X. Movement of food through cytopharynx and locomotion.

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B. Hydra – 2. Tentacles – Y. Capturing of prey and for locomotion.

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C. Human – 3. Limbs – Z. Changes in body posture and for locomotion.

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(a) A−1−X, B−2−Y, C−3−Z (b) A−1−Z, B−3−X, C−2−Y (c) A−3−Z, B−1−X, C−2−Y (d) A−2−Y, B−3−X, C−1−Z

4 ➤ 4. Select the incorrect statement?

(a) Plant and animal both exhibit movement. (b) All locomotion are movement but all movement are not locomotion. (c) Methods of locomotion performed by animals with their habitats and the demand of the situation. (d) None of the above

5 ➤ 5. Locomotion is used for

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(A) Search of food and shelter

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(B) Search for mate

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(C) Search for suitable breeding ground

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(D) Escaping from enemies/Predators

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(a) All except B (b) All except C (c) All except D (d) All of these

6 ➤ 6. Which is the movement exhibited by the cell of a human body?

(a) Amoeboid (b) Ciliary (c) Fagellar (d) All of these

7 ➤ 7. Which of the following cells exhibit amoeboid movement?

(a) Macrophages (b) Leucocytes (c) RBC (d) Both (a) and (b)

8 ➤ 8. Which of the following is correct about pseudopodia?

(a) Formed by streaming of protoplasm (b) Formed in amoeba and neutrophile (c) Both (a) and (b) (d) None of these

9 ➤ 9. Which of the following is involved in amoeboid movement?

(a) Centriole (b) Cilia (c) Flagella (d) Microfilament

10 ➤ 10. Which of the following organs is lined with cilia?

(a) Fallopian tube (b) Trachea (c) Intestine (d) Both (a) and (b)

11 ➤ 11. Locomotion requires a perfect coordinated activity of

(a) Muscular system (b) Skeletal system (c) Neural system (d) All of these

12 ➤ 12. Muscle is derived from

(a) Mesoderm (b) Ectoderm (c) Endoderm (d) All of these

13 ➤ 13. Muscle forms __________ of adult human body.

(a) 30−40% (b) 40−50% (c) 50−60% (d) 60−70%

14 ➤ 14. Muscles are characterized by

(a) Excitability and contractility (b) Extensibility (c) Elasticity (d) All of these

15 ➤ 15. Muscles can be classified on which of the following criterion?

(a) Location (b) Appearance (c) Nature of regulation of their activities (d) All of these

16 ➤ 16. How many types of muscles can be identified depending upon the location?

(a) 1 (b) 2 (c) 3 (d) 4

17 ➤ 17. Which of the following is incorrect about skeletal muscles?

(a) Striped appearance under microscope hence called striated muscle. (b) They are voluntary muscles. (c) Primarily involved in locomotory actions and changes the body postures. (d) They are Involuntary muscles.

18 ➤ 18. Which of the following is incorrect about visceral muscles?

(a) Non-striated muscle (Smooth muscle) (b) Involuntary muscle (c) Located in inner walls of hollow visceral organs of the body (d) They are under in voluntary control

19 ➤ 19. Smooth muscles help in

(a) Transportation of food through the digestive tract (b) Transfer of gametes through genital tract (c) Micturition by urinary bladder (d) All the above

20 ➤ 20. Cardiac muscle is characterized by

(a) Striated appearance (b) Involuntary control (c) Branching pattern (d) All of these

21 ➤ 21. 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

22 ➤ 22. Muscle fibre is a

(a) Anatomical unit of muscle (b) Physiological unit of muscle (c) Biochemical unit of muscle (d) None of these

23 ➤ 23. Identify A, B, C and D in the given figure.

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(a) A–Sarcolemma, B–Blood capillary, C–Fascicle (muscle bundle), D–Muscle fibre (muscle cell) (b) A–Blood capillary, B–Muscle fibre (muscle cell), C–Fascicle (muscle bundle), D–Sarcolemma (c) A–Sacrolemma, B–Muscle fibre (muscle cell), C–Fesicle (muscle bundle), D–Blood capillary (d) A–Muscle fibre (muscle cell), B–Sarcolemma, C–Blood capillary, D–Fascicle (muscle bundles)

24 ➤ 24. Each organized skeletal muscle in our body is made up of a number of muscle bundles or fascicles held together by a common collagenous connective tissue layer called

(a) Tunicine (b) Fascia (c) Pellicle (d) Capsule

25 ➤ 25. Select the correct matching from the following:

(a) Plasma membrane of muscle fibres – Sarcolemma (b) Cytoplasm of muscle fibres – Sarcoplasm (c) Endoplasmic reticulum of muscle fibres – Sarcoplasmic reticulum (d) All the above

26 ➤ 26. Sarcoplasmic reticulum is a storehouse of which ion

(a) Ca2+ (b) Na+ (c) K+ (d) Fe2+

27 ➤ 27. Sarcolemma is a membrane found over

(a) Nerve fibre (b) Cardiac muscle (c) Skeletal muscle fibre (d) Heart

28 ➤ 28. The functional unit of the contractile system in the striped muscle is

(a) Z-band (b) A-band (c) Myofibril (d) Sarcomere

29 ➤ 29. Contraction of a muscle is caused by

(a) Myosin (b) Actin (c) ATP (d) Actomyosin

30 ➤ 30. The dark bands (A-bands) of a skeletal muscle are known as

(a) Isotropic bands (b) Anisotropic bands (c) Intercalated disc (d) Cross bridges

31 ➤ 31. The light bands (I-bands) of a skeletal muscles are known as

(a) Isotropic bands (b) Anisotropic bands (c) Intercalated disc (d) Cross bridges

32 ➤ 32. Ciliary muscles are found in

(a) Diaphragm of a mammal (b) Eyes of vertebrates (c) Heart of vertebrates (d) Stomach of frog

33 ➤ 33. Intercostal muscles are found in

(a) Fingers (b) Thoracic ribs (c) Femur (d) Radius-ulna

34 ➤ 34. The special contractile protein actin is found in

(a) Thick filaments of A-bands (b) Thin filaments of I-bands (c) Both thick and thin bands (d) Whole of myofibril

35 ➤ 35. Striped muscles have

(a) One nucleus (b) Many nuclei (c) Two nuclei (d) No nuclei

36 ➤ 36. Contractile fibrils of muscles are called

(a) Neurofibrils (b) Collagen fibres (c) Myofibrils (d) Elastin

37 ➤ 37. Myofibrils show alternate dark and light bands in

(a) Cardiac muscles (b) Smooth muscles (c) Skeletal muscles (d) Both (a) and (c)

38 ➤ 38. Select the correct statement:

(a) A-band is made up of thick myosin filament. (b) H-zone is present in the middle of A-band. (c) Actin and myosin are polymerized protein with contractility. (d) All the above

39 ➤ 39. Match the columns :

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(A) Inflammation of joints – (1) H-zone

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(B) Protein of thick filament – (2) Myosin

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(C) Protein of thin filament – (3) Actin

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(D) The central part of thick filament is not overlapped by thin filament – (4) Arthritis

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(a) A–1, B–2, C–3, D–4 (b) A–1, B–3, C–2, D–4 (c) A–4, B–1, C–2, D–3 (d) A–4, B–2, C–3, D–1

40 ➤ 40. Which of the following statements about the striated muscles is false?

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1. Thick filaments in the ‘A’ band are also held together in the middle of this band by a thin fibrous membrane called ‘M’ line.

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2. In the centre of each ‘I’ band is an elastic fibre called ‘Z’ line which bisects it.

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3. The thin filaments are firmly attached to the ‘Z’ line.

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4. This central part of thick filament, not overlapped by thin filaments is called the ‘H’ zone.

(a) All of these (b) Only 2 (c) 1 and 4 only (d) None of these

41 ➤ 41. Which of the following statements about the molecular arrangement of actin in myofibrils is incorrect?

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1. Each actin (thin) filament is made of two ‘F’ (filamentous) actins helically wound to each other.

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2. Each ‘F’ actin is a polymer of monomeric ‘G’ (Globular) actins.

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3. Two filaments of another protein, tropomyosin also runs close to the ‘F’ actins throughout its length.

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4. A complex protein troponin is distributed at regular intervals on the tropomyosin.

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(a) 1 and 2 only (b) 3 only (c) Only 4 (d) None of these

42 ➤ 42. Select the total number of true statements from the following.

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1. Each myosin (thick) filament is also a polymerized protein.

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2. Many monomeric proteins called meromyosins constitute one thick filament.

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3. Each meromyosin has two important parts, a globular head with a short arm and a tail, the former being called the heavy meromyosin (HMM) and the latter is called the light meromyosin (LMM).

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4. The HMM component, i.e., the head and short arm projects outwards at regular distance and angle from each other from the surface of a polymerized myosin filament and is known as cross arm.

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5. The globular head is an active ATPase enzyme and has binding sites for ATP and active sites for actin.

(a) 1 (b) 2 (c) 4 (d) 5

43 ➤ 43. Binding of Ca2+ with _____ in the skeletal muscles and leads to the exposure of the binding site for _____ on the filament _____.

(a) Troponin, myosin, actin (b) Troponin, actin, relaxin (c) Actin, myosin, troponin (d) Tropomyosin, myosis, actin

44 ➤ 44. Following is the figure of actin (thin) filaments. Identify A, B and C.

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(a) A−Tropomyosin, B−Troponin, C−F actin (b) A−Tropomyosin, B−Myosin, C−F Tropomyosin (c) A−Troponin, B−Tropomyosin, C−Myosin (d) A−Troponin, B−Tropomyosin, C−F actin

45 ➤ 45.

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The above figure is related to the myosin monomer (meromyosin). Identify A to C.

(a) A–head, B–cross arm, C–GTP binding sites (b) A−Cross arm, B−ATP Binding sites, C−Head (c) A–head, B–cross arm, C–ATP binding sites (d) A–cross arm, B–head C–ATP binding sites

46 ➤ 46. Identify A to D in the below figure.

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(a) A–Actin binding sites, B–Head, C–Cross arm, D–ATP binding sites (b) A–Cross arm, B–Actin binding sites, C–ATP binding sites, D–Head (c) A–ATP binding sites, B–Head, C–Actin binding sites, D–Cross arm (d) A–Head, B–Cross arm, C–ATP binding sites, D–Actin binding sites

47 ➤ 47. Mechanism of muscle contraction is best explained by

(a) All or no law (b) Sliding filament theory (c) Blackman’s law (d) All of these

48 ➤ 48. ATP provides energy for muscle contraction by allowing for

(a) An action potential formation in the muscle cell. (b) Cross-bridge detachment of myosin from actin. (c) Cross-bridge attachment of myosin to actin. (d) Release of Ca2+ from sarcoplasmic reticulum.

49 ➤ 49. A motor unit is best described as

(a) All the nerve fibres and muscle fibres in a single muscle bundle. (b) One muscle fibre and its single nerve fibre. (c) A single motor neuron and all the muscle fibres that it innervates. (d) As the neuron which carries the message from muscles to CNS.

50 ➤ 50. Motor end plate is a

(a) Neuromuscular junction (b) Plate of motor neuron (c) Dendron of motor neuron (d) Gradient of protein motive force

51 ➤ 51. During muscle contraction,

(a) Chemical energy is changed into electrical energy (b) Chemical energy is changed into mechanical energy (c) Chemical energy is changed into physical energy (d) Mechanical energy is changed into chemical energy

52 ➤ 52. Electron microscopic studies of the sarcomeres have revealed that during muscle contraction

(a) The width of A-band remains constant (b) The width of the H-zone increases (c) The width of I-band increases (d) The diameter of the fibre increases

53 ➤ 53. According to the sliding filament theory

(a) Actin (thin filament) moves over myosin (thick filament) (b) Myosin moves over actin (c) Both myosin and actin move on each other (d) None of the above

54 ➤ 54. Put the following statement in proper order to describe muscle contraction.

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1. Signal sent by CNS via motor neuron.

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2. Generation of action potential in the sarcolemma.

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3. Release of Ca+2 from sarcoplasmic reticulum.

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4. The neurotransmitter acetycholine released motor endplate.

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5. Sarcomere shorterns.

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(a) 1 → 2 → 4 → 3 → 5 (b) 1 → 4 → 2 → 3 → 5 (c) 1 → 4 → 3 → 2 → 5 (d) 5 → 4 → 3 → 2 → 1

55 ➤ 55. Go through the following diagram describing muscle contraction. Identify A to E.

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(a) A−Sliding/Rotation, B−Actin filament, C−Myosin head, D−ATP (b) A–Myosin head, B–Sliding/Rotation, C–ATP, D–Actin filament (c) A−Sliding/Rotation, B−Myosin head, C−Actin filament, D−ATP (d) A−Actin filament, B−Sliding/Rotation, C−ATP, D−Myosin head

56 ➤ 56. Which of the following muscle gets into fatigue very early?

(a) Skeletal muscle (b) Smooth muscle (c) Cardiac muscle (d) All of these

57 ➤ 57. Relaxation of muscle is due to the

(a) Pumping of Ca+2 into sarcoplasmic cisternae (b) Presence of ATP (c) Conformational change in troponin and masking of actin filaments (d) Both (a) and (c)

58 ➤ 58.

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The diagrams given above depicts three different condition of sarcomeres. Identify these conditions:

(a) A–contracting, B–relaxed, C–maximally contracted (b) A–relaxed, B–contracting, C–maximally contracted (c) A–maximally contracted, B–relaxed, C–contracting (d) A–relaxed, B–maximally contracted, C–contracting

59 ➤ 59. Repeated activation of the muscles can lead to the accumulation of _______ due to anaerobic breakdown of glycogen in there causing fatigue.

(a) ethanol (b) lactic acid (c) citric acid (d) butyric acid

60 ➤ 60. A neurotransmitter ________ generates an action potential in the sarcolemma.

(a) GABA (b) Epinephrine (c) Glycine (d) Acetyt choline

61 ➤ 61. Which of the following statement is correct?

(a) A motor neuron along with the muscles fibres connected to it constitute a motor unit. (b) The reaction time of the fibres can vary in different muscles. (c) Muscle fatigue is due to lactic acid formation due to anaerobic respiration. (d) All the above

62 ➤ 62. The protein which maintains the muscular storage of oxygen is

(a) Myoglobin (b) Actomyosin (c) Myosin (d) Haemoglobin

63 ➤ 63. Which is not the correct difference between white and red muscle fibres?

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1. Less myoglobin – 1. More myglobin

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2. Number of mitochondria is less – 2. Number of mitochondria is more

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3. Amount of sarcoplasmic reticulum is low – 3. Amount of sarcoplasmic reticulum is high

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4. Aerobic muscle – 4. Anaerobic muscle

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(a) 1 (b) 2 (c) 3 (d) 4

64 ➤ 64. Skeletal system consists of

(a) Framework of bone (b) Few cartilages (c) Both (a) and (b) (d) None of these

65 ➤ 65. Cartilage has slightly pliable matrix due to

(a) Ca2+ (b) Mg2+ (c) Chondroitin salts (d) Phosphorus

66 ➤ 66. Skull is composed of

(a) Cranial bones (8) (b) Facial bones (14) (c) Both (a) and (b) (d) None of these

67 ➤ 67. The hard and protective outer covering of brain is known as

(a) Cranium (b) Condyle (c) Meninges (d) All of these

68 ➤ 68. Human body contains how many ear ossciles?

(a) 3 (b) 4 (c) 5 (d) 6

69 ➤ 69. Human skull is

(a) Monocondylic (b) Dicondylic (c) Tricondylic (d) Acondylic

70 ➤ 70. Vertebral column in human body is present

(a) Dorsally (b) Ventrally (c) Laterally (d) All of these

71 ➤ 71. Which of the following is true about vertebral column?

(a) Each vertebra in vertebral column has a central hollow protein (Neural canal) through which spinal cord pass. (b) The first vertebra in vertebral column is atlas and it articulates with the occipital condyle. (c) Vertebral column protects the spinal cord, supports the head and serves as the point of attachment for the ribs and musculature of the back. (d) All the above

72 ➤ 72. The bone present on ventral midline of thorax is

(a) Vertebral column (b) Ribs (c) Scapula (d) Sternum

73 ➤ 73. Which of the following is incorrect about ribs?

(a) Each rib is a thin and cat bone connected dorsally to the vertebral column and ventrally to the sternum. (b) Ribs has two articulation surfaces on its dorsal end which are called bicephalic. (c) Ventrally ribs are connected to sternum by elastic cartilage. (d) First 7 pairs are called true ribs. The 8, 9 and 10th pair is known as false (vertebracondral) ribs and the 2 pairs (11th and 12th) are known as floating ribs.

74 ➤ 74. Scapula is an example of

(a) Long bone (b) Short bone (c) Flat bone (d) Irregular bone

75 ➤ 75. Number of bones in the adult human body is

(a) 206 (b) 406 (c) 106 (d) 306

76 ➤ 76. Number of bones in human axial skeleton is

(a) 120 (b) 142 (c) 80 (d) 206

77 ➤ 77. The number of bones in the skull of man is

(a) 14 (b) 28 (c) 8 (d) 22

78 ➤ 78. Cranium of man is made up of

(a) 8 bones (b) 12 bones (c) 16 bones (d) 14 bones

79 ➤ 79. Vertebral column of human body is made up of

(a) 33 vertebrae (b) 52 vertebrae (c) 45 vertebrae (d) 23 vertebrae

80 ➤ 80. The number of bones in the vertebral column of man is

(a) 32 (b) 26 (c) 35 (d) 20

81 ➤ 81. The human vertebral formula is

(a) C7T12L5S5Cd4 (b) C7T9L5S4Cd1 (c) C7T12L5S1Cd1 (d) C7T12L4S4Cd1

82 ➤ 82. The vertebra which bears the whole weight of the skull is

(a) Atlas (b) Axis (c) Cervical (d) Sacral

83 ➤ 83. In man, the ribs are attached to

(a) Clavicle (b) Ileum (c) Sternum (d) Scapula

84 ➤ 84. In case of most of the mammals including man and Giraffe, the numbers of cervical vertebrae are

(a) 8 (b) 7 (c) 9 (d) 10

85 ➤ 85. The eighth and ninth ribs are known as false ribs because their external portions are attached to

(a) xiphisternum (b) Costa of 7th rib (c) They have no costa (d) They are not true ribs

86 ➤ 86. Number of bones in face is

(a) 12 (b) 30 (c) 40 (d) 14

87 ➤ 87. Axial skeleton is made up of

(a) Skull only (b) Sternum only (c) Complete vertebral column (d) All of these

88 ➤ 88. What is the right sequence of bones in the ear ossicles of a mammal starting from the tympanum inwards?

(a) Malleus, Incus, Stapes (b) Malleus, Stapes, Incus (c) Incus, Malleus, Stapes (d) Stapes, Incus, Malleus

89 ➤ 89. Malleus is a part of

(a) Fore limbs of vertebrates (b) Reproductive organs of cockroach (c) Auditory ossicles of middle ear of human (d) Skull of frog

90 ➤ 90. In human beings, the thoracic basket is composed of

(a) Ribs and thoracic vertebrae (b) Ribs and sternum (c) Ribs, sternum and vertebrae (d) Ribs, sternum and thoracic vertebrae

91 ➤ 91. The bone which is U-shaped is

(a) Frontal (b) Vomer (c) Hyoid (d) Molar

92 ➤ 92. Match the following : Bone and Number

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1. Skull – 1. 24

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2. Vertebrae – 2. 60

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3. Ribs – 3. 22

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4. Sternum – 4. 1

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5. Pectoral girdles – 5. 2

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6. Arms – 6. 4

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7. Ear ossicles – 7. 6

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8. Pelvic girdles – 8. 33

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The correct pairing sequence is

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(a) 8–3, 1–4, 6–2, 5–7 (b) 3–8, 1–4, 6–2, 7–5 (c) 3–8, 1–4, 2–6, 7–5 (d) None of these

93 ➤ 93. The number of floating ribs in human body is

(a) 6 pairs (b) 3 pairs (c) 5 pairs (d) 2 pairs

94 ➤ 94. The foramen magnum, occipital condyles are found in

(a) Parietal bone (b) Ethmoid bone (c) Sphenoid bone (d) Occipital bone

95 ➤ 95. The acromion process articulates with the

(a) Scapula (b) Clavicle (c) Ribs (d) Vertebral column

96 ➤ 96. The number of lumbar vertebrae in human vertebral column is

(a) 12 (b) 7 (c) 5 (d) 2

97 ➤ 97. How many ribs are present in human beings?

(a) 6 pairs (b) 9 pairs (c) 12 pairs (d) 15 pairs

98 ➤ 98. The cup-shaped cavity for the articulation of the head of the femur is called

(a) Glenoid cavity (b) Acetabulum (c) Obturator (d) Sigmoid notch

99 ➤ 99. Ribs attached to sternum are

(a) First seven pairs (b) All ten ribs (c) First ten rib pairs (d) First five rib pairs

100 ➤ 100. Which part is indicated as A, B, C, D, and E in the given figure?

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(a) A–Clavicle, B–Scapula, C–Humerus, D–Radius, E–Ulna (b) A–Humerus, B–Clavicle, C–Ulna, D–Scapula, E–Radius (c) A–Ulna, B–Humerus, C–Clavicle, D–Radius, E–Scapula (d) A–Radius, B–Ulna, C–Scapula, D–Clavicle, E–Humerus

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