CHAPTER – 2
MCQs
– Support and Locomotion
1. In response to irritability, animals show some action called
________.
§ Support
§ Movement
§ Behavior
§ None
2. Support came with the development of various kinds of
________.
§ Skeleton
§ Muscles
§ Organs
§ None
3. Nervous system support both ________ and muscular system.
§ Organ
§ Digestive
§ Skeletal
§ None
4. ________ system consists of a single or set of hard
structures
§ Muscular
§ Skeletal
§ Nervous
§ None
5. ________ system provides the body with shape support and
protection.
§ Muscular
§ Nervous
§ Skelatal
§ None
6. There are ________ types of skeletons.
§ 2
§ 3
§ 4
§ 5
7. Majority of animals lacking skeletal system are ________ and
either sessile or slow moving.
§ Terrestrial
§ Aquatic
§ Both
§ None
8. A type of skeleton which completely surrounds the body as a
protective encasement is called
§ Endoskeleton
§ Exoskeleton
§ Hydrostatic skeleton
§ None
9. ________ forms the hard rigid bony frame work inside the
body.
§ Endoskeleton
§ Exoskeleton
§ Hydrostatic skeleton
§ None
10. The skeleton which consists of a fluid filled body cavity is
called ________
§ Endoskeleton
§ Exoskeleton
§ Hydrostatic skeleton
§ None
11. The fluid filled body cavity is surrounded by ________ and
________ in animals.
§ Water and minerals
§ Bones and cartilages
§ Circular and longitudinal muscles
§ None
12. Contraction of circular muscles cause the body to become
________ and ________.
§ Short and thick
§ Elongated and thick
§ Short and stiff
§ Elongated and stiff
13. By contraction of longitudinal muscles the body becomes
________ and ________.
§ Short and thick
§ Elongated and thick
§ Short and stiff
§ Elongated and stiff
14. Jelly fish and octopus move by ________.
§ Help of appendages
§ Help of setae
§ Jet propulsion
§ None
15. Exoskeleton is ________ external covering.
§ Non living
§ Living
§ Both
§ None
16. Diatoms have exoskeleton made up of ________.
§ Silica
§ Chitin
§ Lime
§ None
17. Mollusces have exoskeleton made up of ________.
§ Silica
§ Chitin
§ Lime
§ None
18. Arthropods have exoskeleton made up of ________.
§ Silica
§ Chitin
§ Lime
§ None
19. The shedding of old exoskeleton and formation of new and
bigger one is called ________.
§ Moulting
§ Growth
§ Both
§ None
20. The type of skeleton which is inside the body is called
________.
§ Endoskeleton
§ Exoskeleton
§ Hydrostatic skeleton
§ None
21. Endoskeleton consists of bones and ________.
§ Muscles
§ Vestigial organs
§ Cartilage
§ None
22. An adult human skeleton consists of ________ bones.
§ 206
§ 207
§ 209
§ 300
23. Human skeleton is divided into ________ and ________.
§ Upper and lower
§ Inner and outed
§ Axial and apendicular
§ None
24. A human endoskeleton is about ________% of the total body
weight.
§ 18
§ 15
§ 25
§ 60
25. Cranium is also called ________.
§ Brain stem
§ Brain bag
§ Brain box
§ Skull
26. Lower jaw is supported by a single bone called ________.
§ Dentary
§ Mandible
§ Both
§ None
27. The spinal cord is protected in a hollow spine called
________.
§ Sternum
§ Vertebral column
§ Ribs
§ None
28. Spinal cord consist of ________ small bones called
vertebrae.
§ 25
§ 56
§ 20
§ 33
29. Cartilagenous pads between two vertebrae prevent ________.
§ Friction
§ Grinding
§ All of the above
§ None
30. The last two pairs of vertebrae are called ________.
§ Free vertebrae
§ Movable vertebrae
§ Floating vertebrae
§ None
31. The front part of rib cage is called ________.
§ Sternum
§ Spinal cord
§ Clavicle
§ None
32. The cells of bones are called ________.
§ Osteoclast
§ Osteocytes
§ Chondrocytes
§ Collagen
33. The conversion of soft bony mass into hard and rigid one is
called ________.
§ Clacification
§ Ossification
§ Osmoregulation
§ Both 1 and 2
34. Vitamin D plays vital role in ________.
§ Calcification
§ Deposition
§ Osmoregulation
§ None
35. The points at which two or more bones meet are called
________.
§ Articular
§ Joint
§ Chiasmara
§ None
36. There are ________ types of joint.
§ 2
§ 3
§ 5
§ 7
37. Hip joint is an example of ________ joint.
§ Ball and socket
§ Hinge
§ Sliding
§ Gliding
38. Knee joint is an example of ________ joint.
§ Hinge
§ Sliding
§ Gliding
§ Pivot
39. Elbow joint is an example of ________ joint.
§ Ball and socket
§ Hinge
§ Sliding
§ Pivot
40. Ankle joint is an example of ________.
§ Ball and socket
§ Hinge
§ Sliding
§ Gliding
41. Intervertebral joints are the example of ________ joint.
§ Ball and Socket
§ Sliding
§ Gliding
§ Pivot
42. Sutures of skull are the example of ________ joint.
§ Movable
§ Immovable
§ Partially movable
§ None
43. Costovertebral joints (between ribs and vertebrae) are the
example of ________ joint.
§ Movable
§ Immovable
§ Partially movable
§ None
44. Under developed skull is called ________.
§ Macroglosus
§ Microglosus
§ Macrocephaly
§ Microcephaly
45. The increase in porosity of bones is called ________.
§ Osteoporosis
§ Arthritis
§ Sciatica
§ Spondylosis
46. Any hurt to sciatic nerve is called ________.
§ Sciatica
§ Spondylosis
§ Disc slip
§ Rickets
47. Inflammation of joint is called ________.
§ Osteoporosis
§ Arthritis
§ Sciatica
§ Spondylosis
48. Norrowing of the space between the two vertebrae is called
________.
§ Osteoporosis
§ Spondylosis
§ Disc slip
§ Rickets
49. Change in position of intervertebral disc is called
________.
§ Sciatica
§ Spondylosis
§ Disc slip
§ Rickets
50. Breaking in normal continuity of bone is called ________.
§ Fracture
§ Osteoporosis
§ Arthritis
§ Sciatica
51. Those muscles that are attached to a bone are called
________.
§ Cardiac muscle
§ Skeletal muscle
§ Vestigial muscle
§ Smooth muscle
52. Muscles of heart are called ________.
§ Cardiac muscle
§ Skeletal muscle
§ Vestigial muscle
§ Smooth muscle
53. Those muscles that are attached to a vestigial organ are
called ________.
§ Cardiac muscle
§ Skeletal muscle
§ Vestigial muscle
§ Smooth muscle
54. Those muscles which have cross striations are called
________.
§ Unstriated muscle
§ Striated muscle
§ Voluntry muscle
§ Involuntry muscle
55. Those muscles which do not have cross striations are called
________.
§ Unstriated muscle
§ Striated muscle
§ Voluntry muscle
§ Involuntry muscle
56. Those muscles which are controlled by autonomic nervous
system are called ________
§ Unstriated muscle
§ Striated muscle
§ Voluntry muscle
§ Involuntry muscle
57. Those muscles which are controlled by somatic nervous system
are called ________
§ Unstriated muscle
§ Striated muscle
§ Voluntry muscle
§ Involuntry muscle
58. Muscle consists of two part ________ and ________.
§ Arm and body
§ Belly and tendon
§ Belly and process
§ Body and tendon
59. The zone which consists of only actin filament is called
________.
§ I-band
§ H-band
§ A-band
§ Z-line
60. The zone which consists of only myosin filament is called
________.
§ I-band
§ H-band
§ A-band
§ Z-line
61. The line which shows the centre of two I band is called
________.
§ H-band
§ A-band
§ Z-line
§ M-line
62. The line which shows the centre of a sarcomere is called
________.
§ I-band
§ H-band
§ Z-line
§ M-line
63. When muscle contracts it becomes ________ and thicker.
§ Longer
§ Bigger
§ Shorter
§ Stiff
64. Whenever a muscle contracts the sarcomere shortens and the
width of darkand light bands changes. This statement is proposed by ________.
§ Mendle
§ Huxley
§ Edward Tatum
§ Francis H.H Wilkins
65. The mechanism of contraction is also called ________
mechanism.
§ Gliding filament
§ Sliding filament
§ Rolling filament
§ None
66. Myosin fillament consists a part called ________.
§ Cross bridge
§ Filament
§ Head
§ Active sites
67. Actin filament have some sites which provide a site for
attachment with cross bridges are called ________.
§ Troponin
§ Tropomyosin
§ Active sites
§ Covered sites
68. During muscle contractions the energy is provided by conversion
of AIP into ________.
§ AMP
§ ADP
§ Alternately both
§ None
69. The amount of oxygen required to remove lactio acid from the
entire muscle is called ________.
§ Oxygen depth
§ Critical oxygen
§ Oxygen debt
§ None
70. Sudden involuntary muscle contraction due to low level of
calcium in blood is called ________.
§ Tetany
§ Cramps
§ Spasm
§ Ganong’s Tone
71. Contraction of muscle due to electrolyte imbalance is called
________
§ Tetany
§ Cramps
§ Spasm
§ Ganong’s Tone
72. Those muscles that work such a way that when one contracts
other relaxes are called ________
§ Skeletal muscles
§ Vestigial muscles
§ Anctagonistic muscles
§ All of the above
73. The movement by the help of pseudopodial is called ________
§ Cilliarly movement
§ Setal movement
§ Ambeoboid movement
§ Euglenoid movement
74. Locomotory organ of ameoba is ________
§ Cillia
§ Pseudopodia
§ Flagella
§ Appendages
75. Locomotory organ of paramecium is ________
§ Cillia
§ Pseudopodia
§ Flagella
§ Appendages
76. Locomotory organ of arthrapods is ________
§ Flagella
§ Appendages
§ Viceral foot
§ Tube feet
77. Locomotory organ of euglena is ________
§ Cillia
§ Pseudopodia
§ Flagella
§ Appendages
78. Locomotory organ of star fish is ________
§ Cillia
§ Pseudopodia
§ Agella
§ Appendages
§ Viceral foot
§ Tube feet
79. Locomotory organ of earth worm is ________
§ Appendages
§ Viceral foot
§ Tube feet
§ None of the above
80. The locomotion of jelly fish is by the help of ________
§ Jet propulsion
§ Suker
§ Ampulla
§ Summer Sault
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