Chapter 16
Support And Movement
Encircle the most appropriate answer among the following options
1. Movement takes place at choose which one is correct:
- Cellular level
- Organ level
- Organism level
- All (A), (B) and (C)
2. The whole body of Bryophyta is made up of choose which one is correct:
- Collenchyma cells
- Sclerenchyma cells
- Parenchyma cells
- Airenchyma cells
3. Collenchyma can be distinguished from parenchyma by choose which one is correct:
- Being dead cells
- Without large vacuole
- Increased thickness of their cell walls
- All (A), (B) and (C)
4. A tissue whose function is support and it performs that function while it is dead is choose which one is correct:
- Collenchyma
- Parenchyma
- Sclerenchyma
- (A) and (B)
5. In Angiosperma the tissue that produces secondary xylem and secondary phloem is choose which one is correct:
- Protoderm
- Ground meristem
- Intercalary
- Vascular cambium
6. The unspecialized packing tissue found in epidermis, cortex and pith is choose which one is correct:
- Parenchyma
- Collenchyma
- Sclerenchyma
- Cork cambium
7. Xylem vessels have walls impregnated with choose which one is correct:
- Cutin
- Chitin
- Keratin
- Lignin
8. It covers the plant but is replaced by choose which one is correct:
- Cuticle, epidermis
- Endodermis, epidermis
- Epidermis, cork
- All (A), (B) and (C)
9. Secondary growth in plants begins with the formation of choose which one is correct:
- Vascular cambium only
- Cork cambium only
- Vascular and cork cambium
- Inter-calary meristem
10. Cork is waterproof because its cell walls are impregnated with choose which one is correct:
- Chitin
- Suberin
- Keratin
- Pillin
11. The xylem in the center of the tree that has stopped conducting water and minerals and is storing waste products from the plant is choose which one is correct:
- Sap wood
- Heart wood
- Peripheral wood
- Both (B) and (C)
12. The portion of the xylem that is conducting water and minerals and hasn’t started storing waste products is choose which one is correct:
- Sap wood
- Heart wood
- Central wood
- Both (A) and (C)
13. The contraction of each muscle is based on choose which one is correct:
- None of above
- All or no principle
- Both (A) and (B)
- All or one principle
14. Lenticels are necessary for choose which one is correct:
- Photosynthesis
- Gaseous exchange
- Water absorption
- All options are correct
15. Movement of Railway creeper around any rope is an example of choose which one is correct:
- Nutation
- Turgor movement
- Tropic movement
- Seismonastic movement
16. What is directional movement response that occurs in response to a directional stimulus is called?
- Nutation
- Tropism
- Both A and B
- Turgor movement
17. Tropic movement in response to touch is known as choose which one is correct:
- Geotropism
- Aerotropism
- Thigmotropism
- Both B and C
18. The growth of the pollen tube always towards the ovules, is due to choose which one is correct:
- Geotropism
- Thigmotropism
- Phototropism
- Chemotropism
19. The movement of a plant in response to a touch or contact is choose which one is correct:
- Nyctinastic
- Thermonastic
- Haptonastic
- Hyponastic
20. The flowers of Oxalis and Portulaca open in the day and close at night. It is called choose which one is correct:
- Nyctinastic movement
- Thermonastic movement
- Haptonastic movement
- Thigmonastic movement
21. Exoskeleton in Diatoms is made up of choose which one is correct:
- Protein
- CaCO3
- Silica
- Chitin
22. Molluscs have an exoskeleton in the form of choose which one is correct:
- Proteinceous shell
- Siliceous shell
- Calcareous shell
- Chitineous shell
23. The periodic shedding of exoskeleton in arthropods is known as choose which one is correct:
- Moulting
- Ecdysis
- Both (A) and (B)
- Stridulation
24. What is the total body weight of human skeleton?
- 80%
- 70%
- 40%
- 18%
25. The tooth bearing bone of lower jaw is choose which one is correct:
- Atlas
- Innominate
- Incus
- Dentary
26. An adult human endoskeleton consists of choose which one is correct:
- 363 bones
- 639 bones
- 206 bones
- Number varies by the individual
27. The lower two pairs of ribs are choose which one is correct:
- True ribs
- False ribs
- Floating ribs
- All (A), (B) and (C)
28. Total number of ribs in your axial skeleton is choose which one is correct:
- 12
- 24
- 33
- 26
29. The original number of vertebrae in human vertebral column
is choose which one is correct:
- 12
- 24
- 33
- 26
30. The visible number of vertebrae in human vertebral column is choose which one is correct:
- 12
- 24
- 33
- 26
31. Humerus forms a ball and socket joint with choose which one is correct:
- Clavicle
- Sternum
- Innominate
- Scapula
32. The bones of lower arm are choose which one is correct:
- Tibia and fibula
- Radius and ulna
- Carpals and metacarpals
- Phalanges
33. Which one of these makes bones hard?
- Carbohydrates
- Minerals
- Proteins
- Fats
34. Which of the following is not part of the axial skeleton?
- Sternum
- Vertebrae
- Femur
- Skull
35. In human back bone the caudal vertebrae are reduced to 4 in number and are fused to form the choose which one is correct:
- Sacrum
- Innominatum
- Coccyx
- Ischium
36. Bones are joined to each other at joints by choose which one is correct:
- Tendons
- Ligaments
- Hyaline cartilage
- Both (A) and (B)
37. Muscles are attached to bones by choose which one is correct:
- Tendons
- Ligaments
- Synovial membrane
- Both (A) and (B)
38. The joint that allows the skull to rotate on our spine is called choose which one is correct:
- Hinge joint
- Fibrous joint
- Sliding joint
- Pivotal joint
39. The intervertebral disks which absorb shock and assist in limited movement of disks choose which one is correct:
- Collagen fibers
- Osteonectin protein
- Cartilage
- All (A), (B) and (C)
40. The curve in the neck is composed of seven vertebrae and is know as the choose which one is correct:
- Lumbar region
- Sacral region
- Coccygeal region
- Cervical region
41. The 12 vertebrae in the second curve of vertebral column are known as choose which one is correct:
- Cervical certebrae
- Thoracic vertebrae
- Lumbar vertebrae
- Sacral vertebrae
42. The shoulder girdle consists of two bones choose which one is correct:
- Humerus and scapula
- Humerus and ulna
- Clavicle and scapula
- Ilium and lschium
43. The pelvic girdle is composed of three pairs of fused bones choose which one is correct:
- Ilium, lschium and frontal
- Clavicle, scapula and pubis
- Malleus, lncus and stapes
- Ilium, ischium and pubis
44. The living cells of cartilage are called choose which one is correct:
- Osteoclasts
- Chondrocytes
- Osteoblasts
- Osteocytes
45. The bones of the wrist are called choose which one is correct:
- Carpals
- Metacarpals
- Tarsals
- Metatarsals
46. The joint found between the flat bones of the skull is classified as choose which one is correct:
- Immovable
- Movable
- Slightly movable
- None of these
47. These cells are located in bone tissue choose which one is correct:
- Chondroblasts
- Osteocytes
- Fibroblasts
- Chondrocytes
48. Chondroblasts produce choose which one is correct:
- Basement membranes
- Bone matrix
- Cartilage matrix
- Endothelium
49. Gliding joints are present between choose which one is correct:
- Carpals and tarsals
- Humerus and ulna
- Femur and innominate
- Vertebrae
50. Which type of joint is the most mobile?
- Pivot joint
- Gliding joint
- Ball and socket joint
- Fibrous joint
51. The main protein in the matrix of cartilage is choose which one is correct:
- Collagen
- Osteonectin
- Keratin
- Actin
52. The jointed surfaces of bones are covered with choose which one is correct:
- Hyaline cartilage
- Compact cartilage
- Articular cartilage
- Both (A) and (B)
53. The process of bone formation is called choose which one is correct:
- Ossification
- Chondrification
- Ossi-chodrification
- Both (A) and (B)
54. Hinge joint is present between choose which one is correct:
- Humerus and radio-ulna
- Femur and pectoral girdle
- Femur and acetabulum
- Humerus and pectoral girdle
55. The total number of bones in your right arm is choose which one is correct:
- 30
- 32
- 35
- 60
56. Which bone in man is concerned with locomotion?
- Ulna
- Femur
- Humerus
- All of these
57. The spinal degeneration and deformity of the joints of two or more vertebrae that commonly occurs with aging causes choose which one is correct:
- Sciatica
- Osteoporosis
- Spondylosis
- Both (B) and (C)
58. In which skeletal deformity pain is felt in the lower back, buttock, and/or various parts of the leg and foot choose which one is correct:
- Sciatica
- Osteoporosis
- Arthritis
- All of these
59. Which of the following groupings is incorrect?
- Skeletal, striated, voluntary
- Smooth, unstriated, involuntary
- Cardiac, striated, voluntary
- Cardiac, striated, involuntary
60. The muscle tissue that can be consciously controlled is choose which one is correct:
- Smooth
- Skeletal
- Intercalated
- Cardiac
61. Which condition is shown in following diagram?
- Cleft lip
- Cleft palate
- Incomplete
- Unilateral complete lip and palate
62. Skeletal muscle is described by all of the following except choose which one is correct:
- Striated
- Voluntary
- Cardiac
- Autorhythmic
63. The walls of digestive tract and blood vessels are made up of this muscle tissue choose which one is correct:
- Striated
- Skeletal
- Cardiac
- Smooth
64. The smallest contractile unit of skeletal muscle is a choose which one is correct:
- Sarcomere
- Motor unit
- Synapse
- Thin filament
65. The major regulatory proteins in muscle tissue are choose which one is correct:
- Myosin and tropomyocin
- Myosin and actin
- Actin and troponin
- Troponin and tropomyocin
66. Muscles that straighten two bones at joints are called extensors. What is the name for muscles that cause two bones to bend at joints?
- Protractors
- Flexors
- Adductors
- Abductors
67. Which of the following is the best description of cardiac muscle?
- Non-striated − Involuntary
- Non-striated − Voluntary
- Striated − Involuntary
- Striated − Voluntary
68. The loss of bone density which can cause bones to become light, brittle and easily broken is called choose which one is correct:
- Spondylosis
- Arthritis
- Sciatica
- Osteoporosis
69. Inflammation of the joint is known as choose which one is correct:
- Bursitis
- Arthritis
- Both A and B
- Nephritis
70. A single somatic motor neuron and the group of muscle fibers innervated by it is choose which one is correct:
- Somatic unit
- Motor unit
- Associative
- None of these
71. The bicep and tricep muscles are found in choose which one is correct:
- Shank
- Shoulder
- Upper arm
- Lower jaw
72. During muscular contraction choose which one is correct:
- Actin slides past myosin
- ATP supplies energy
- Calcium ions (Ca++) are involved
- All of these
73. A skeletal muscle cell choose which one is correct:
- has light and dark bands
- has only one nucleus
- is under involuntary control
- None of the above are true
74. The proteins at the junction between sarcomeres form the choose which one is correct:
- H zone
- M line
- Z line
- A band
75. Thick myofilaments are composed of several hundred molecules of a protein known as choose which one is correct:
- Actin
- Myosin
- Troponin
- Tropomyocin
76. Thin myofilaments are composed of two helically of a globular protein know as choose which one is correct:
- Actin
- Mysin
- Troponin
- Tropomyocin
77. A disk-like protein which is centrally located in sarcomeres is choose which one is correct:
- H line
- M line
- Z line
- I line
78. Within a sarcomere how many thin filament are arrayed around each thick filament choose which one is correct:
- 4
- 6
- 2
- 8
79. Changes in sarcomere length are caused by the filaments being pulled along the thick filaments in the direction of the choose which one is correct:
- H zone
- M line
- Z line
- I band
80. Tetany characteristically is considered to be result of a sever degree of choose which one is correct:
- Hyperglycemia
- Hypercalcaemia
- Hypocalcaemia
- Hypoglycemia
81. The contraction of muscles depends upon choose which one is correct:
- Nerve impulse
- Energy
- Calcium
- All of these
82. Human eye muscles contract in choose which one is correct:
- 0.01 seconds
- 0.05 seconds
- 0.08 seconds
- All option are incorrect
83. Bicep muscles are choose which one is correct:
- Flexor muscles
- Extensor muscles
- Adductor muscles
- Abductor muscles
84. Tricep muscles are choose which one is correct:
- Flexor muscles
- Extensor muscles
- Adductor muscles
- Abductor muscles
85. A muscle which moves a body part away from the mid line of the body is choose which one is correct:
- Flexor muscle
- Extensor muscle
- Adductor muscle
- Abductor muscle
86. A muscle which moves a body part towards the mid line of the body is choose which one is correct:
- Flexor muscle
- Extensor muscle
- Adductor muscle
- Abductor muscle
87. In earthworm contraction of which muscles lengthens the body.
- Longitudinal
- Circular
- Protractor
- Adductor
88. In earthworm contraction of which muscles shortens the body.
- Longitudinal
- Circular
- Retractor
- Abductor
89. The state of physiological inability of a muscle to contract due to accumulation of lactic acid is referred to as choose which one is correct:
- Rigor mortis
- Muscle fatigue
- Muscle tetany
- Muscle cramp
90. The stationary part of skeletal muscle is know as choose which one is correct:
- Origin
- Insertion
- Belly
- Ligament
91. The movement in jelly fish is called choose which one is correct:
- Belly propulsion
- Jet propulsion
- Float propulsion
- None of these
92. Cross bridges form between choose which one is correct:
- Troponin and tropomyosin
- Calcium and sodium
- Sarcolemma and sarcoplasm
- Myosin head and actin filament
93. The limb bones first appeared in choose which one is correct:
- Jawless fishes
- Lobe finned fishes
- Amphibians
- Reptiles
94. Resistance to decay and insect attack to plants is provided by choose which one is correct:
- Sap wood
- Callus
- Cork
- Heartwood
95. What is the skeletal system?
- All the bones in the body
- All the muscles and tendons
- All the body organs both soft and hard tissue
- All the bones in the body and the tissue that connect them
96. How many bones are there on the average in human body?
- 33
- 206
- 639
- It varies by the individual
97. Which of the following statements is incorrect?
- Bone is where most blood cells are made.
- Bone serves as a storehouse for various minerals.
- Bone is a dry and non-living supporting structure.
- Bone protects and supports the body and its organs.
98. Which bone protects brain?
- Patella
- The cranium
- Sacrum
- None of these
99. Besides the brain, the skull also protects choose which one is correct:
- The lungs
- The diaphragm
- The body cells
- The sense organs
100. The purpose of the rib cage is to choose which one is correct:
- Protect the stomach
- Protect the spinal cord
- Protect the heart and lungs
- Provide an object to which the lungs attach
101. What makes bones so strong?
- Silica
- Cartilage
- Blood and marrow
- Calcium and phosphorous
102. What is the difference between cartilage and bone?
- Bone is rubbery, and cartilage is firm
- Cartilage is rubbery, and bones is firm
- Bone is a more primitive tissue than cartilage
- Bone is inside the body, and cartilage is outside
103. The hollow space in the middle of bones is filled with choose which one is correct:
- Air
- Blood
- Bone cells
- Bone marrow
104. What is the difference between compact bone and spongy bone?
- They have different bone marrow
- They are made of different materials
- They have different sizes of bone cells
- They have different arrangement of body cells
105. What is a joint?
- A hinge
- A ball and socket
- The place where two bones are joined
- The place where tendons are fastened together
106. Muscles are made of choose which one is correct:
- Silica
- Polyester threads
- Calcium and phosphorous
- Groups of cell fibres
107. How do muscles attached to the bones move the body?
- Automatically
- Pull movement only
- Push movement only
- Push and pull movement
108. What is the function of a tendon?
- To link bones to bones
- To link muscles to bones
- To link muscles to ligaments
- To bind the cells in compact bone closer together
109. Skeletal muscle is described by all of the following except choose which one is correct:
- Striated
- Voluntary
- Multinucleate
- Autorhythmic
110. The walls of hollow organs and some blood vessels contain this muscle tissue choose which one is correct:
- Striated
- Skeletal
- Cardiac
- Smooth
111. Which of the following is unique to cardiac muscle tissue?
- Is involuntary
- Is non-striated
- Has intercalated discs
- Contains smooth muscle tissue
112. Approximately what percentage of body heat is generated by muscle tissue?
- 15%
- 30%
- 55%
- 85%
113. A muscle of fascicle is a?
- Bundle of myofibrils
- Bundle of connective tissue
- Bundle of muscle fibers
- Muscle cell
114. Which of the following actions is caused by skeletal muscle?
- Constriction of blood vessels
- Heartbeat
- Dilation of pupil
- Eye movements
115. Which of the following does not occur in a muscle during contraction?
- Thick and thin filaments bind to each other
- Muscle fibers stretch
- Thick and thin filaments slide past each other
- Muscle fibers shorten
116. This process aids in skeletal muscle relaxation after contraction choose which one is correct:
- Calcium is released from intracellular storage sites
- Motor neurons send electrical signals to muscles
- Acetylcholinesterease degrades acetylcholine
- Troponin binds calcium
117. The stiffness of muscle tissue in rigor mortis partially results from choose which one is correct:
- Excessive acetycholine activity on muscle
- Excessiv calcium release in muscle
- Excessive lactic acid build up
- Excessive contraction of the fibers
118. A single motor neuron may innervate as few as 3-5 fibers in muscles of the choose which one is correct:
- Upper arms
- Legs
- Eye
- Heart
119. When an action potential reaches the presynaptic terminal of the motor neuron then choose which one is correct:
- Calcium is released inside of the muscle fiber
- Acetylcholine is released into the synaptic cleft
- Acetylcholinesterease is released into the synaptic cleft
- Physical contact between the motor neuron and the muscle fiber occurs
120. Lack of acetylcholinesterease in the synaptic cleft would result in choose which one is correct:
- Decrease of acetylcholine production by the motor neuron
- Relaxation of the muscle fiber
- Excessive, continuous stimulation of the muscle fiber
- Inability of the motor neuron to stimulate the muscle fiber