Support and Movement MCQs for MDCAT Practice

Biology section, Support and Movement chapter. Sample questions from past PMC papers.

1. Question 1
   Out of three polypeptides of troponin one binds to the actin chain, another binds to tropomyosin while third binds:
   • A.Myosin
   • B.Collagen
   • C.Sodium ions
   • D.Calcium ions
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2. Question 2
   A muscle of fascicle is a:
   • A.Bundle of connective tissue
   • B.Bundle of myofibrils
   • C.Bundle of muscle fibres
   • D.Muscle cells
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3. Question 3
   Over-lapping of thick filament occurs in:
   • A.A-Band
   • B.M-line
   • C.I-band
   • D.Z-line
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4. Question 4
   What is the basic unit of muscle fibre?
   • A.Myofibril
   • B.Z-line
   • C.M-line
   • D.Fibroin
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5. Question 5
   Process of shedding of exoskeleton is called:
   • A.Metamorphosis
   • B.Regeneration
   • C.Budding
   • D.Ecdysis
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6. Question 6
   A cricket player is chasing a fastball in the field. Which one of the following groups of bones is directly contributing to this movement?
   • A.Femur, malleus, tibia, metatarsals
   • B.Pelvis, ulna, patella, tarsals
   • C.Sternum, femur, tibia, fibula
   • D.Tarsals, femur, metatarsals, tibia
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7. Question 7
   Skeletal muscle is described by all of the following except:
   • A.Striated
   • B.Voluntary
   • C.Both "A" and "B"
   • D.Autorhythmic
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8. Question 8
   Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong?
   • A.Globular proteins
   • B.Intermediate proteins
   • C.Fibrous Proteins
   • D.Integral proteins
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