NCERT/Class 11/Biology/Locomotion and Movement

Locomotion and Movement

Class 11 · Biology

107 questions49 easy44 medium14 hard

Sample Questions

Q1.The light band in a myofibril is also called:

  • AA band or Anisotropic band
  • BI band or Isotropic band
  • CH zone
  • DM line

Q2.The axial skeleton comprises how many bones?

  • A60
  • B80
  • C126
  • D206

Q3.A thin filament is composed of F actin, tropomyosin, and troponin, while a thick filament is made of polymerised meromyosin. Which specific interaction between these is essential for initiating contraction?

  • ATropomyosin binding to LMM
  • BCa++ binding to troponin subunit to unmask actin sites for myosin head binding
  • CG actin binding directly to tropomyosin
  • DF actin binding to M line

Q4.Cardiac muscles are:

  • AStriated and voluntary
  • BNonstriated and involuntary
  • CStriated and involuntary
  • DNonstriated and voluntary

Q5.The sarcoplasmic reticulum in muscle fibres stores:

  • ASodium ions
  • BPotassium ions
  • CCalcium ions
  • DChloride ions

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Appendicular SkeletonAxial SkeletonDisorders of Muscular and Skeletal SystemMechanism of Muscle ContractionNeuromuscular Junction and Signal TransmissionPectoral and Pelvic GirdlesProperties of MusclesRed and White Muscle FibresSarcomere StructureStructure of Contractile ProteinsStructure of Muscle FibreTypes of JointsTypes of MovementTypes of Muscles

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