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Syllabus

Locomotion and Movement — Syllabus

CBSE · Class 11 · Biology

What Locomotion and Movement covers in CBSE Class 11 Biology: 4 topics, for the 2026-27 session. Part of the CBSE Class 11 Biology syllabus.

127 questions78 flashcards5 concepts

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4 Topics · CBSE Class 11 Biology · 2026-27

Topics in Locomotion and Movement

1

1. Types of Movement

  • Human cells show three main types of movement: amoeboid, ciliary, and muscular.
  • Amoeboid movement is shown by macrophages and leucocytes. It occurs by pseudopodia formed through streaming of protoplasm.
  • Ciliary movement occurs in ciliated tubular organs. In the trachea, cilia help remove dust particles and foreign substances.
2

2. Muscle: Structure and Types

  • Muscle is a specialised tissue of mesodermal origin.
  • About 40-50% of adult human body weight is made up of muscles.
  • Muscles show four properties: excitability, contractility, extensibility, and elasticity.
3

3. Structure of Myofibril and Sarcomere

  • A myofibril shows alternate dark and light bands.
  • The light band is the I band and contains actin.
  • The dark band is the A band and contains myosin.
4

4. Contractile Proteins

  • Actin is the thin filament protein.
  • Each actin filament is made of two F actins helically wound together.
  • Each F actin is a polymer of G actins.

Key Concepts

Central concept: Locomotion and movement in humans and other animals

Types of movementMusclesSkeletal systemJointsDisorders of muscular and skeletal system

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Frequently Asked Questions

What are the important topics in Locomotion and Movement for CBSE Class 11 Biology?
Key topics in Locomotion and Movement include Types of Movement, Muscle: Structure and Types, Structure of Myofibril and Sarcomere, Contractile Proteins. Study these first, then practise questions on each for Class 11 exams.
How should I revise Locomotion and Movement for Class 11 exams?
Learn the core ideas first, then work through the 127 practice questions on Locomotion and Movement. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All CBSE Class 11 Biology Syllabus

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