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Locomotion and Movement — Revision Notes

ICSE · Class 11 · Biology

Locomotion and Movement revision notes for ICSE Class 11 Biology: 4 topics in quick points. Part of the ICSE Class 11 Biology syllabus.

59 questions49 flashcards5 concepts

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A comparison chart illustrating different types of movement found in biological systems, including amoeboid, ciliary, flagellar, and muscular movements, with examples for each.
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Key Topics to Revise

1

1. Types of Movement

  • Movement is mainly of four types: amoeboid, flagellar, ciliary, and muscular.
  • Amoeboid movement is seen in Amoeba. Temporary cytoplasmic projections called pseudopodia help in locomotion and feeding.
  • Flagellar movement is best seen in Euglena. Flagella are thread-like projections on the cell surface and act as locomotory organelles.
2

2. Human Skeleton and Its Functions

  • There are 206 major bones in the human body.
  • The axial skeleton has 80 bones and includes the skull, vertebral column, and rib cage.
  • The appendicular skeleton includes the bones of the limbs and the girdles that attach them to the axial skeleton.
3

3. Skull, Vertebral Column, and Rib Cage

  • The human skull has 28 bones.
  • Eight skull bones are fused to form the cranium, which covers the brain.
  • The face consists of 14 bones.
4

4. Limbs and Girdles

  • Each limb is composed of 30 bones.
  • The upper limb includes humerus, ulna, radius, carpals, metacarpals, and phalanges.
  • The humerus is the long bone of the upper arm. Its upper end fits into the glenoid cavity of the pectoral girdle.

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Full Notes

Key Concepts

Movement of the whole organism fromThe main types are amoeboidAmoeba changes its shape by formingFlagella are threadCilia are small vibratile ectoplasmic processes

Frequently Asked Questions

What are the important topics in Locomotion and Movement for ICSE Class 11 Biology?
Key topics in Locomotion and Movement include Types of Movement, Human Skeleton and Its Functions, Skull, Vertebral Column, and Rib Cage, Limbs and Girdles. 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 59 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 ICSE Class 11 Biology Revision Notes

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