CBSE Class 11 Biology Locomotion And Movement Worksheet Set 03

LOCOMOTION AND MOVEMENT

→ Very Short Answer Questions:

1. Locomotion is a movement. Are all movements - locomotions. Give reason.

2. Name the three types of movements exhibited by human body. (one example for each)

3. Sarcoplasm in a muscle fibre is said to be syncitium. Explain.

4. What are myofibrils? Mention their structural components.

5. Name the cup shaped bone that constitutes the knee cap.

6. What are red and white fibres with reference to skeletal muscles?

7. What are sarcomeres?

8. Explain the role of calcium ions and ATP in muscle contraction.

9. Name the different types of synovial joints with examples.

→ Short Answer Questions:

10. What are Meromyosins? Mention about HMM and LMM.

11. Define sliding filament theory. Write the steps involved in the mechanism of muscle contraction.

12. What are the different bones which form the rib cage? How are they articulated with each other to form a cage?

13. Enumerate the different components of pectoral and pelvic girdle in your body. Mention the role of acetabulum and glenoid cavities.

14. State the factor/s responsible for the following muscular and skeletal disorders:

a) Tetany    b) Myasthenia gravis    c) Gout    d) Osteoporosis

15. Our vertebral column comprises of 26 serially arranged units called vertebrae. Categorize and number them.

Draw well labeled diagrams of:

A. Sectional view of a muscle showing muscle bundles and muscle fibres
B. A sarcomere
C. An actin and myosin filament
D. Stages in cross bridge formation , rotation of head and breaking of cross bridge
E. Sliding filament theory of muscle contraction

Please click on below link to download CBSE Class 11 Biology Locomotion And Movement Worksheet Set C