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Class 11 Biology Practice Test: Locomotion and Movement - Muscle
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Class 11 Biology Practice Test: Locomotion and Movement - Muscle
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25 Questions

1. Which of these is not a component of the thin filament?
2. Which of these do not involve flagellar movement?
3. Which organelle is abundant in red fibres of muscles?
4. ‘F’ actin is a polymer of ‘G’ actins. True or false?
5. Which of these statements is not true regarding skeletal muscles?
6. What does the A band of a myofibril contain?
7. Which organelle is abundant in white fibres of muscles?
8. Which of these ions are abundant in the sarcoplasmic reticulum?
9. Which of these is not a characteristic of cardiac muscles?
10. Identify the structure shown in the figure.
Cross-sectional view of muscle surrounded by collagenous fascia
11. Identify the structure shown in the figure.
Cross-sectional view of a muscle grouped together into a muscle bundle
12. Which of these is a neurotransmitter?
13. What percentage of body weight of an adult human is contributed by muscles?
14. Which of these constitute a motor unit?
15. What does acetylcholine generate in the sarcolemma?
16. Which of these structures holds myosin filaments together?
17. What is fascia made of?
18. Why does the repeated activation of the muscles cause fatigue?
19. Identify the structure shown in the figure of meromyosin.
ATP binding site in globular head of meromyosin
20. Which of these is not a property of muscles?
21. A muscle fibre is a syncytium. True or false?
22. Which of these statements is false regarding myofibrils?
23. Which of these is found at the two ends of a sarcomere?
24. What is present in the centre of each ‘I’ band?
25. Which of these is not a basis of classification for muscles?