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MCQ Chapter 16 Biology Class 11 Maharashtra Board

Skeleton and Movement

1. Which type of muscle is responsible for involuntary movements like peristalsis in the alimentary canal?

Question 1 of 20

2. What is the term for the change in locus of the whole body of a living organism from one place to another?

Question 2 of 20

3. Which type of movement is performed by pseudopodia, as seen in leucocytes?

Question 3 of 20

4. How many unpaired muscles are there in the human body?

Question 4 of 20

5. Which muscle type assists the prime movers during movement?

Question 5 of 20

6. What is the term for the end of a muscle attached to a stationary bone?

Question 6 of 20

7. Which muscles work in pairs to produce opposite actions, such as flexion and extension?

Question 7 of 20

8. Which muscle is stronger in the antagonistic pair of biceps and triceps?

Question 8 of 20

9. What is the fundamental characteristic of a muscle?

Question 9 of 20

10. Which protein constitutes 55% of muscle proteins?

Question 10 of 20

11. What is the name of the contractile unit of muscles?

Question 11 of 20

12. Which component of the actin filament physically covers the active binding sites for myosin in the resting stage?

Question 12 of 20

13. What initiates the contraction process in muscles by interacting with troponin?

Question 13 of 20

14. According to the sliding filament theory, what is the basic cause of muscular contraction?

Question 14 of 20

15. What happens to the troponin-tropomyosin complex during muscle contraction?

Question 15 of 20

16. What is the term for the muscular stiffening that occurs after death?

Question 16 of 20

17. What is a single muscle twitch?

Question 17 of 20

18. What is the term for the phenomenon where repeated stimuli produce increasing strength of contraction?

Question 18 of 20

19. What is the minimum strength of stimulus required for a muscle fiber to contract?

Question 19 of 20

20. What principle states that a muscle fiber contracts either fully or not at all?

Question 20 of 20


 

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