Support and movement – Online MCQs Test – Biology MCAT

1. The muscle band that remains unchanged during contraction and relaxation of the skeletal muscle is:

2. The periodic shedding of exoskeleton arthropods is known a

3. An action potential in a muscle fiber causes the release of calcium ions from

4. When movement occurs due to faster growth on the upper side of the organ is known as:

5. Endoskeleton is composed of:

6. A human endoskeleton is about _____% of the total body weight.

7. Deformity of the joint of two vertebrae particularly of the neck where the space between the two adjacent vertebrae narrow is:

8. The lower two pairs of ribs are:

9. What is the difference between cartilage and bone?

10. The state of physiological inability of a muscle to contract due to accumulation of lactic acid is referred to as

11. Sudden involuntary contraction of striated muscles which Is caused by low level of calcium in the blood is:

12. Troponin can bind to all of the following except:

13. Bones of the skull are joined by.

14. Cells of the cartilages are called:

15. Exoskeleton Is:

16. Some skeletal muscles terminate into a tough, non-elastic tissue called:

17. Which type of joint is the most mobile?

18. The contraction of muscles depends upon:

19. During muscular contraction, the

20. Which is not correctly matched?