Support and movement – Online MCQs Test – Biology MCAT

1. The smallest contractile unit of skeletal muscle is known as

2. All of the following are paired bones of face except:

3. Contraction of a muscle is caused by

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

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

6. Training exercise such as jogging, swimming and aerobics have this effect on skeletal muscle tissue:

7. The periodic shedding of exoskeleton arthropods is known a

8. Bones at joints are held together by:

9. The contraction of muscles depends upon:

10. Smooth muscles are:

11. Simple living tissue, elongated, irregularly thickened walls is:

12. human eye muscle contract in:

13. Movements which occur due to external stimuli are known as:

14. Number of Carpel bones in each wrist is:

15. Sarcomere is the part between two:

16. The Visible number of vertebrae in human vertebral column is

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

18. In human back bone the caudal vertebrae are reduced to 4 in number and are fused to form the:

19. It is an example of ball and socket joint:

20. Exoskeleton Is: