Support and movement – Online MCQs Test – Biology MCAT

1. The periodic shedding of exoskeleton arthropods is known a

2. Growth responses that result in curvatures of whole plant organs towards or away from stimuli is:

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

4. The outer most layer of thin walled cells of young stem is:

5. Hydrostatic skeleton is found in:

6. Number of unpaired bones in cranium is:

7. Endoskeleton is composed of:

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

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

10. Select the true statement
1. H-zone is present in the middle of I-band
2. A-band is present in the middle of sarcomere.
3. During contraction of muscle, I-bands get reduced
4. The light bands contain actinified myosin protein

11. Appendicular skeleton includes:

12. Exoskeleton Is:

13. Exoskeleton in Diatoms is made up of:

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

15. The most complex types of exoskeleton is found in:

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

17. The longest and strongest bone in the body is:

18. Movement caused due to stimuli of touch is:

19. Movement occurs due to change in turgidity and size of cells as a result of loss or gain of water called:

20. The contraction of muscles depends upon: