Support and movement – Online MCQs Test – Biology MCAT

1. Uniformly thick, heavily lignified secondary walls which give strength to the plant body are all characteristics of:

2. Number of Carpel bones in each wrist is:

3. Number of muscles present in a human body is:

4. Growth movement in plants is mainly controlled by phytohormone called:

5. During muscular contraction, the

6. Exoskeleton in Diatoms is made up of:

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

8. Locomotion in Euglena is bought about by:

9. 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

10. What is the skeletal system?

11. Protoplasm possesses special characteristics of due to change in environment.

12. Molluscs have an exoskeleton made up of:

13. Elongated cells with tapered ends, tough and strong but flexible, are all characteristics of:

14. Physioloaical inability of muscle to contract is called:

15. Movement takes place at:

16. Muscles that straighten two bones at joints are called extensors. What is the name for muscles that cause two bones to bend at joints?

17. The only moveable bone in the skull is:

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

19. Joint present in elbow is:

20. The contraction of muscles depends upon: