Biological Plant Science
Unit 11 Review – Plants and Chemicals
11.1 Define Terms
Match the following terms with their BEST definition listed below:
A. Growth retardant
B. growth regulator
C. herbicide
D. integrated pest management
E. insecticide
F. pesticide
_____ 1. Compounds applied to plants to promote, inhibit, or modify plant growth processes.
_____2. Anything that is used to control, manage, or eliminate pests.
_____3. A chemical used to kill insects.
_____4. Chemicals that inhibit the action of gibberellins on stem elongation.
_____5. An approach that manages pest populations while minimizing environmental damage and
reducing economic damage.
_____6. Used to control weeds or herbs.
Match the following terms with their BEST definition listed below:
A. Auxin
B. defoliant
C. mode of action
D. non-selective
E. pest
F. stomach insecticide
_____ 7. Plant hormone that inhibits lateral shoot growth.
_____8. Refers to how herbicides kill weeds.
_____9. An insecticide that kills an insect when it is ingested.
_____10. A chemical substance applied to plants which causes the foliage to fall off.
_____11. Anything that is unwanted.
_____12. A herbicide that kills all vegetation.
11.2
Explain the use and meaning of integrated pest management (IMP)
13. Briefly explain what Integrated Pest Management means:
14. Give one example of using integrated pest management:
15. Identify at least one advantage of integrated pest management:
11.3
Discuss the role and importance of chemical products in the biological plant sciences
Identify a specific example of a situation where each of the following might be needed:
16. defoliant:
17. growth regulator:
18. growth retardant:
19. herbicide:
20. insecticide:
21. pesticide:
11.4
Explain various modes of action for pesticides
22. Briefly explain the difference between a selective and a non-selective herbicide:
23. Briefly explain what mode of action means and give at least two examples:
11.5
List and identify common plant hormones and growth regulators
Complete the following chart on plant hormones:
Plant Hormone
Auxin
Cytokinin
Ethylene
Abscisic Acid
Gibberellin
Where found in
Plant
Major Functions