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Potential exam questions #1 Fundamentals of Plant Protection
Warning: The following questions may be poorly worded and subjective. Exam questions will be worded differently.
Exams may also contain questions not listed here.
- Name 4 of the original pesticides
- What determines whether a substance is hazardous?
- When were the 1st synthetics developed?
- Why did they become more popular in the 1940's?
- From what are they primarily made?
- How many active ingredients are on the market today?
- What is the overriding general reason for pesticide use?
- List 3 consequences relating to food that could occur if pesticide use were stopped.
- Name 2 general health problems which pesticides can help control
- Name 2 examples of environmental problems caused by pesticide misuse.
- Indicate 2 ways that potential problems with pesticides can be reduced.
- Define Pest.
- Define Pesticide
- Define WEED (in the sense of a pest!)
- Name the 3 primary causes of interference by weeds
- The amount of competition by weeds is dependent on what three factors?
- Give a general rule concerning timing with regards to competition.
- Define Allelopathy.
- Give 3 characteristics of most common weeds
- What is the Over-riding cause of weed problems
- Identify 4 specific examples which illustrate this over-riding reason.
- Identify 5 losses or damage caused by weeds
- Name 3 benefits weeds might have
- How can knowing about plant biology improve our ability to control weeds?
- Name the 4 morphological regions of a plant.
- Indicate specifically how the destruction of the roots, leaves and flowers will affect the weed population.
- Indicate specifically where the stem must be destroyed in order to reduce dicot weeds (monocot weeds?)
- What do the Xylem and Phloem do in a plant?
- Name the 3 stem types that are most often implicated in vegetative reproduction.
- Name the 3 groups of plants when classified by Life cycle.
- Name the 2 groups of plants when classified by leaf style.
- Describe the life cycle of an Annual, a Biennial and a Perennial
- By what means do perennial weed plants usually reproduce? Annuals?
- Name 2 general ways by which weeds can be identified.
- Why is it important to be able to ID seedlings?
- Name the 2 plant families to which most weeds belong.
- Of what value is knowing the history of a piece of land for controlling weeds?
- Name the three weed management principles.
- Give 3 specific ways to prevent weed infestations
- Name and Describe the 4 categories of control methods using the principles of control or eradication. Give 1
specific example of each.
- What are the 4 ways by which herbicides might be classified?
- Name the 2 general manners by which Herbicides can be applied if classified by method of action. [to what are
they applied?]
- The Foliage type of herbicides are further differentiated into what classes?
- Name and describe the 3 times that herbicides (pesticides) might be
applied with respect to plant emergence.
- What is the difference between contact and systemic herbicides?
- How are both contact and systemic herbicides further differentiated?
- How are Soil applied herbicides further differentiated?
- How is it possible that the active ingredient in an herbicide be classified as both a soil applied short residual
herbicide and as a foliar systemic herbicide?
- Name the 2 classes of herbicides classified on the basis of chemical composition.
- What is the difference between an organic and inorganic herbicide?
- Name 2 inorganic herbicides
- Name 2 organic herbicide groups
- What else are herbicide chemicals used for on plants? Give a couple of specific examples
- Identify the 4 Characteristic Responses to the management of annual weeds (concerns, characteristics etc)
- Identify the 4 Characteristic Responses to the management of perennial weeds (concerns, characteristics etc)
- When are the 2 best times to use herbicides on perennials
- Evaluation: Indicate the connection between how soon perennial shoots
re-grow to the type and amount of injury
the weeds suffer through control
- Describe 3 practical effects of tillage control practices on perennial weeds
- Describe 4 herbicide types and their effects in controlling perennial weeds
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