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Environmental Science Chapter 1 And 2 3/4 quiz 7

Environmental Science Chapter 1 And 2 3/4 quiz 7

Environmental science is defined as a branch of biology focused on the study of the relationships of the natural world and the relationships between organisms and their environments. The quiz below is designed to test out what you understood from chapter 1, 2,3 and four. Give it a try!

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Quiz Questions And Answers

Which of the following is a serious problem associated with the use of modern synthetic pesticides?

They can become extremely expensive for farmers to utilize
These pesticides often kill beneficial insect populations
They pollute the environment
All of these answers

Since 1945, approximately species of insects have developed resistance to one or more insecticides

50
500
1,000

Broad-spectrum pesticides may increase the number of best species through

Killing of parasites that may have kept the population of the pest low
Both killing of predators of the pest species and killing of parasites that may have kept the population of the pest low
All of these answers are correct

Which of the following approaches would be the least beneficial in trying to reduce insect damage

Rotating crops
Genetic engineering of crops
Planting monocultures
Bringing in natural enemies

Biological control of pests

Is toxic to use
Is fast-acting
Is not toxic to use

A pheromone is

XA strong herbicide
A species-specific chemical sex attractant
A bloodstream chemical that controls an organism's growth and development
A safe, natural pesticide

Which of the following statements is a weakness of using pheromones?

They are costly and time consuming to produce
They are more effective in the juvenile stage than the adult stage
Insects develop resistance to pheromones
They are biologically magnified in nontarget species

A hormone is

A strong new form of chemical insecticide awaiting approval by FIFRA
A strong herbicide
A species-specific chemical sex attractant
A chemical that controls an organisms's growth and development

Integrated pest management than pesticides

Requires more expert knowledge about individual pest-crop situations
Is faster acting
Requires more fertilizer and irrigation

An integrated pest management program attempts to

Increase inputs of fertilizer and irrigation water
Reduce crop damage to an economically tolerable level
Increase pesticide use
Decrease yields and increase costs
Increase the development of disease-resistant pests
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