Question 1

________________________________________ were mainly natural chemicals or botanicals obtained from plants.

Accepted Answer

First-gene

Question 2

Only about ____________________ % of the insecticide applied to crops by aerial spraying actually reaches the target pests.

Accepted Answer

The answer of Only about ____________________ % of the insecticide...

Question 3

Which of the following is involved in the pesticide treadmill?

Accepted Answer

A)  weaker doses of pesticides 
B)  lower quantities of pesticides 
C)  lower effectiveness of pesticides 
D)  less frequent doses of pesticides 
A)  weaker doses of pesticides 
B)  lower quantities of pesticides 
C)  lower effectiveness of pesticides 
D)  less frequent doses of pesticides

Question 4

What is one outcome of an integrated pest management program?

Accepted Answer

A)  It can increase pesticide use. 
B)  It can increase inputs of fertilizer and irrigation water. 
C)  It can reduce pre-harvest, pest-induced crop losses by 50%. 
D)  It can decrease yields and increase costs. 
A)  It can increase pesticide use. 
B)  It can increase inputs of fertilizer and irrigation water. 
C)  It can reduce pre-harvest, pest-induced crop losses by 50%. 
D)  It can decrease yields and increase costs.

Question 5

about ____________________ % of all insects might be considered pests.

Accepted Answer

The answer of about ____________________ % of all insects might...

Question 6

Biological controls include ladybugs,parasitic wasps,and spiders.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is included in the category of first-generation pesticides?

Accepted Answer

A)  catechin 
B)  rotenone 
C)  DDT 
D)  chlorinated hydrocarbons 
A)  catechin 
B)  rotenone 
C)  DDT 
D)  chlorinated hydrocarbons

Question 8

Plants and animals have evolved a variety of natural attractants called ____________________.

Accepted Answer

The answer of Plants and animals have evolved a variety...

Question 9

Hormones can be used to disrupt an insect's normal life cycle.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is a major class of insecticides?

Accepted Answer

A)  carbamates 
B)  bromated hydrocarbons 
C)  organicals 
D)  biocontrols 
A)  carbamates 
B)  bromated hydrocarbons 
C)  organicals 
D)  biocontrols

Question 11

Which method was used to control insect pests in alfalfa and potato fields,and in citrus groves in Florida?

Accepted Answer

A)  spraying pests with insect hormones 
B)  spraying pests with insect pheromones 
C)  applying biological pest control 
D)  spraying pests with hot water 
A)  spraying pests with insect hormones 
B)  spraying pests with insect pheromones 
C)  applying biological pest control 
D)  spraying pests with hot water

Question 12

What makes DDT so persistent in the environment?

Accepted Answer

it is not soluble in water so

Question 13

Genetic engineering is not presently feasible for speeding up development of pest-resistant and disease-resistant crop strains.

Accepted Answer

A) True 
 B)False

Question 14

What are some cultivation practices that would make conditions inhospitable for pest species?

Accepted Answer

rotate crops in field in each year; adju

Question 15

Which category do maneb and aldicarb belong to?

Accepted Answer

A)  contact insecticides 
B)  pyrethroids 
C)  carbamates 
D)  chlorinated hydrocarbons 
A)  contact insecticides 
B)  pyrethroids 
C)  carbamates 
D)  chlorinated hydrocarbons

Question 16

Which statement best defines a pest?

Accepted Answer

A)  It is an organism that is immune to pesticides. 
B)  It is an organism that feeds primarily on spiders. 
C)  It is an organism that controls the spread of disease. 
D)  It is an organism that interferes with human activity. 
A)  It is an organism that is immune to pesticides. 
B)  It is an organism that feeds primarily on spiders. 
C)  It is an organism that controls the spread of disease. 
D)  It is an organism that interferes with human activity.

Question 17

Which category do aldrin,dieldrin,endrin,lindane,DDT,and mirex belong to?

Accepted Answer

A)  pyrethroids 
B)  carbamates 
C)  chlorinated hydrocarbons 
D)  organophosphates 
A)  pyrethroids 
B)  carbamates 
C)  chlorinated hydrocarbons 
D)  organophosphates

Question 18

DDT was the first of the so-called second-generation pesticides.

Accepted Answer

A) True 
 B)False

Question 19

Integrated pest management is an ecological approach to controlling insects.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following statements is correct about mountain pine beetles?

Accepted Answer

A)  They are medium-size brown bark beetles that are devastating pine forests in the Appalachian Mountains of Quebec and Labrador. 
B)  They are small dark-coloured native bark beetles that are currently infesting, damaging and destroying pine trees in western Canada. 
C)  They are red-and-white pine beetles, originally native to China, that are attacking high-altitude pines in southern British Columbia. 
D)  They are an invasive species of beetle, originally from cool high-altitude pine forests of the U.S., that have crossed the border into Canada and started infesting our cool-temperature northern pine forests. 
A)  They are medium-size brown bark beetles that are devastating pine forests in the Appalachian Mountains of Quebec and Labrador. 
B)  They are small dark-coloured native bark beetles that are currently infesting, damaging and destroying pine trees in western Canada. 
C)  They are red-and-white pine beetles, originally native to China, that are attacking high-altitude pines in southern British Columbia. 
D)  They are an invasive species of beetle, originally from cool high-altitude pine forests of the U.S., that have crossed the border into Canada and started infesting our cool-temperature northern pine forests.

Exam 23: Pest Management

________________________________________ were mainly natural chemicals or botanicals obtained from plants.

Only about ____________________ % of the insecticide applied to crops by aerial spraying actually reaches the target pests.

Which of the following is involved in the pesticide treadmill?

What is one outcome of an integrated pest management program?

about ____________________ % of all insects might be considered pests.

Biological controls include ladybugs,parasitic wasps,and spiders.

Which of the following is included in the category of first-generation pesticides?

Plants and animals have evolved a variety of natural attractants called ____________________.

Hormones can be used to disrupt an insect's normal life cycle.

Which of the following is a major class of insecticides?

Which method was used to control insect pests in alfalfa and potato fields,and in citrus groves in Florida?

What makes DDT so persistent in the environment?

Genetic engineering is not presently feasible for speeding up development of pest-resistant and disease-resistant crop strains.

What are some cultivation practices that would make conditions inhospitable for pest species?

Which category do maneb and aldicarb belong to?

Which statement best defines a pest?

Which category do aldrin,dieldrin,endrin,lindane,DDT,and mirex belong to?

DDT was the first of the so-called second-generation pesticides.

Integrated pest management is an ecological approach to controlling insects.

Which of the following statements is correct about mountain pine beetles?

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