CH. 7 Pesticides and the Environment

Question 1

(True or False) The airborne movement of a pesticide from its target area occurs only during application and it is clearly visible when it occurs.

Answer 1

FALSE

Question 2

Select the condition that could help reduce pesticide volatilization.

a. high air temperatures
b. low relative humidity
c. incorporation

Answer 2

C

Question 3

(True or False) Pesticide adsorption in greatest in coarse, sandy soils.

Answer 3

FALSE

Question 4

(True or False) Runoff is usually more likely from a water saturated soil than from an unsaturated soil.

Answer 4

TRUE

Question 5

(True or False) Pesticide degradation processes can be beneficial because they reduce the amount of pesticide residue in the environment.

Answer 5

TRUE

Question 6

The upper level of the water saturated zone in the soil is called the:

a. surface water
b. aquifer level
c. water table

Answer 6

C

Question 7

(True or False)Pesticide properties have little, if any, effect on wether a chemical will reach ground water.

Answer 7

FALSE

Question 8

Pesticides can reach ground water through:

a. microbial activity
b. leaching
c. absorption

Answer 8

B

Question 9

(True or False) Pesticide contaminated surface water can contaminate ground water.

Answer 9

TRUE

Question 10

To reduce the potential for ground water contamination :

a. rinse application equipment on sandy soil so the rinsate doesn’t puddle
b. delay application of pesticides if a heavy rain is expected
c. store un-rinsed empty pesticide containers outside

Answer 10

B

Question 11

Spray drift is the lease when which of the following conditions exist?

a. droplet size increases, wind speed increases
b. droplet size decreases, wind speed decreases
c. droplet size increases, wind speed decreases

Answer 11

C

Question 12

Select the FALSE statement. To reduce the chances of bee poisoning from pesticide:

a. select dust formulations whenever possible
b. do not apply pesticides toxic to bee during bloom
c. reduce drift during application

Answer 12

A

Question 13

Fish kills most commonly result from pollution of water by:

a. herbicides
b. fungicides
d. insecticides

Answer 13

C

Question 14

Drift problems can be reduced by:

a. spraying upwind of a sensitive area and leaving an untreated border
b. placing a spray boom as close to the target as possible
c. applying in very calm and stable air conditions

Answer 14

B

Question 15

(True or False) Accidental or intentional environmental damage caused by a pesticide can result in financial losses to the responsible party.

Answer 15

TRUE

Question 16

(True or False)

Drift can be minimized if precautionary measures are taken (monitor weather, alter spray systems).

Answer 16

TRUE

Question 17

Movement of chemical into plants, animals, microorganisms, soil, etc… is called?

Answer 17

Absorption

Question 18

Product that is specific for mites & ticks…?

Answer 18

Acaricide