ENVS1301 Self Quiz Unit 7 PDF

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ENVS1301 Self Quiz Unit 7...

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Self-Quiz Unit 7 Started on State Completed on Time taken

Wednesday, 26 May 2021, 10:34 PM Finished Wednesday, 26 May 2021, 11:40 PM 1 hour 6 mins

Marks

6.00/10.00

Grade

18.00 out of 30.00 (60%)

Question 1 Incorrect Mark 0.00 out of 1.00

Flag question Question text

How is biological control used for battling pests? Select one: a. It the use of monoculture to eradicate pests.

b. It is the use of genetically modified organisms for pest control. c. It is the use of one biological species to reduce pests. d. It is the use of pesticides for battling pests. Feedback

The correct answer is: It is the use of one biological species to reduce pests.

Question 2 Correct Mark 1.00 out of 1.00

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Organic agriculture is a technique that __________. Select one: a. rejects to stop pests b. uses no herbicides c. uses no fertilizers d. uses no synthetic fertilizers, insecticides, fungicides, or herbicides

Feedback The correct answer is: uses no synthetic fertilizers, insecticides, fungicides, or herbicides

Question 3 Correct Mark 1.00 out of 1.00

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Bacillus thuringenensis is an example of __________ of pests.

Select one: a. biological control

b. chemical control c. mechanical control Feedback The correct answer is: biological control

Question 4 Incorrect Mark 0.00 out of 1.00

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When two or more crops are in close proximity to each other during part or all of their life cycles is known as: Select one: a. conservation b. intercropping c. crop rotation

d. precision agriculture Feedback The correct answer is: intercropping

Question 5 Correct Mark 1.00 out of 1.00

Flag question Question text

Fresh water can be made from seawater by the process of __________. Select one: a. calcification b. desalination

c. purification Feedback The correct answer is: desalination

Question 6 Correct Mark 1.00 out of 1.00

Flag question Question text

Water scarcity can have dire consequences for which of the following? Select one: a. people

b. environment c. economy d. all of the above

Feedback The correct answer is: all of the above

Question 7 Correct Mark 1.00 out of 1.00

Flag question Question text

One of the most notorious dead zones is found: Select one: a. in industrialized areas in developed nations. b. in the Gulf of Mexico.

c. in farming areas in developing nations. d. none of these. Feedback The correct answer is: in the Gulf of Mexico.

Question 8 Correct

Mark 1.00 out of 1.00

Flag question Question text

In what year was the Clean Water Act passed? Select one: a. 1972

b. 1977 c. 1982 d. 1987 Feedback The correct answer is: 1972

Question 9 Incorrect Mark 0.00 out of 1.00

Flag question Question text

Horizon(s) important for plant growth is (are): Select one:

a. B and C

b. R c. A and O d. E Feedback The correct answer is: A and O

Question 10 Incorrect Mark 0.00 out of 1.00

Flag question Question text

Soil erosion: Select one: a. is a natural process not caused by humans.

b. has been accelerated by human activities. c. is a visual problem only. d. none of these Feedback The correct answer is: has been accelerated by human activities....