Cambridge IGCSE · Environmental Management (0680)

Impact of agriculture: Practice Questions

2 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Impact of agriculture.

7 questions21 marksFree, no account

Question 1

1 mark

The overuse of fertilisers containing nitrate ions, \( NO_{3}^{-} \), can lead to which environmental problem when they are washed into nearby water bodies by surface runoff?

Question 2

1 mark

Excessive use of insecticides in a monoculture system can lead to the "pest resurgence" phenomenon. What is the primary cause of this impact?

Question 3

2 marks

Define the term arable farming as it relates to agricultural systems.

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Question 4

3 marks

Explain how the overuse of fertilisers in agriculture can lead to the degradation of nearby water bodies.

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Question 5

5 marks

Explain how monoculture practices contribute to the rapid exhaustion of mineral ion content in the soil.

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Question 6

4 marks

(a) State the primary purpose of using fertilisers in modern agriculture.
(b) Explain how the overuse of fertilisers can lead to the contamination of nearby water bodies.
(c) Briefly describe the impact this contamination has on aquatic organisms.

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Question 7

5 marks

In many arid regions, large-scale irrigation is necessary for crop growth.
(a) Explain the process of salinisation that occurs due to the mismanagement of irrigation.
(b) Describe how waterlogging can also occur in these systems and its effect on plant roots.

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