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Course: Edexcel Modular - OL
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Edexcel Modular - OL

1. The Nature and Variety of Living Organisms

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2. Structures and Functions in Living Organisms

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3. Reproduction and Inheritance

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4. Ecology and the Environment

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5. Use of Biological Resources

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Quiz

Human Influences on the Environment (Unit 2) – Check yourself

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Human Influences on the Environment Edexcel O Level Modular Biology check yourself quiz: free practice for Edexcel Modular – OL. Work through this Human Influences on the Environment Edexcel O Level Modular Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 4.4 Human influences on the environment — Notes lesson. More practice: Edexcel Modular – OL — all units. Syllabus: Pearson Edexcel International GCSEs.

  • Questions count: 10
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
In eutrophication, fish die mainly because:
Algae are poisonous
The water is too warm
Nitrates are toxic
Bacteria use up dissolved oxygen
2.
Which is NOT a consequence of deforestation?
Soil erosion
Increased biodiversity
Increased atmospheric CO2
Leaching of nutrients
3.
Which statement best describes Enhanced greenhouse effect?
The release of harmful substances or energy into the environment by human activity.
The extra warming of the Earth caused by increased levels of greenhouse gases from human activities.
Rain with low pH caused by sulfur dioxide and nitrogen oxides dissolving in water in the atmosphere.
The large-scale cutting down of forests.
4.
Which statement best describes Leaching?
The washing of soluble nutrients such as nitrates out of soil by rain.
A gas such as CO2, methane, water vapour, nitrous oxide or CFCs that absorbs and re-emits infrared radiation.
A toxic gas from incomplete combustion that binds to haemoglobin.
A measure of how much oxygen microorganisms use in water; high values indicate organic pollution.
5.
Which statement best describes Deforestation?
A toxic gas from incomplete combustion that binds to haemoglobin.
The extra warming of the Earth caused by increased levels of greenhouse gases from human activities.
Excess nutrients in water causing algal growth, decomposition and oxygen depletion, killing aquatic organisms.
The large-scale cutting down of forests.
6.
IGCSE Biology 20.2 Habitat destruction - Question 1
IGCSE Biology 20.2 Habitat destruction - Question 1
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D
7.
IGCSE Biology 20.2 Habitat destruction - Question 2
IGCSE Biology 20.2 Habitat destruction - Question 2
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B
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D
8.
IGCSE Biology 20.2 Habitat destruction - Question 3
IGCSE Biology 20.2 Habitat destruction - Question 3
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9.
IGCSE Biology 20.3 Pollution - Question 1
IGCSE Biology 20.3 Pollution - Question 1
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10.
IGCSE Biology 20.3 Pollution - Question 3
IGCSE Biology 20.3 Pollution - Question 3
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Part of 4. Ecology and the Environment — see every lesson and quiz in this unit.
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