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Course: Edexcel International GCSE Biology 4BI1
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Edexcel International GCSE Biology 4BI1

1. The Nature & Variety of Living Organisms

0/2 Dr Dabour Hub Science Diagram and Course Material

2. Structure & Functions in Living Organisms

0/31 Dr Dabour Hub Science Diagram and Course Material

3. Reproduction & Inheritance

0/6 Dr Dabour Hub Science Diagram and Course Material

4. Ecology & the Environment

0/11 Dr Dabour Hub Science Diagram and Course Material

5. Use of Biological Resources

0/11 Dr Dabour Hub Science Diagram and Course Material
Quiz

4.1 The Organism in the Environment – Check yourself

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Organism in the Environment Edexcel IGCSE Biology 4BI1 check yourself quiz: free practice for Edexcel International Gcse Biology 4BI1. Work through this Organism in the Environment Edexcel IGCSE Biology 4BI1 check yourself quiz and get instant feedback on every answer. If you get stuck, review the 4.1 The Organism in the Environment — Notes lesson. More practice: Edexcel International Gcse Biology 4BI1 — all units. Syllabus: Pearson Edexcel International GCSEs.

  • Questions count: 10
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
All the organisms of one species in an area form a:
Community
Habitat
Population
Ecosystem
2.
Why are quadrats placed randomly?
To avoid bias in sampling
To save time
To study distribution along a gradient
To measure light
3.
Which is a biotic factor?
Soil pH
Temperature
Light intensity
Predation
4.
Which method is best for studying how plant species change from a hedge into a field?
Random quadrats
A transect
Capture-recapture
Counting all plants
5.
A 1 m2 quadrat mean is 4 snails; the area is 50 m2. Estimated population:
54
12.5
200
46
6.
Biodiversity refers to:
The number of individuals of one species
The variety of species in an area
The mass of living organisms
The number of food chains
7.
Which statement best describes Habitat?
All the organisms of one species living in the same area at the same time.
A square frame of known area used to sample organisms.
A community of organisms together with the non-living environment they interact with.
The place where an organism lives.
8.
Which statement best describes Abiotic factor?
A non-living factor that affects organisms, such as temperature or light intensity.
A living factor that affects organisms, such as predation or competition.
All the populations of different species living in the same habitat.
All the organisms of one species living in the same area at the same time.
9.
Which statement best describes Quadrat?
A square frame of known area used to sample organisms.
A living factor that affects organisms, such as predation or competition.
A line across a habitat along which samples are taken to study how distribution changes.
All the organisms of one species living in the same area at the same time.
10.
Which statement best describes Ecosystem?
The place where an organism lives.
A community of organisms together with the non-living environment they interact with.
The variety of different species living in an area.
All the populations of different species living in the same habitat.
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Part of 4. Ecology & the Environment — see every lesson and quiz in this unit.
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