Lesson 4.2.1b
4.2.1b Factors affecting biodiversity and conservation Quiz: OCR Biology, Unit 4
20 questions
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Lesson 4.2.1b, Factors affecting biodiversity and conservation: 20 multiple choice questions for the OCR Biology (H020), Unit 4: Biodiversity, written with Revision Ninja.
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The 20 questions
-
Which human factor drives habitat destruction through increased demand for land?
- Selective breeding
- Population growth
- Sustainable forestry
- Ex situ conservation
-
How does monoculture farming affect the biodiversity of an agricultural area?
- Increases genetic variation
- Enhances habitat heterogeneity
- Reduces species richness
- Promotes keystone species
-
Protecting which type of species is an ecological reason to maintain biodiversity?
- Invasive species
- Keystone species
- Endemic pests
- Monoculture crops
-
Which option is an economic reason to maintain biodiversity?
- Protecting landscape beauty
- Inspiring artistic works
- Fulfilling moral duty
- Preventing soil depletion
-
Which option is an aesthetic reason to maintain biodiversity?
- Protecting natural beauty
- Maintaining soil fertility
- Fulfilling moral duty
- Discovering new medicines
-
Which of these is an example of in situ conservation?
- Botanic garden
- Marine conservation zone
- Frozen seed bank
- Captive breeding zoo
-
Which of these is an example of ex situ conservation?
- Marine reserve
- Wildlife sanctuary
- Seed bank
- National park
-
Which international agreement regulates the trade in endangered species?
- CITES
- Rio Convention
- Countryside Stewardship Scheme
- UNFCCC
-
What is a key objective of the Rio Convention on Biological Diversity?
- Regulating international trade
- Banning all hunting
- Freezing seeds globally
- Sustainable ecosystem use
-
Cultivating a rare plant inside a botanic garden is an example of which process?
- Sustainable harvesting
- Ex situ conservation
- Succession management
- In situ conservation
-
A captive population of a rare species has 30 gene loci, of which 12 are polymorphic. What percentage of loci are polymorphic?
- 12%
- 30%
- 60%
- 40%
-
Breeding a captive population from only four founder animals leads directly to what?
- Low genetic diversity
- High polymorphism
- Gene flow increase
- Increased mutation rate
-
Which activity directly reduces habitat biodiversity in a local region?
- Selective breeding
- Deforestation for farming
- Seed storage
- Captive breeding
-
Which UK scheme pays farmers to maintain hedgerows for wildlife?
- IUCN Red List
- CITES
- Rio Convention
- Countryside Stewardship Scheme
-
What defines a keystone species within an ecosystem?
- Disproportionately large impact
- Highest organism count
- Highest biomass total
- Largest physical size
-
Which pair correctly matches a conservation method with an example?
- In situ: zoo
- Ex situ: zoo
- Ex situ: reserve
- In situ: seedbank
-
What is a major long-term consequence of continuous crop monoculture?
- Greater genetic variation
- Soil nutrient depletion
- Higher habitat diversity
- Increased species richness
-
Compared to a population with 60% polymorphic loci, one with 80% has what?
- Greater genetic diversity
- Higher inbreeding rate
- Reduced adaptive potential
- Lower allele count
-
Which factor limits a species' ability to adapt to climate change?
- Low genetic diversity
- Wide geographic distribution
- Large population size
- High reproductive rate
-
What is the primary purpose of storing plant seeds in an ex situ seed bank?
- Genetic backup
- Habitat restoration
- Invasive control
- Natural selection
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