Welcome to the Biodiversity MDCAT MCQs with Answers. In this post, we have shared Biodiversity Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Biology offers a chance to enhance your knowledge regarding Biodiversity MCQs in this MDCAT Online Test.
Which term refers to the variety of living organisms in a given area?
a) Ecosystem
b) Population
c) Biodiversity
d) Community
What is the primary measure of biodiversity within a specific habitat?
a) Species richness
b) Genetic diversity
c) Ecosystem diversity
d) Biotic potential
Which of the following ecosystems is known for having the highest biodiversity?
a) Desert
b) Temperate forest
c) Tropical rainforest
d) Tundra
What term describes the loss of species from an ecosystem?
a) Extinction
b) Eutrophication
c) Migration
d) Succession
Which of the following is a measure of genetic diversity within a species?
a) Number of species
b) Number of ecosystems
c) Variability of genes
d) Distribution range
Which type of biodiversity is concerned with the variety of ecosystems within a given region?
a) Species diversity
b) Genetic diversity
c) Ecosystem diversity
d) Functional diversity
What is the term for a species that has a disproportionately large effect on its environment relative to its abundance?
a) Keystone species
b) Endemic species
c) Invasive species
d) Indicator species
Which of the following threats is most commonly associated with habitat destruction?
a) Climate change
b) Pollution
c) Overexploitation
d) Deforestation
What term describes species that are native to and found only in a specific geographical area?
a) Endangered species
b) Invasive species
c) Endemic species
d) Migratory species
Which of the following is a method used to conserve biodiversity in situ?
a) Establishing protected areas
b) Breeding programs in captivity
c) Botanical gardens
d) Seed banks
Which of the following is an example of an invasive species?
a) Bald eagle
b) Africanized honeybee
c) American bison
d) Komodo dragon
What is the purpose of a biodiversity hotspot?
a) To preserve rare species
b) To protect areas with high levels of endemic species and habitat loss
c) To increase agricultural production
d) To manage fisheries
Which index is used to measure the diversity of species within a community?
a) Shannon-Wiener Index
b) Simpson’s Index
c) Both a and b
d) None of the above
Which type of biodiversity involves the variety of genes within a species?
a) Species diversity
b) Ecosystem diversity
c) Genetic diversity
d) Functional diversity
Which international agreement aims to protect global biodiversity?
a) Kyoto Protocol
b) Paris Agreement
c) Convention on Biological Diversity
d) Ramsar Convention
Which of the following is a major cause of the loss of biodiversity?
a) Natural disasters
b) Industrialization
c) Migration
d) Ecological succession
What is the term for the gradual change in species composition in an ecosystem over time?
a) Succession
b) Evolution
c) Migration
d) Adaptation
Which of the following actions is most effective in conserving endangered species?
a) Habitat restoration
b) Wildlife corridors
c) Anti-poaching measures
d) All of the above
Which of the following is an example of a biodiversity conservation strategy?
a) Genetic modification
b) Industrial farming
c) Establishing wildlife reserves
d) Urban sprawl
Which term describes species that are at risk of extinction in the near future?
a) Endangered species
b) Vulnerable species
c) Critically endangered species
d) Extinct species
Which type of biodiversity includes the different species found in a particular region?
a) Genetic diversity
b) Species diversity
c) Ecosystem diversity
d) Functional diversity
What is the primary goal of wildlife corridors?
a) To increase biodiversity
b) To reduce habitat fragmentation
c) To enhance agricultural productivity
d) To promote urban development
Which organization is responsible for the Red List of Threatened Species?
a) World Health Organization
b) International Union for Conservation of Nature
c) World Wildlife Fund
d) United Nations Environmental Programme
Which of the following is a benefit of maintaining biodiversity in an ecosystem?
a) Increased stability and resilience
b) Higher pollution levels
c) Decreased productivity
d) Reduced natural resources
Which ecosystem service is associated with the pollination of plants?
a) Provisioning
b) Regulating
c) Supporting
d) Cultural
Which of the following activities can contribute to the preservation of biodiversity?
a) Sustainable agriculture
b) Overfishing
c) Deforestation
d) Pollution
What term refers to the loss of genetic variation within a population?
a) Genetic drift
b) Genetic erosion
c) Gene flow
d) Genetic bottleneck
Which of the following strategies is used to restore habitats and ecosystems?
a) Reforestation
b) Desertification
c) Urbanization
d) Overexploitation
Which of the following is a primary factor contributing to the extinction of species?
a) Climate change
b) Natural selection
c) Genetic diversity
d) Ecological balance
Which type of biodiversity is concerned with the variety of ecosystems within a region?
a) Species diversity
b) Genetic diversity
c) Ecosystem diversity
d) Functional diversity
Which of the following is an example of a keystone species?
a) Sea otter
b) Golden retriever
c) House cat
d) Domestic chicken
What is the main goal of ex situ conservation?
a) Protect species in their natural habitat
b) Manage and protect species in captivity
c) Restore ecosystems
d) Regulate species migration
Which of the following is a direct result of biodiversity loss?
a) Increased ecological stability
b) Decreased ecosystem resilience
c) Enhanced species interactions
d) Improved ecosystem services
Which process is used to reintroduce endangered species into their natural habitat?
a) Captive breeding
b) Habitat fragmentation
c) Ecosystem restoration
d) Genetic modification
Which organization works to promote sustainable development and conservation globally?
a) Greenpeace
b) International Union for Conservation of Nature
c) World Health Organization
d) Food and Agriculture Organization
Which of the following actions can help protect biodiversity?
a) Reducing greenhouse gas emissions
b) Increasing industrial waste
c) Expanding urban areas
d) Overharvesting natural resources
What is the primary focus of conservation biology?
a) Improving human health
b) Managing and protecting biodiversity
c) Enhancing agricultural yields
d) Developing new technologies
Which type of species is crucial for maintaining the structure and function of an ecosystem?
a) Indicator species
b) Keystone species
c) Invasive species
d) Endemic species
What is the primary goal of a biodiversity hotspot?
a) Protect areas with high levels of species richness and threat of habitat loss
b) Increase agricultural productivity
c) Promote urban expansion
d) Develop new industrial technologies
Which ecosystem service is directly linked to the maintenance of clean air and water?
a) Provisioning
b) Regulating
c) Supporting
d) Cultural
Which term refers to the practice of protecting and managing species and their habitats in the wild?
a) Ex situ conservation
b) In situ conservation
c) Genetic engineering
d) Habitat destruction
Which of the following is a common result of habitat fragmentation?
a) Increased species migration
b) Increased genetic diversity
c) Decreased species populations
d) Enhanced ecosystem stability
Which conservation strategy involves creating protected areas like national parks and wildlife reserves?
a) In situ conservation
b) Ex situ conservation
c) Reintroduction
d) Sustainable use
Which factor is primarily responsible for the current high rates of species extinction?
a) Natural disasters
b) Human activities
c) Evolutionary changes
d) Natural climate fluctuations
Which practice is an example of sustainable use of natural resources?
a) Overfishing
b) Logging in protected areas
c) Responsible tourism
d) Agricultural expansion
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