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Biodiversity MDCAT MCQs with Answers

Biodiversity MCQs

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

Answer
c) Biodiversity

What is the primary measure of biodiversity within a specific habitat?
a) Species richness
b) Genetic diversity
c) Ecosystem diversity
d) Biotic potential

Answer
a) Species richness

Which of the following ecosystems is known for having the highest biodiversity?
a) Desert
b) Temperate forest
c) Tropical rainforest
d) Tundra

Answer
c) Tropical rainforest

What term describes the loss of species from an ecosystem?
a) Extinction
b) Eutrophication
c) Migration
d) Succession

Answer
a) Extinction

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

Answer
c) Variability of genes

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

Answer
c) Ecosystem 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

Answer
a) Keystone species

Which of the following threats is most commonly associated with habitat destruction?
a) Climate change
b) Pollution
c) Overexploitation
d) Deforestation

Answer
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

Answer
c) Endemic 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

Answer
a) Establishing protected areas

Which of the following is an example of an invasive species?
a) Bald eagle
b) Africanized honeybee
c) American bison
d) Komodo dragon

Answer
b) Africanized honeybee

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

Answer
b) To protect areas with high levels of endemic species and habitat loss

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

Answer
c) Both a and b

Which type of biodiversity involves the variety of genes within a species?
a) Species diversity
b) Ecosystem diversity
c) Genetic diversity
d) Functional diversity

Answer
c) Genetic diversity

Which international agreement aims to protect global biodiversity?
a) Kyoto Protocol
b) Paris Agreement
c) Convention on Biological Diversity
d) Ramsar Convention

Answer
c) Convention on Biological Diversity

Which of the following is a major cause of the loss of biodiversity?
a) Natural disasters
b) Industrialization
c) Migration
d) Ecological succession

Answer
b) Industrialization

What is the term for the gradual change in species composition in an ecosystem over time?
a) Succession
b) Evolution
c) Migration
d) Adaptation

Answer
a) Succession

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

Answer
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

Answer
c) Establishing wildlife reserves

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

Answer
b) Vulnerable 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

Answer
b) Species 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

Answer
b) To reduce habitat fragmentation

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

Answer
b) International Union for Conservation of Nature

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

Answer
a) Increased stability and resilience

Which ecosystem service is associated with the pollination of plants?
a) Provisioning
b) Regulating
c) Supporting
d) Cultural

Answer
b) Regulating

Which of the following activities can contribute to the preservation of biodiversity?
a) Sustainable agriculture
b) Overfishing
c) Deforestation
d) Pollution

Answer
a) Sustainable agriculture

What term refers to the loss of genetic variation within a population?
a) Genetic drift
b) Genetic erosion
c) Gene flow
d) Genetic bottleneck

Answer
b) Genetic erosion

Which of the following strategies is used to restore habitats and ecosystems?
a) Reforestation
b) Desertification
c) Urbanization
d) Overexploitation

Answer
a) Reforestation

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

Answer
a) Climate change

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

Answer
c) Ecosystem diversity

Which of the following is an example of a keystone species?
a) Sea otter
b) Golden retriever
c) House cat
d) Domestic chicken

Answer
a) Sea otter

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

Answer
b) Manage and protect species in captivity

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

Answer
b) Decreased ecosystem resilience

Which process is used to reintroduce endangered species into their natural habitat?
a) Captive breeding
b) Habitat fragmentation
c) Ecosystem restoration
d) Genetic modification

Answer
a) Captive breeding

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

Answer
b) International Union for Conservation of Nature

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

Answer
a) Reducing greenhouse gas emissions

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

Answer
b) Managing and protecting biodiversity

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

Answer
b) Keystone 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

Answer
a) Protect areas with high levels of species richness and threat of habitat loss

Which ecosystem service is directly linked to the maintenance of clean air and water?
a) Provisioning
b) Regulating
c) Supporting
d) Cultural

Answer
b) Regulating

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

Answer
b) In situ conservation

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

Answer
c) Decreased species populations

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

Answer
a) In situ conservation

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

Answer
b) Human activities

Which practice is an example of sustainable use of natural resources?
a) Overfishing
b) Logging in protected areas
c) Responsible tourism
d) Agricultural expansion

Answer
c) Responsible tourism

If you are interested to enhance your knowledge regarding PhysicsChemistryComputer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.

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