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Hi friends, in this biodiversity quiz
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you have 30 questions at three levels.
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First 10 questions basic level, next 10
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intermediate level and the final 10
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questions advanced level that will be
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helpful for all competitive exams in
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biological science. Question number one,
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what is biodiversity? Options are it is
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a study of diversity of animals on the
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planet. Option B, the number of
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different types of populations in a
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region. Option C, the variety of
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species, genes, and ecosystems on Earth.
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Option D, the number of different types
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of species in a region. You have 10
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seconds to answer this question.
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The correct answer is it is a variety of
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species, genes, and ecosystems on Earth.
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Question number two, which of the
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following is an example of a threatened
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species? Option A, an animal that is
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extinct. Option B, an animal whose
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population is declining and is at the
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risk of extinction. Option C, a plant
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that grows quickly and is found
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everywhere. Option D, an animal whose
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population is declining drastically.
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The correct answer is a threatened
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species is an animal whose population is
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declining and is at the risk of
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extinction. Question number three, the
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loss of biodiversity means option A
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habitat destruction. Option B
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extinction, option C, loss of genetic
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variation. Option D, all of these.
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The correct answer is all of these.
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Question number four, what is a hot spot
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of biodiversity? Option A, a place with
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very high temperatures. Option B, an
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area with a large number of endemic
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species that are under threat. Option C,
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a popular tourist destination with rich
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biodiversity. Option D, a very high
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temperature region with many endemic
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species under threat.
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The correct answer is hotspot is an area
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with a large number of endemic species
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that are under threat. Question number
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five, what is the main cause of
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biodiversity loss today? Option A,
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natural disasters like earthquakes and
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floods. Option B, habitat destruction
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and fragmentation. Option C, pollution
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and industrialization. Option D, climate
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The correct answer is habitat
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destruction and fragmentation.
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Question number six, what does endemic
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species mean? Option A, species that can
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live in many different environments.
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Option B, a species often present at the
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core zone of an ecosystem. Option C, a
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species that is very rare worldwide.
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Option B, a species that is only found
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in one specific geographic area.
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The answer is endemic species is a
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species that is only found in one
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specific geographic area. Panda is
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endemic to China. Kangaroo is endemic to
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Question number seven. Which type of
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diversity refers to the variety of genes
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within a species? Option A, species
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diversity. Option B ecosystem diversity.
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Option C genetic diversity. Option D
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Correct answer is genetic diversity.
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Question number eight. Why is
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biodiversity important for ecosystems?
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Option A. It makes ecosystems stable but
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weak. Option B, makes ecosystem stable
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and resilient. Option C, it has no
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effect on ecosystem health. Option D, it
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only benefits a few select species.
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The correct answer is it makes
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ecosystems stable and resilient.
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Question number nine, what is a keystone
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species? Option A, species that is
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important to an ecosystem. Option B, a
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species whose removal has a
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disproportionately large effect on its
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ecosystem. Option C, a species that is a
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predator at the top of the food chain.
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Option D, a plant species that is a
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The answer is a species whose removal
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has a dis disproportionately large
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effect on its ecosystem. Keystone
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species include tiger, elephant in
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grasslands, etc. Question number 10,
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what is conservation biology? Option A,
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the scientific study of climate change
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and its impact on biodiversity
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conservation. Option B, the scientific
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study of conservation of natural
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resources. Option C, the scientific
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study of the nature and status of its
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biodiversity within the aim of
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protecting it. Option D, the study of
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The correct answer is conservation
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biology is a scientific study of the
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nature and status of Earth's
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biodiversity with an aim of protecting
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it. Question number 11. The sixth mass
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extinction is primarily driven by which
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factor? Option A, asteroid impact and
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pollution. Option B, climate change and
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invasive species. Option C, human
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activities. Option D, natural geological
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The answer is human activities. Question
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number 12. What is the difference
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between XC2 and INC2 conservation?
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Option A. Exit conservation is for
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plants, institute for animals. Option B,
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exit conserves species in their natural
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habitat while INC2 conserves them
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outside their natural habitat. Option C,
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INC2 conserves species in their natural
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habitat while exit conserves them
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outside their natural habitat. Option D,
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exit is for marine species whereas initu
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is for terrestrial species.
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The correct answer is institute
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of species is within their natural
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habitat that means inside the natural
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habitat whereas exit it is external or
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conserves them outside the natural
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habitat. Question number 13. The concept
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of ecosystem surfaces means option A the
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jobs created by the tourism and
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ecosystem based industries. Option B,
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the direct financial value of natural
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resources. Option C, the benefits that
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humans receive from ecosystems. Option
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D, the legal framework for environmental
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The correct answer is ecosystem services
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means the benefits that humans receive
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from ecosystems. Question number 14. A
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biome is best described as option A. a
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specific local habitat with rich
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biodiversity. Option B, group of
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organisms interacting with each other
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and with their environment. Option C, a
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large geographic region of plants and
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animals characterized by the dominant
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plant type. Option D, a large geographic
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region of plants and animals
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characterized by the dominant predator
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The correct answer is a large geographic
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region of plants and animals
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characterized by the dominant plant
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type. Question number 15. What is a term
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for a species introduced to a new
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environment that causes harm to the
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native species and ecosystem? Option A,
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endomic species. Option B, founder
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species. Option C, pioneer species.
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Option D, invasive species.
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The correct answer is invasive species.
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Question number 16. Which of the
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following is a primary threat to the
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coral reef destruction? Option A,
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pollution and microplastic pollution.
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Option B, climate change and ocean
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acidification. Option C, coastal
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development. Option D, alkali blooms.
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The correct answer is ocean
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acidification caused by increased carbon
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dioxide absorption and climate change.
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Question number 17. A trophic cascade is
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a phenomenon where option A, nutrients
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flow from the soil to the plants. Option
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B, the removal of top predator causes
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change in the population of other
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species at different trophic levels.
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Option C, different species share the
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same food resource. Option D, a species
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adapts to a new climate.
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The correct answer is the removal of a
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top predator causes changes in the
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population of other species at different
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trophic levels. Question number 18, what
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is the edge effect in biodiversity?
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Option A, the gradual change in species
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composition as you move from the core of
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the habitat to its edge. Option B, the
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increase in species diversity at the
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center of the habitat. Option C, the
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complete loss of biodiversity at the
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edge of a habitat. Option D, the
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protective barrier created by a
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The correct answer is the gradual change
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in species composition as you move from
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the core of a habitat to its edge.
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Question number 19. The Millennium
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Ecosystem Assessment, MEA, categorized
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ecosystem services into which four main
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types. Option A, provisioning,
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supporting, regulating, and cultural.
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Option B, economic, social,
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environmental, and political. Option C,
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aesthetic, recreational, educational and
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spiritual. Option B, food, water, air
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The correct answer is provisioning,
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supporting, regulating and cultural.
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Question number 20. What is a
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biodiversity index like the Shannon
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winner index? Option A, measure of total
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number of individuals in an ecosystem.
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Option B, a single number that
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represents the diversity of species in a
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community taking into account both
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species richness and evenness. Option C,
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a way to calculate the age of a habitat.
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Option D, a list of all species found in
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The correct answer is a single number
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that represents the diversity of species
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in a community taking into account both
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species richness and evenness. Question
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number 21. The concept of a biodiversity
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offset is designed to achieve what?
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Option A, to create new habitats without
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any environmental impact. Option B to
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compensate for unavoidable biodiversity
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loss by achieving measurable
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conservation outcomes elsewhere. Option
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C to prevent all human development if it
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disturbs ecosystem. Option D to find
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companies that damage the environment.
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The correct answer is biodiversity
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offset is to compensate for unavoidable
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biodiversity loss by achieving
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measurable conservation outcomes
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elsewhere? Question number 22. Which
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principle states that the genetic
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diversity of a species is higher near
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the equator and decreases towards the
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ports? Option A, the latitudinal
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biodiversity gradient. Option B, the
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island biogeography theory. Option C,
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the longitudinal biodiversity gradient.
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Option D, the principle of competitive
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The correct answer is the latitudinal
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biodiversity gradient. Question number
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23. The Ali effect is a phenomenon where
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option A, a species growth rate
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increases with a decrease in population
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density. Option B, individuals of a
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species cooperate at low population
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densities leading to a positive
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correlation between population size and
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growth rate. Option C, competition
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between species leads to exclusion of
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one. Option D, population growth is
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limited by a single resource.
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The correct answer is individuals of a
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species cooperate at low population
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densities leading to a positive
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correlation between population size and
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growth rate. Question number 24, what is
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biorrosspecting? Option A, the illegal
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harvesting of endangered species. Option
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B, the exploration of natural resources
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for commercially valuable compounds,
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genes or products. Option C, the legal
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harvesting of endangered species for
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commercial use. Option D, the process of
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reintroducing a species into the Y.
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The correct answer is the exploration of
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natural resources for commercially
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valuable compounds, genes, and products.
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Question number 25. An independent
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intergovernmental body established in
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2012 to provide policy makers with
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objective evidence-based scientific
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assessments on the global and regional
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biodiversity ecosystems and their vital
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services to people is option A MAB,
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option B IPCC, option C UNCC, option D
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The correct answer is IPBES,
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Intergovernmental Science Policy
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Platform on Biodiversity and Ecosystem
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Services. Question number 26, what is
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cryptic speciation? Option A, the
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process of a species going extinct
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without being discovered. Option B, the
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existence of two or more species that
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are morphologically identical but
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reproductively isolated and genetically
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distinct. Option C, the formation of a
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new species through hybridization.
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Option sudden appearance of a new
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species in the fossil record.
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The correct answer is cryptic species is
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the existence of two or more species
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that are morphologically identical but
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reproductively isolated and genetically
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distinct. Question number 27. The
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concept of niche partitioning helps to
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explain how species can live in same
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area without direct competition. Option
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B. A single species can occupy multiple
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habitats. Option C, a keystone species
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controls an ecosystem. Option D, an
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invasive species out competes a native
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The correct answer is species can live
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in the same area without direct
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competition. Question number 28. What is
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the primary focus of the CBD or
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convention on biological diversity?
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Option A to establish global parks and
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wildlife sanctuaries for biodiversity
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protection. Option B, the conservation
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of biological diversity, the sustainable
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use of its components and the fair and
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equitable sharing of benefits arising
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from genetic resources. Option C, the
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conservation of endangered species and
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its international trade regulations.
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Option D to conserve fund scientific
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research on new species and conservation
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of endangered species.
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The answer is the conservation of
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biological diversity, the sustainable
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use of its components and the fair and
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equitable sharing of benefits arising
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from genetic resources. Question number
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29. The insurance hypothesis of
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biodiversity suggests that option A that
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ecosystem with higher biodiversity are
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more resilient and stable against
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environmental changes. Option B that
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ensuring species against extinction is a
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cost effective conservation strategy.
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Option C that biodiversity is directly
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proportional to economic growth. Option
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D that species diversity is a random
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occurrence stabilized by environment.
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The correct answer is insurance
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hypothesis states that ecosystem with
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higher biodiversity are more resilient
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and stable against environmental
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changes. And the final question, what is
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meta population dynamics? Option A, the
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study of population growth in a single
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isolated habitat. Option B, the study of
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how a group of specially separated
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populations of the same species interact
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with individuals moving among them.
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Option C, the study of relationship
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between a predator and its prey
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population. Option D, the study of how
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different populations of the same
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species interact within an ecosystem.
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The answer is metapopul dynamics is a
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study of how a group of spatially
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disperated populations of the same
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species interact with individuals moving
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Hope you are benefited from this use. We
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Comment your score below. Take care.
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