Biodiversity MCQs with Answers

adminJune 10, 2024

0 25 2 minutes read

Welcome to the Biodiversity MCQs with Answers. In this post, we have shared Biodiversity Online Test for different competitive exams. Find practice Biodiversity Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Biodiversity.

Maybe one of the most prominent aspects of nature is biodiversity, which encompasses a wide range of forms and kinds of life and ecosystems. Genetic, species, and ecosystem are three domains into which it is classified. Ecosystem diversity is the accumulation of habitats, communities, and ecological processes in a specific area; it may be very important for maintaining the balance of natural systems.

Biodiversity hotspots are areas of exceptionally high endemic species, together with significant habitat loss. Over the years, these areas have been ranked highly in biodiversity conservation due to their holding so much unique organism material. Therefore, conserving biodiversity hotspots is an important step toward maintaining global biodiversity and ecological stability.

It is much more than the number of species. Biodiversity maintains integral services toward survival in the ecosystem, such as clean air and water; crop pollination; and climate regulation. Preserved biodiversity can be protected through strategic conservation providing protected areas, rehabilitating degraded habitats, and implementing more sustainable uses in order to reduce the impact of humans on biodiversity.

Biodiversity conservation forms the basis of the health of the whole web of life on our earth. For a full understanding and conservations of different kinds of biodiversity, it makes sure that ecosystems are well rooted and will continue to reap the benefits in numerous other ways. Being part of such a vision maintains the whole rich tapestry of life in our natural world in safety for generations to come.

Biodiversity Online Quiz

By presenting 3 options to choose from, Biodiversity Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Biodiversity Questions and Answers and click over the correct answer.

Test Name: Biodiversity MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Biodiversity

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1 / 40

What is the role of pollinators in maintaining biodiversity?

They are irrelevant to plant reproduction

They compete with plants for resources

They facilitate the reproduction of flowering plants

2 / 40

How does biodiversity contribute to climate regulation?

Only large-scale geological processes regulate climate

Biodiversity has no impact on climate regulation

Plants absorb carbon dioxide and release oxygen, helping regulate the climate

3 / 40

What is the primary driver of coral reef decline globally?

Overfishing

Invasive species

Climate change and coral bleaching

4 / 40

How does biodiversity contribute to food security?

Diverse ecosystems provide a variety of food sources and genetic resources for crops

Monocultures are more secure for food production

Biodiversity has no impact on food security

5 / 40

What is the main threat to marine biodiversity?

Climate change

Pollution

Overfishing and habitat destruction

6 / 40

What is biodiversity?

The number of species in a single ecosystem

The variety of life in a given area

The total biomass in an ecosystem

7 / 40

What is the role of corridors in promoting biodiversity conservation?

Provide recreational spaces for humans

Isolate populations to prevent interbreeding

Connect fragmented habitats, allowing species to move and maintain gene flow

8 / 40

What term describes the variety of genetic information within a species?

Genetic Diversity

Ecosystem Diversity

Species Diversity

9 / 40

Which factor contributes to the loss of genetic diversity in a population?

Large population size

Small population size

Rapid reproduction

10 / 40

What is the purpose of captive breeding programs in conservation?

To create new hybrid species

To breed and raise endangered species in controlled environments

To provide pets for private ownership

11 / 40

How does biodiversity contribute to the stability of ecosystems?

Biodiversity has no impact on ecosystem stability

Ecosystems with fewer species are more stable

More diverse ecosystems are better able to withstand disturbances

12 / 40

What is the purpose of biodiversity hotspots?

Locations for agriculture expansion

Areas with low biodiversity

Areas with high levels of species endemism and conservation importance

13 / 40

What is the term for the variety of ecosystems on Earth?

Landscape Diversity

Ecosystem Diversity

Biome Diversity

14 / 40

What is the primary cause of the decline in amphibian populations worldwide?

Habitat loss and degradation

Climate change

Overhunting

15 / 40

What is the main threat to the survival of many primates in the wild?

Overhunting for sport

Habitat loss due to deforestation

Predation by larger mammals

16 / 40

What is the term for the variety of different plant and animal species in a given area?

Habitat Diversity

Species Diversity

Ecosystem Diversity

17 / 40

How does biodiversity contribute to cultural and recreational value?

Only natural landscapes have recreational value

Biodiversity has no cultural value

Diverse ecosystems provide opportunities for aesthetic enjoyment and cultural practices

18 / 40

What is the importance of biodiversity in providing ecosystem services?

Biodiversity contributes to essential services like pollination, water purification, and climate regulation

Biodiversity only affects aesthetics in ecosystems

Biodiversity has no impact on ecosystem services

19 / 40

What is the term for species that are found only in specific regions and nowhere else in the world?

Indicator species

Endemic species

Invasive species

20 / 40

What is the Convention on Biological Diversity (CBD)?

A domestic law for protecting endangered species

A treaty for climate change mitigation

An international treaty to promote conservation and sustainable use of biodiversity

21 / 40

Which of the following is a measure of biodiversity that considers the number of different species and their abundance in a given area?

Simpson Diversity Index

Species Richness

Shannon Diversity Index

22 / 40

What is the IUCN Red List?

A list of species categorized by their risk of extinction

A list of invasive species

A list of protected areas around the world

23 / 40

What is the term for the number of different species in a particular area?

Species Abundance

Species Evenness

Species Richness

24 / 40

What is the main function of a wildlife corridor?

Connect fragmented habitats to facilitate species movement

Isolate populations to prevent interbreeding

Provide a space for recreational activities

25 / 40

Which biome is characterized by low temperatures, permafrost, and a short growing season?

Rainforest

Tundra

Desert

26 / 40

Which of the following is an example of an invasive species?

Endangered species in a protected area

Zebra mussels in North American waterways

Native wildflowers in a meadow

27 / 40

What is the primary factor influencing the distribution of terrestrial biomes?

Soil composition

Climate, particularly temperature and precipitation

Human activities

28 / 40

What is the primary cause of the current global biodiversity crisis?

Human activities, such as habitat destruction and pollution

Predator-prey relationships

Natural climate fluctuations

29 / 40

Which term refers to the variety of different ecosystems in a particular area?

Landscape Diversity

Habitat Diversity

Biome Diversity

30 / 40

What is the main threat to the Amazon rainforest's biodiversity?

Excessive rainfall

Deforestation for agriculture and logging

Lack of water resources

31 / 40

What is the term for the disappearance of a species from its natural habitat?

Extinction

Extermination

32 / 40

What is the importance of biodiversity in medicine?

Biodiversity has no connection to medicine

Medicine is solely based on synthetic chemicals

Many medicines are derived from plants and other organisms

33 / 40

Which biome is characterized by grasses, scattered trees, and a distinct lack of tall trees?

Savanna

Taiga

Chaparral

34 / 40

What is the term for the gradual change in the composition of species in a given area over time?

Biotic interchange

Ecological disturbance

Ecological succession

35 / 40

What is the role of keystone species in an ecosystem?

They are only found in tropical ecosystems

They are rare and endangered species

They have a disproportionately large impact on the community structure

36 / 40

What is the term for the interconnected network of all the planet's ecosystems?

Biosphere

Lithosphere

Hydrosphere

37 / 40

How does biodiversity contribute to ecosystem resilience?

Diverse ecosystems are more adaptable to environmental changes

Ecosystems with fewer species are more resilient

Biodiversity has no impact on ecosystem resilience

38 / 40

What is the main goal of habitat restoration projects?

To create artificial habitats for specific species

To return ecosystems to their natural state and enhance biodiversity

To eliminate all non-native species

39 / 40

What is the purpose of a gene bank or seed bank?

To conserve genetic diversity of plants for future use

To store only seeds of commercially valuable plants

To promote the growth of genetically modified crops

40 / 40

What is the term for the total variety of all living organisms on Earth?

Biological Diversity

Genetic Diversity

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adminJune 10, 2024

0 25 2 minutes read