Biodiversity MCQs with Answers

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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.

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

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

2 / 40

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

Habitat loss and degradation

Overhunting

Climate change

3 / 40

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

Biome Diversity

Landscape Diversity

Habitat Diversity

4 / 40

How does biodiversity contribute to cultural and recreational value?

Only natural landscapes have recreational value

Diverse ecosystems provide opportunities for aesthetic enjoyment and cultural practices

Biodiversity has no cultural value

5 / 40

What is biodiversity?

The variety of life in a given area

The number of species in a single ecosystem

The total biomass in an ecosystem

6 / 40

What is the role of pollinators in maintaining biodiversity?

They facilitate the reproduction of flowering plants

They compete with plants for resources

They are irrelevant to plant reproduction

7 / 40

What is the main threat to marine biodiversity?

Overfishing and habitat destruction

Climate change

Pollution

8 / 40

What is the role of corridors in promoting biodiversity conservation?

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

Isolate populations to prevent interbreeding

Provide recreational spaces for humans

9 / 40

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

Ecological disturbance

Biotic interchange

Ecological succession

10 / 40

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

Lack of water resources

Deforestation for agriculture and logging

Excessive rainfall

11 / 40

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

To promote the growth of genetically modified crops

To store only seeds of commercially valuable plants

To conserve genetic diversity of plants for future use

12 / 40

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

Extinction

Extermination

13 / 40

How does biodiversity contribute to the stability of ecosystems?

Ecosystems with fewer species are more stable

More diverse ecosystems are better able to withstand disturbances

Biodiversity has no impact on ecosystem stability

14 / 40

What is the purpose of captive breeding programs in conservation?

To provide pets for private ownership

To create new hybrid species

To breed and raise endangered species in controlled environments

15 / 40

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

Zebra mussels in North American waterways

Native wildflowers in a meadow

Endangered species in a protected area

16 / 40

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

Large population size

Rapid reproduction

Small population size

17 / 40

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

Desert

Tundra

Rainforest

18 / 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

19 / 40

How does biodiversity contribute to food security?

Biodiversity has no impact on food security

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

Monocultures are more secure for food production

20 / 40

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

Chaparral

Taiga

Savanna

21 / 40

What is the IUCN Red List?

A list of invasive species

A list of species categorized by their risk of extinction

A list of protected areas around the world

22 / 40

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

Biological Diversity

Genetic Diversity

23 / 40

What is the importance of biodiversity in medicine?

Medicine is solely based on synthetic chemicals

Biodiversity has no connection to medicine

Many medicines are derived from plants and other organisms

24 / 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

25 / 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

26 / 40

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

Human activities

Climate, particularly temperature and precipitation

Soil composition

27 / 40

What is the purpose of biodiversity hotspots?

Areas with low biodiversity

Locations for agriculture expansion

Areas with high levels of species endemism and conservation importance

28 / 40

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

Invasive species

Indicator species

Endemic species

29 / 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

30 / 40

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

Species Abundance

Species Evenness

Species Richness

31 / 40

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

Predator-prey relationships

Human activities, such as habitat destruction and pollution

Natural climate fluctuations

32 / 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

33 / 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

34 / 40

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

Habitat Diversity

Species Diversity

Ecosystem Diversity

35 / 40

What is the primary driver of coral reef decline globally?

Overfishing

Invasive species

Climate change and coral bleaching

36 / 40

What is the main goal of habitat restoration projects?

To eliminate all non-native species

To return ecosystems to their natural state and enhance biodiversity

To create artificial habitats for specific species

37 / 40

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

Ecosystem Diversity

Landscape Diversity

Biome Diversity

38 / 40

What is the importance of biodiversity in providing ecosystem services?

Biodiversity has no impact on ecosystem services

Biodiversity only affects aesthetics in ecosystems

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

39 / 40

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

Biosphere

Lithosphere

Hydrosphere

40 / 40

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

Genetic Diversity

Ecosystem Diversity

Species Diversity

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admin3 weeks ago

0 14 1 minute read