Biodiversity MCQs with Answers

adminJune 10, 2024

0 16 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.

Biodiversity is a critical aspect of our natural world, encompassing the vast variety of life forms and ecosystems on Earth. It includes three main types of biodiversity: genetic diversity, species diversity, and ecosystem diversity. Ecosystem diversity refers to the variety of habitats, communities, and ecological processes within a given area, which is crucial for maintaining the balance of natural systems.

Biodiversity hotspots are regions with exceptionally high levels of endemic species and significant levels of habitat loss. These areas are a focal point for biodiversity conservation efforts because they harbor a wealth of unique organisms that are often threatened by human activities. Protecting these hotspots is vital for preserving global biodiversity and maintaining ecological stability.

The importance of biodiversity extends beyond mere species counts; it supports ecosystem services that are essential for human survival. These services include clean air and water, pollination of crops, and climate regulation. Conservation strategies aimed at safeguarding this biodiversity include establishing protected areas, restoring degraded habitats, and implementing sustainable practices to reduce human impact.

Biodiversity conservation efforts are essential for protecting the intricate web of life that supports our planet’s health. By understanding and preserving the various types of biodiversity, we ensure the resilience of ecosystems and the continuation of the many benefits they provide. Engaging in these conservation initiatives helps to maintain the rich tapestry of life that characterizes our natural world, safeguarding it for future generations.

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?

Species Richness

Shannon Diversity Index

Simpson Diversity Index

2 / 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

3 / 40

What is the role of corridors in promoting biodiversity conservation?

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

Provide recreational spaces for humans

Isolate populations to prevent interbreeding

4 / 40

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

Overhunting for sport

Predation by larger mammals

Habitat loss due to deforestation

5 / 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

6 / 40

What is the main threat to marine biodiversity?

Pollution

Overfishing and habitat destruction

Climate change

7 / 40

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

Biological Diversity

Genetic Diversity

8 / 40

What is the main function of a wildlife corridor?

Provide a space for recreational activities

Isolate populations to prevent interbreeding

Connect fragmented habitats to facilitate species movement

9 / 40

What is the Convention on Biological Diversity (CBD)?

An international treaty to promote conservation and sustainable use of biodiversity

A domestic law for protecting endangered species

A treaty for climate change mitigation

10 / 40

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

Ecosystem Diversity

Landscape Diversity

Biome Diversity

11 / 40

How does biodiversity contribute to ecosystem resilience?

Biodiversity has no impact on ecosystem resilience

Diverse ecosystems are more adaptable to environmental changes

Ecosystems with fewer species are more resilient

12 / 40

How does biodiversity contribute to cultural and recreational value?

Diverse ecosystems provide opportunities for aesthetic enjoyment and cultural practices

Biodiversity has no cultural value

Only natural landscapes have recreational value

13 / 40

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

To store only seeds of commercially valuable plants

To promote the growth of genetically modified crops

To conserve genetic diversity of plants for future use

14 / 40

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

Desert

Tundra

Rainforest

15 / 40

What is the main goal of habitat restoration projects?

To eliminate all non-native species

To create artificial habitats for specific species

To return ecosystems to their natural state and enhance biodiversity

16 / 40

What is biodiversity?

The number of species in a single ecosystem

The total biomass in an ecosystem

The variety of life in a given area

17 / 40

What is the importance of biodiversity in medicine?

Many medicines are derived from plants and other organisms

Medicine is solely based on synthetic chemicals

Biodiversity has no connection to medicine

18 / 40

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

Habitat loss and degradation

Overhunting

Climate change

19 / 40

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

Lack of water resources

Excessive rainfall

Deforestation for agriculture and logging

20 / 40

What is the role of keystone species in an ecosystem?

They are rare and endangered species

They are only found in tropical ecosystems

They have a disproportionately large impact on the community structure

21 / 40

What is the role of pollinators in maintaining biodiversity?

They compete with plants for resources

They are irrelevant to plant reproduction

They facilitate the reproduction of flowering plants

22 / 40

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

Ecological succession

Biotic interchange

Ecological disturbance

23 / 40

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

Endemic species

Indicator species

Invasive species

24 / 40

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

Biome Diversity

Habitat Diversity

Landscape Diversity

25 / 40

What is the importance of biodiversity in providing ecosystem services?

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

Biodiversity has no impact on ecosystem services

Biodiversity only affects aesthetics in ecosystems

26 / 40

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

Savanna

Chaparral

Taiga

27 / 40

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

Species Abundance

Species Richness

Species Evenness

28 / 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

29 / 40

What is the IUCN Red List?

A list of protected areas around the world

A list of species categorized by their risk of extinction

A list of invasive species

30 / 40

How does biodiversity contribute to climate regulation?

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

Only large-scale geological processes regulate climate

Biodiversity has no impact on climate regulation

31 / 40

What is the primary driver of coral reef decline globally?

Invasive species

Climate change and coral bleaching

Overfishing

32 / 40

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

Extinction

Extermination

Extinction

33 / 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

34 / 40

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

Native wildflowers in a meadow

Endangered species in a protected area

Zebra mussels in North American waterways

35 / 40

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

Habitat Diversity

Ecosystem Diversity

Species Diversity

36 / 40

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

Soil composition

Climate, particularly temperature and precipitation

Human activities

37 / 40

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

Lithosphere

Hydrosphere

Biosphere

38 / 40

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

Ecosystem Diversity

Genetic Diversity

Species Diversity

39 / 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

40 / 40

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

Small population size

Rapid reproduction

Large population size

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adminJune 10, 2024

0 16 2 minutes read