Test Your Knowledge: MCQ on Biodiversity

Sachita Kumari | Updated: Mar 9, 2023 0:02 IST

MCQ on Biodiversity: Biodiversity, short for biological diversity, refers to the variety of life on Earth, including the diversity of species, genetic diversity, and ecosystem diversity. It is a critical aspect of our planet’s health and well-being, and it plays a vital role in sustaining human life. Biodiversity loss, which is occurring at an alarming rate, threatens not only wildlife but also the functioning of ecosystems and the services they provide to humans. The loss of biodiversity is caused by a range of human activities, such as habitat destruction, overexploitation of natural resources, pollution, and climate change. MCQ on biodiversity are a useful tool for assessing and testing knowledge of this important topic. In this article, we will explore some MCQ on biodiversity to help deepen our understanding of this critical issue.

MCQ on Biodiversity: Attempt MCQ Now!

Q1 Which of the following statements best describes biodiversity?

  1. The number of different species in an ecosystem
  2. The genetic variation within a species
  3. The variety of ecosystems in a region
  4. All of the above

Answer: d. All of the above

Q2 Which of the following is not a type of biodiversity?

  1. Species diversity
  2. Ecosystem diversity
  3. Climate diversity
  4. Genetic diversity

Answer: c. Climate diversity

Q3 Which of the following is not a factor contributing to the loss of biodiversity?

  1. Habitat destruction
  2. Overexploitation of natural resources
  3. Climate stability
  4. Pollution

Answer: c. Climate stability

Q4 What is the primary cause of habitat destruction?

  1. Natural disasters
  2. Pollution
  3. Climate change
  4. Human activities

Answer: d. Human activities

Q5 Which of the following is not a consequence of biodiversity loss?

  1. Decreased ecosystem resilience
  2. Reduced food security
  3. Increased global warming
  4. Increased susceptibility to disease outbreaks

Answer: c. Increased global warming

Q6 What is an endangered species?

  1. A species that is no longer found in the wild
  2. A species that is at risk of extinction
  3. A species that is hunted for its valuable parts
  4. A species that is used in scientific research

Answer: b. A species that is at risk of extinction

Q7 What is a keystone species?

  1. A species that is used as a building material
  2. A species that plays a critical role in maintaining the structure and function of an ecosystem
  3. A species that is hunted for sport
  4. A species that is commonly found in zoos

Answer: b. A species that plays a critical role in maintaining the structure and function of an ecosystem

Q8 Which of the following is an example of a threatened species?

  1. Bald eagle
  2. Common pigeon
  3. House mouse
  4. Norway rat

Answer: a. Bald eagle

Q9 Which of the following is an example of an invasive species?

  1. Panda
  2. Lion
  3. Zebra mussel
  4. Dolphin

Answer: c. Zebra mussel

Q10 What is the main goal of conservation biology?

  1. To protect and preserve biodiversity
  2. To increase the economic value of natural resources
  3. To promote the use of renewable energy sources
  4. To reduce greenhouse gas emissions

Answer: a. To protect and preserve biodiversity

Q11 What is the Convention on Biological Diversity?

  1. An international agreement to conserve and sustainably use biodiversity
  2. An organization that promotes the use of genetic engineering in agriculture
  3. A group of scientists working to discover new species
  4. An international treaty to limit carbon emissions

Answer: a. An international agreement to conserve and sustainably use biodiversity

Q12 Which of the following is an example of a non-governmental organization (NGO) focused on biodiversity conservation?

  1. United Nations
  2. World Wildlife Fund (WWF)
  3. European Union (EU)
  4. World Health Organization (WHO)

Answer: b. World Wildlife Fund (WWF)

Q13 Which of the following is not a strategy for conserving biodiversity?

  1. Habitat restoration
  2. Captive breeding programs
  3. Clear-cutting forests
  4. Conservation education programs

Answer: c. Clear-cutting forests

Q14 What is the purpose of biodiversity hotspots?

  1. To identify areas of high species diversity that require conservation efforts
  2. To develop new technologies for preserving biodiversity
  3. To create areas for recreational activities
  4. To provide habitat for invasive species

Answer: a. To identify areas of high species diversity that require conservation efforts

Q15 What is biodiversity?

  1. a) The study of biological organisms
  2. b) The variety of life on Earth
  3. c) The study of the physical world
  4. d) The study of the universe

Answer: b) The variety of life on Earth

Q16 Which of the following is not a component of biodiversity?

  1. a) Ecosystem diversity
  2. b) Genetic diversity
  3. c) Cultural diversity
  4. d) Species diversity

Answer: c) Cultural diversity

Q17 What is the primary cause of biodiversity loss?

  1. a) Natural disasters
  2. b) Habitat destruction
  3. c) Climate change
  4. d) Overexploitation of natural resources

Answer: b) Habitat destruction

Q18 Which of the following is not an ecosystem?

  1. a) Coral reef
  2. b) Forest
  3. c) Desert
  4. d) Dog breed

Answer: d) Dog breed

Q19 Which ecosystem is characterized by extremely cold temperatures, a lack of sunlight, and low biodiversity?

  1. a) Tundra
  2. b) Rainforest
  3. c) Grassland
  4. d) Coral reef

Answer: a) Tundra

Q20 How many known species are there on Earth?

  1. a) 100,000
  2. b) 1 million
  3. c) 10 million
  4. d) Over 1 billion

Answer: d) Over 1 billion

Q21 Which of the following is an example of a keystone species?

  1. a) Zebra
  2. b) Elephant
  3. c) Bee
  4. d) Wolf

Answer: d) Wolf

Q25 Which of the following is not a type of biodiversity?

  1. a) Economic
  2. b) Chemical
  3. c) Ecological
  4. d) Cultural

Answer: b) Chemical

Q26 What is the term for the total amount of living matter in a given area?

  1. a) Population density
  2. b) Biomass
  3. c) Net primary productivity
  4. d) Ecological footprint

Answer: b) Biomass

Q27 Which of the following is a major threat to marine biodiversity?

  1. a) Acid rain
  2. b) Overfishing
  3. c) Deforestation
  4. d) Desertification

Answer: b) Overfishing

Q28 What is the name of the international treaty that aims to conserve biodiversity and ensure its sustainable use?

  1. a) The Kyoto Protocol
  2. b) The Montreal Protocol
  3. c) The Paris Agreement
  4. d) The Convention on Biological Diversity

Answer: d) The Convention on Biological Diversity

Q29 Which of the following is an example of genetic diversity?

  1. a) The number of different species in an ecosystem
  2. b) The variety of genes within a single species
  3. c) The different types of ecosystems in a region
  4. d) The variety of physical traits within a single organism

Answer: b) The variety of genes within a single species

Q30 Which biome is characterized by hot temperatures, little rainfall, and sparse vegetation?

  1. a) Rainforest
  2. b) Tundra
  3. c) Grassland
  4. d) Desert

Answer: d) Desert

Also, Attempt mcq on air pollution here!

In conclusion, biodiversity is a critical aspect of our planet’s health and well-being, and its loss is occurring at an alarming rate due to human activities. MCQ on biodiversity can be a helpful tool for testing and deepening our understanding of this important topic. By increasing our knowledge of biodiversity and the threats it faces, we can work towards preserving and protecting the variety of life on Earth. It is essential to remember that biodiversity is not just about protecting wildlife but also about maintaining the functioning of ecosystems and the services they provide to humans. Through education and action, we can take steps towards creating a sustainable future for our planet and all its inhabitants.

FAQs related to MCQ On Biodiversity

Q.1 What is biodiversity?
Ans.1 Biodiversity refers to the variety of life on Earth, including the number of species, genetic diversity within species, and the variety of ecosystems and ecological processes.”
Q.2 Why is biodiversity important?
Ans.2 Biodiversity is important for many reasons, including maintaining ecosystem services, providing resources for human use, and contributing to the cultural and aesthetic values of society.
Q.3 What are some threats to biodiversity?
Ans.3 There are many threats to biodiversity, including habitat loss, climate change, pollution, overexploitation of resources, invasive species, and disease.
Q.4 What is the difference between species richness and species diversity?
Ans.4 Species richness refers to the number of species in a given area or ecosystem, while species diversity takes into account both the number of species and their relative abundance.
Q.5 What is the difference between an endangered species and a threatened species?
Ans.5 An endangered species is at high risk of extinction, while a threatened species is at risk of becoming endangered in the near future.

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