Biodiversity and conservation class 12 MCQ Question and Answer

Biodiversity and conservation class 12 chapter 15 MCQ Question and Answer

Biodiversity and conservation class 12 MCQ taken from NCERT Book these are very Importan MCQ Practice these MCQ And enhance your knowledge and take more practices

How to get more marks in MCQ
  1. Practice Regularly:
    • Practice solving MCQs regularly.
    • Use textbooks, practice papers, and online resources for diverse questions.
  2. Time Management:
    • Allocate a specific amount of time to each question.
    • Don’t spend too much time on a single question; move on and return if needed.
  3. Read Questions Carefully:
    • Read each question carefully and understand what is being asked.
    • Pay attention to details, qualifiers, and key terms.
  4. Elimination Technique:
    • If unsure, use the process of elimination.
    • Eliminate obviously incorrect options to improve your chances of selecting the correct one.
  5. Answer the Easy Ones First:
    • Start with questions you find easier.
    • This helps build confidence and saves time for challenging ones later.

Biodiversity and conservation class 12 MCQ

Question:1 What does biodiversity refer to?

  1. A) Variety of life on Earth
  2. B) Number of species in a specific area
  3. C) Genetic variation within species
  4. D) All of the above

Question:2 Which is the largest unit of biodiversity?

  1. A) Ecosystem diversity
  2. B) Species diversity
  3. C) Genetic diversity
  4. D) Population diversity

Question:3 What is the main cause of the loss of biodiversity?

  1. A) Climate change
  2. B) Habitat destruction
  3. C) Pollution
  4. D) Overhunting

Question:4 Which convention aims at conserving biodiversity globally?

  1. A) Kyoto Protocol
  2. B) Paris Agreement
  3. C) Convention on Biological Diversity (CBD)
  4. D) Ramsar Convention

Question:5 What is the purpose of the Red Data Book?

  1. A) To list endangered species
  2. B) To identify invasive species
  3. C) To record ecological hotspots
  4. D) To document extinct species

Question:6 Which is a hotspot of biodiversity in India?

  1. A) Western Ghats
  2. B) Thar Desert
  3. C) Indo-Gangetic Plain
  4. D) Deccan Plateau

Question:7 What is the primary goal of ex-situ conservation?

  1. A) Protecting species in their natural habitat
  2. B) Conserving species outside their natural habitat
  3. C) Promoting genetic diversity within a population
  4. D) Implementing sustainable resource management

Question:8 Which is an example of in-situ conservation?

  1. A) Seed bank
  2. B) Botanical garden
  3. C) National park
  4. D) Cryopreservation

Question:9 What is the main aim of the Biosphere Reserve program?

  1. A) Wildlife conservation
  2. B) Sustainable development
  3. C) Ecotourism promotion
  4. D) Carbon sequestration

Question:10 Which gas is primarily responsible for the greenhouse effect?

  1. A) Oxygen
  2. B) Carbon dioxide
  3. C) Nitrogen
  4. D) Methane

Question:11 What is the main threat to coral reefs?

  1. A) Overfishing
  2. B) Oil spills
  3. C) Coral bleaching
  4. D) Coastal development

Question:12 Which international organization works for the conservation of migratory species?

  1. A) IUCN
  2. B) WWF
  3. C) CMS
  4. D) Greenpeace

Question:13 What is the primary function of a gene bank?

  1. A) Wildlife rehabilitation
  2. B) Conserving plant genetic material
  3. C) Protecting endangered animals
  4. D) Studying ecosystems

Question:14 Which term refers to the variety of genes within a species?

  1. A) Ecosystem diversity
  2. B) Genetic diversity
  3. C) Species diversity
  4. D) Population diversity

Question:15 What is the purpose of a wildlife sanctuary?

  1. A) Captive breeding of animals
  2. B) Scientific research on ecosystems
  3. C) Protection of wild animals and their habitats
  4. D) Promoting tourism

Question:16 What does the term ‘endemism’ refer to in biodiversity?

  1. A) Presence of exotic species
  2. B) Presence of species in a specific region
  3. C) Global distribution of a species
  4. D) Extinction of species

Question:17 Which is an example of an exotic species in India?

  1. A) Bengal Tiger
  2. B) Peacock
  3. C) Eucalyptus tree
  4. D) Indian Elephant

Question:18 What is the main role of the National Biodiversity Authority (NBA) in India?

  1. A) Managing national parks
  2. B) Implementing wildlife protection laws
  3. C) Conserving plant genetic resources
  4. D) Promoting ecotourism

Question:19 Which factor contributes to habitat fragmentation?

  1. A) Afforestation
  2. B) Conservation corridors
  3. C) Urbanization
  4. D) Ecosystem restoration

Question:20 What is the primary purpose of a conservation reserve?

  1. A) Protecting endangered species
  2. B) Conducting scientific research
  3. C) Preserving landscapes and biodiversity
  4. D) Promoting sustainable agriculture

Question:21 Which term refers to the loss of a species from a particular area?

  1. A) Extinction
  2. B) Endemism
  3. C) Invasion
  4. D) Migration

Question:22 What is the primary cause of the decline in vulture populations in India?

  1. A) Climate change
  2. B) Habitat loss
  3. C) Use of diclofenac in livestock
  4. D) Poaching

Question:23 Which organization publishes the Red List of Threatened Species?

  1. A) WWF
  2. B) IUCN
  3. C) Greenpeace
  4. D) UNDP

Question:24 What is the main focus of the Ramsar Convention?

  1. A) Conservation of migratory species
  2. B) Protection of wetlands
  3. C) Sustainable forestry
  4. D) Marine biodiversity

Question:25 Which factor contributes to the loss of aquatic biodiversity?

  1. A) Coral bleaching
  2. B) Overfishing
  3. C) Deforestation
  4. D) Soil erosion

Question:26 What is the primary role of the International Whaling Commission (IWC)?

  1. A) Conservation of whales
  2. B) Regulation of international trade in wildlife
  3. C) Protection of migratory birds
  4. D) Preservation of marine habitats

Question:27 Which term refers to the introduction of harmful substances into the environment?

  1. A) Eutrophication
  2. B) Pollution
  3. C) Acidification
  4. D) Desertification

Question:28 What is the primary purpose of a seed bank?

  1. A) Conservation of plant genetic material
  2. B) Protection of endangered animals
  3. C) Wildlife rehabilitation
  4. D) Studying ecosystems

Question:29 Which term refers to the intentional release of a species into a new area?

  1. A) Invasion
  2. B) Migration
  3. C) Extinction
  4. D) Endemism

Question:30 What is the primary purpose of a gene bank?

  1. A) Wildlife rehabilitation
  2. B) Conserving plant genetic material
  3. C) Protecting endangered animals
  4. D) Studying ecosystems

MCQ Answers

Question NoAnswer Question NoAnswer

Read Also

  1. Chapter 1: Reproduction in Organisms class 12 MCQ
  2. Chapter 2: Sexual Reproduction Flowering plants class 12 MCQ
  3. Chapter 3: Human Reproduction class 12 MCQ
  4. Chapter 4: Reproductive Health class 12 MCQ
  5. Chapter 5: Principles of Inheritance and Variation class 12 MCQ
  6. Chapter 6: Class 12 biology molecular basis of inheritance MCQ


In conclusion, the study of Biodiversity and Conservation in Class 12 emphasizes the importance of preserving life’s variety. Understanding threats, conservation methods, and global initiatives is crucial for sustainable coexistence.

Leave a Comment