Previous Year Papers NEET Biology Class 12 – Biodiversity and Conservation

Biodiversity and Conservation is a crucial chapter of NEET Biology Class 12 that explains the variety of life, its ecological and economic importance, threats, and methods for conservation. Mastery of this chapter is essential for answering both theoretical and application-based NEET questions.

NEET previous year papers frequently include questions on types of biodiversity, biodiversity hotspots, endangered species, and strategies for in situ and ex situ conservation. Practicing PYQs helps students strengthen understanding of biodiversity and conservation. Studentbro.in provides exam-focused material for effective preparation.

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Biodiversity – NEET PYQ Focus

• Definition – Variety of life at genetic, species, and ecosystem levels.

• Levels of Biodiversity:

  • Genetic Diversity – Variations within a species.

  • Species Diversity – Number and abundance of species.

  • Ecosystem Diversity – Variety of habitats and ecological processes.

• Importance – Ecological balance, resources for food, medicine, and industry.

NEET questions often test levels, importance, and examples of biodiversity.

Threats to Biodiversity – Important NEET Concepts

• Habitat Loss and Fragmentation – Deforestation, urbanization.

• Overexploitation – Hunting, fishing, and resource overuse.

• Pollution – Air, water, and soil pollution affecting species survival.

• Invasive Species – Non-native species competing with native species.

• Climate Change – Altered temperature and rainfall patterns impacting ecosystems.

Previous year papers may ask causes of biodiversity loss and examples of threats.

Biodiversity Hotspots – Key Concepts

• Definition – Regions rich in species diversity but under threat.

• India’s Hotspots – Himalaya, Indo-Burma, Sundalands, Western Ghats, Nicobar Islands.

• Global Hotspots – Amazon Rainforest, Congo Basin, Madagascar.

NEET PYQs often test names, locations, and significance of hotspots.

Conservation Strategies – NEET PYQ Focus

• In Situ Conservation – Protecting species in their natural habitat.

  • Examples: National Parks, Wildlife Sanctuaries, Biosphere Reserves.

• Ex Situ Conservation – Protecting species outside their natural habitat.

  • Examples: Zoos, Botanical Gardens, Seed Banks, Tissue Culture.

• Community Participation – Awareness programs, eco-tourism, sustainable use.

Previous year papers may include methods of conservation and examples.

Endangered and Threatened Species – Important Concepts

• Endangered Species – At high risk of extinction (e.g., Tiger, Asiatic Lion).

• Threatened Species – Vulnerable or rare species needing protection.

• Red Data Book – Lists endangered and threatened species.

NEET questions often test examples, definitions, and protection measures.

Importance of Previous Year Papers for NEET Biology

Practicing previous year papers helps students identify frequently asked topics, reinforce conceptual understanding, and improve speed. PYQs for Biodiversity and Conservation focus on types of biodiversity, threats, hotspots, endangered species, and conservation strategies.

Conclusion

Previous Year Papers of NEET Biology Class 12 Biodiversity and Conservation are essential for mastering the concepts of species diversity, ecosystem variety, threats to biodiversity, and conservation methods. This chapter requires clear understanding of biodiversity levels, ecological importance, and strategies for protecting species and habitats.

Regular practice of PYQs helps students enhance conceptual clarity, analytical skills, and confidence in NEET. Studentbro.in provides structured, reliable, and exam-focused content to help NEET aspirants succeed.