BIOLOGIC
INSIGHTS
⚡ NEET 2025 ECOLOGY MASTERCLASS | NCERT BIOLOGY
BIODIVERSITY & CONSERVATION - Complete NEET Guide
15-Year NEET Trends Analysis + NCERT Based PYQs (2004-2024)
🌿 3 MUST-KNOW FACTS FOR NEET 2025
22
PYQs on Biodiversity Hotspots
100%
Red Data Book Qs from NCERT Biology
5x
More Sacred Groves Questions in Last 5 Years
🌍 BIODIVERSITY: TYPES & PATTERNS - NEET NCERT Highlights
| Type | Definition | NEET Example |
|---|---|---|
| Genetic | Variation within species | Human blood groups (NEET 2018) |
| Species | Variety of species in region | Amazon rainforest species (NEET 2020) |
| Ecosystem | Variety of ecosystems | Western Ghats ecosystems (NEET 2022) |
NEET 2025 Tip: Latitudinal gradient - Diversity ↑ from poles to tropics (Maximum in tropical rainforests) - Asked 7 times in last decade
💎 Why Biodiversity Matters for NEET
- Ecological: Oxygen production, soil formation (NEET 2016, 2019)
- Economic: Medicines (25% drugs plant-based), food, tourism
- Scientific: Gene pool for biotechnology research
- Aesthetic: Cultural & spiritual value (Sacred groves concept)
⚠️ Biodiversity Loss - NEET Focus Areas
- Habitat destruction (Main cause - 73% cases)
- Overexploitation (NEET 2017 - Passenger pigeon example)
- Invasive species (NEET 2021 - Nile perch in Lake Victoria)
- Climate change (Coral bleaching questions increasing)
🛡️ CONSERVATION METHODS - NEET NCERT Must-Know
In-situ (On-site) - NEET Priority
- National Parks (No human activity) - 104 in India
- Wildlife Sanctuaries (Limited human activity) - 553 in India
- Biosphere Reserves (3 zones) - 18 in India (NEET favorite)
Ex-situ (Off-site) - NEET Examples
- Zoological Parks - Conservation breeding
- Botanical Gardens - NBRI Lucknow (NEET 2020)
- Gene Banks - Svalbard Global Seed Vault
NEET Special: Sacred Groves - Traditional conservation (e.g., Khasi Hills, Western Ghats) - 3 questions in last 5 years
🔥 BIODIVERSITY HOTSPOTS - NEET Guaranteed Questions
NEET Must-Know Criteria:
- Must have ≥1500 endemic plant species (Norman Myers concept)
- Must have lost ≥70% of original habitat (NEET 2023 question)
Indian Hotspots for NEET:
- Western Ghats - 7,402 species (NEET favorite)
- Himalayas - 10,000 plant species
- Indo-Burma region - 13,500 plant species
Red Data Book - NEET Pattern:
- Documentation of threatened species by IUCN
- Categories: EX, EW, CR, EN, VU (NEET definitions)
- India has 132 CR species (NEET numerical)
📜 NEET PYQ TRENDS (2014-2024)
2023: Which is NOT a biodiversity hotspot in India?
Thar Desert (Correct Answer)
2021: Sacred groves are example of?
In-situ conservation (NCERT based)
2019: Red Data Book contains data of?
Endangered species (Direct NCERT line)
