Biodiversity, Conservation and Environmental Issues
Maharashtra Board · Class 12 · Biology
Summary of Biodiversity, Conservation and Environmental Issues for Maharashtra Board Class 12 Biology. Key concepts, important points, and chapter overview.
Interactive on Super Tutor
Studying Biodiversity, Conservation and Environmental Issues? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.
1,000+ Class 12 students started this chapter today
Overview
This chapter explores the rich diversity of life on Earth, examining biodiversity at genetic, species, and ecosystem levels. It covers patterns of biodiversity distribution, current scenarios, threats to biodiversity, conservation strategies, and major environmental issues affecting our planet. Unde
Key Concepts
Biodiversity is the variety of life
Biodiversity is the variety of life on Earth including differences in genes, species, and ecosystems. It exists at three main levels: (1) Genetic dive
Biodiversity shows specific distribution patterns
Biodiversity shows specific distribution patterns: (1) Latitudinal gradient - species richness decreases from equator to poles due to stable tropical
Four major causes of biodiversity loss
Four major causes of biodiversity loss: (1) Habitat loss and fragmentation - conversion of natural habitats for human use; (2) Over-exploitation - exc
Two main approaches
Two main approaches: (1) In-situ conservation - protecting species in their natural habitats through national parks (90 in India), wildlife sanctuarie
Air pollution involves particulate matter (PM2
Air pollution involves particulate matter (PM2.5, dust, smoke) and gaseous pollutants (CO2, CO, SO2, NOx). Control technologies include: Electrostatic
Learning Objectives
- Understand the concept and levels of biodiversity (genetic, species, ecosystem)
- Analyze patterns of biodiversity including latitudinal and altitudinal gradients
- Evaluate the current status of biodiversity in India and globally
- Identify major causes of biodiversity loss including the 'Evil Quartet'
- Compare in-situ and ex-situ conservation strategies
Frequently Asked Questions
What are the important topics in Biodiversity, Conservation and Environmental Issues for Maharashtra Board Class 12 Biology?
How to score full marks in Biodiversity, Conservation and Environmental Issues — Maharashtra Board Class 12 Biology?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Biodiversity, Conservation and Environmental Issues
Important Questions
Practice with board exam-style questions
Syllabus
What topics to cover
Revision Notes
Key points for last-minute revision
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Formula Sheet
All formulas in one place
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually
For serious students
Get the full Biodiversity, Conservation and Environmental Issues chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Maharashtra Board Class 12 Biology.