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4 Days Study Plan: Ecosystem | Biology Class 12 - NEET PDF Download

Let's explore the Biology chapter called "Ecosystem" and how it's important for the NEET exam. By studying the past years NEET questions (from 2016 to 2024), we can see that this chapter is really important in the exam. If you want to score well in NEET, you need to understand the concepts in this chapter.

Meeting Your Timetable Goals with EduRev!


The study plan for this chapter offers you a schedule to manage your time effectively for learning and practicing the chapter thoroughly. By following this plan diligently, you'll be well-prepared to tackle even the most challenging questions asked in NEET related to each chapter. EduRev makes your preparation easier and saves you time by providing comprehensive resources for each topic. These resources include chapter notes, videos, and tests for every topic and chapter.

To access these valuable resources, including documents, videos, and tests, simply click here.

Chapter Overview


This chapter covers various essential topics related to ecosystems and their functioning. Here are the topics covered in "Ecosystem":
  1. Ecosystem: Introduction & Types
  2. Ecosystems & Ecological Pyramids
  3. Energy Flow, Trophic Level & Food Chain
  4. Biogeochemical Cycles
  5. Ecosystem Service
  6. Components: Producers & Consumers

Let's create a study plan to efficiently cover these topics over a span of 3 days, with an additional day dedicated solely to revision.

Recommended Tip: Review the past year's questions related to this chapter. This will provide you with insights into the types of questions typically included in the exam and the level of detail you need to study.  Getting a sneak peek ahead of time can be a game-changer!

Day 1: Ecosystem: Introduction & Types

What to cover:

Study Tips:

  • Start by reading the NCERT textbook for this topic.
  • Take notes on key concepts and terms.
  • After reading, attempt questions from the NCERT textbook.
  • Utilize the mindmap for visual aids.

Day 2: Energy Flow, Trophic Level & Food Chain

What to cover:

Study Tips:

Day 3: Biogeochemical Cycles & Ecosystem Service

What to cover:

  • Biogeochemical Cycles (Carbon, Nitrogen, Phosphorus, etc.)
  • Importance of Biogeochemical Cycles
  • Ecosystem Services and their Significance

Study Tips:

  • Explore mnemonics to remember the key elements in biogeochemical cycles.
  • Revisit the NCERT textbook and take notes on the significance of ecosystem services.
  • Use PPT resources for a concise overview of the chapter.

Day 4: Revision Day

On this day, dedicate your time to revising all the topics you've covered throughout the week. Review your notes, flashcards, and attempt practice questions again. Ensure that you understand the key concepts thoroughly.

In the NEET exam, you'll encounter questions like the ones mentioned in below links. The best way to review and get better at the topics is to solve the questions. If you find a question tricky, it's a sign that you might not fully grasp that topic. In that case, it's a good idea to revisit the topic and study it again and solve more and more questions related to it.

Studying "Ecosystem" is essential for NEET, and EduRev provides valuable resources such as mindmaps, diagrams, solutions, mnemonics, and practice tests. Follow this study plan diligently, and you'll be well-prepared for this crucial chapter. For more NEET-related resources, visit the NEET Exam page.

Here are all the important links and topic links for the "Ecosystem" chapter:
Important Links:

Topic Links:

Use these links to access specific resources and topics as you study "Ecosystem" for your Class 12 Biology and NEET exam preparations.
Happy learning!





The document 4 Days Study Plan: Ecosystem | Biology Class 12 - NEET is a part of the NEET Course Biology Class 12.
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FAQs on 4 Days Study Plan: Ecosystem - Biology Class 12 - NEET

1. What is an ecosystem?
An ecosystem is a community of living organisms interacting with each other and their physical environment. It includes both biotic (living) and abiotic (non-living) components, such as plants, animals, soil, water, and air.
2. What are the different types of ecosystems?
There are several types of ecosystems, including terrestrial ecosystems (such as forests, grasslands, deserts), freshwater ecosystems (such as lakes, rivers, wetlands), marine ecosystems (such as oceans, coral reefs), and urban ecosystems (found in cities and human-settled areas).
3. What is energy flow in an ecosystem?
Energy flow in an ecosystem refers to the transfer of energy from one organism to another through food chains and food webs. The primary source of energy in an ecosystem is the sun, which is captured by plants through photosynthesis. This energy is then passed on to herbivores, carnivores, and decomposers as they consume each other.
4. What are trophic levels in an ecosystem?
Trophic levels in an ecosystem refer to the different levels of feeding positions in a food chain or food web. The primary producers (plants) occupy the first trophic level, followed by herbivores (primary consumers) at the second trophic level, carnivores (secondary consumers) at the third trophic level, and so on. Each trophic level represents a transfer of energy and nutrients.
5. How do biogeochemical cycles contribute to ecosystem services?
Biogeochemical cycles, such as the carbon cycle, nitrogen cycle, and water cycle, are essential for maintaining the balance of nutrients and elements in an ecosystem. These cycles regulate the availability of nutrients for plants, which in turn support the growth of other organisms. The proper functioning of biogeochemical cycles is crucial for ecosystem services like nutrient cycling, water purification, climate regulation, and soil fertility.
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