Download CBSE Class 12 Chapter -14 Biology Ecosystems Notes 2024-25 in PDF

Hello, Students. Are you preparing for the Class 12 CBSE Board Exam? If you are training for the NEET medical entrance exam and want to become a doctor but are not getting any study material for class biology subjects. In this article, we will provide complete insight into Class 12 Chapter-14 Ecosystems Notes in PDF format. These Ecosystems Notes help you crack 300+ marks in the NEET Biology Segment.

From an academic perspective, students are advised to read this article thoroughly to know more about the Revision notes, Exam Patterns, marking schemes, MCQs, Mock Tests, Hand Written Notes, sample papers, Important Questions, Syllabus, and other helpful class 12 Biology Ecosystems study material. And wait, do you know all of these PDFs are entirely free? Ya, you are listening correctly.

Class 12 Chapter-14: Biology Ecosystems

An ecosystem, a term often used in biology, is a community of plants and animals interacting in a given area and non-living environments. The non-living environments include weather, earth, sun, soil, climate and atmosphere. CBSE Class 12 Ecosystems Notes contains all the tricks and tips to help students answer quicker and better understand the concept.


Before discussing the Class 12 Ecosystems Notes, let us check the CBSE Class 12 Summary; below, we have mentioned the complete CBSE Class 12 Summary.


BoardCBSE (Central Board of Secondary Education)
Chapter NameEcosystems
Class 12 Study MaterialsClick Here
Class 12 Free E-BookClick Here
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Class 12 Biology Syllabus 2024-25

Biology is the study of life and living organisms. The primary way of introducing biology in the school curriculum is to help students learn more about the human body parts, names, functions, importance, and many more. As you all know, the CBSE has already released the Class 12 Biology Syllabus for the 2024-25 academic year; we have the syllabus in PDF format. Let’s have a look.

NOTE:- Do you want to know the deduced syllabus due to COVID-19 (officially released) and more information about the Class 12 Biology Syllabus? Click Here

Class 12 Biology Exam Pattern

In this section, we have mentioned the Class 12 Biology Exam Pattern. Students can check the Class 12 Biology Exam Pattern for the academic year 2024.

UnitTitleNo. of PeriodsMarks
VIIGenetics and Evolution4018
VIIIBiology and Human Welfare3010
IXBiotechnology and its Applications3014
XEcology and Environment3014

CBSE Class 12 Biology Question Paper Pattern 2024

The biology paper will be 70 marks and 3 hours in duration. Students can have a look at the paper pattern below.

SectionNo. of QuestionsMarks per Question
A141 Mark Each
2Case-Based Questions
B92 Marks Each
C53 Marks Each
D35 Marks Each

Class 12 Ecosystems Marking Scheme

Students trying to make a career in the medical field, like pharmacy, dental, BAMS, MBBS, etc., must remember that they have to score excellent marks in their CBSE class 12 board examination. The marking scheme is the proper distribution of marks according to the Units or Chapters. In addition, it will show students the importance of Class 12 Ecosystems and the total number of questions asked from this chapter.

NOTE: To know more information about the Class 12 Biology Marking Scheme, Click Here

Download Ecosystems Notes in PDF

As we know, the students spend a lot of time online to find the downloadable format of the Class 12 Biology Chapter 14 Ecosystems note. Through this PDF, you will see the best study notes for the Ecosystems and get toppers’ recommended study material for NEET free of cost. In addition, students can refer to these notes to score excellently in their board examinations.

You know that Earth is perhaps the only planet in the solar system that supports life. The portion of the earth which sustains life is called the biosphere. The biosphere is vast and can not be studied as a single en. It is divided into many distinct functional units called an ecosystem. In this lesson, you will learn the structure and functions of the ecosystem.
After completing this lesson, you will be able to:
> Explain the concept of the ecosystem;
> Recognize the two primary components of the ecosystem;
> Describe ecosystem components by giving an example of a pond;
> List a few natural and human-modified ecosystems;
> Explain energy flow through the food chain;
> Differentiate between the various optronic levels- producers, consumers and decomposers;
In the previous lesson, you learned that in nature, several communities of organisms live together and interact with each other and their physical environment as an ecological unit, which we call an ecosystem. The term ‘ecosystem’ was coined by TA.G Ansley in 1935. An ecosystem is a functional unit of nature encompassing complex interaction

Ecosystems MCQ

Multiple choice, objective response, or MCQ is an accurate assessment in which respondents are asked to select only correct answers from the options offered as a list. We provide Biology MCQs for Class 12 Chapter-wise with answers in PDF downloads prepared based on the examination’s excellent score. So students can solve Class 12 Biology Ecosystems MCQs pdf to know their preparation level.

ParticularsDownload Here
Ecosystems MCQClick Here

Ecosystems Important Questions

We provide Biology Important Questions for Class 12 Chapter-wise with answers in pdf downloads prepared base for the examination’s great score. So students can solve the Class 12 Biology Ecosystems Important Questions pdf to know their preparation level.

ParticularsDownload Here
Ecosystems Important QuestionsClick Here

Ecosystems Mock Test for Class 12

Below, we have mentioned the CBSE Class 12 Ecosystems Biology Mock Test. In addition, students have checked the complete Chapter 16 Biology Ecosystems Mock test in pdf download for the final examination’s excellent score.

ParticularsDownload Here
Ecosystems Mock Test-1Click Here
Ecosystems Mock Test-2Click Here

Class 12 Biology Ecosystems Handwritten Notes

CBSE Class 12 Ecosystems Biology Hand Written Notes. Students have checked the complete Chapter 16 Biology Ecosystems handwritten notes n in pdf download for the final examination’s great score.

ParticularsDownload Here
Ecosystems Hand Written NotesClick Here

Class 12 Ecosystems Revision Notes

CBSE Class 12 Ecosystems Biology Revision Notes. Students have checked the complete Chapter 16 Biology Environmental Issues Revision Notes in pdf download for the final examination’s great score.

ParticularsDownload Here
Ecosystems Revision NotesClick Here

Class 12 Biology Sample Paper

Class 12 Biology Sample Papers for the board exam 2024-25 have been released by the Central Board of Secondary Education (CBSE). Also, the marking scheme and answer key for each paper is available. Students must Download the complete Class 12 Biology Sample Papers in PDF for the final examination’s excellent score. You can download the Last 6th Year Sample Paper 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

Class 12 Biology Sample PaperDownload Here
Biology Sample Paper (2020-21)Click Here
Biology Sample Paper (2019-20)Click Here
Biology Sample Paper (2018-19)Click Here
Biology Sample Paper (2017-18)Click Here
Biology Sample Paper (2016-17)Click Here
Biology Sample Paper (2015-16)Click Here

NOTE:- To know more information about the Class 12 Biology Sample Paper Click Here

Frequently Asked Questions (FAQ)

Q. What is an ecosystem and example?

A. An ecosystem is a community of living and non-living things that work together – it consists of abiotic (soil, water, air) and biotic parts (flora, fauna). An ecosystem can be as large as a desert or as small as a tree. The significant parts of an ecosystem are water, water temperature, plants, animals, air, light and soil.

Q. What are the four types of ecosystems?

A. The four ecosystem types are artificial, terrestrial, lentic, and logic. Ecosystems are parts of biomes, climatic systems of life and organisms. The biome’s ecosystems have living and nonliving environmental factors known as biotic and abiotic.

Q. Is class 12 biology difficult?

Per the feedback of the students who appeared for the Biology paper today, the difficulty level of the CBSE Class 12 Biology exam 2024 was average. Students shared that the questions were from the syllabus, and the paper was easy.

Q. Is Edufever study material free?

A. CBSE Study Materials – Access All Resources for Free!

Q. Does Edufever provide study material?

A. We at Edufever provide CBSE boards with Study Materials to assist you in preparing for your upcoming exam. Studying this helps you understand the exam pattern set by the CBSE board’s study material this year.

Q. Should I make Biology notes?

A. You must write your notes keeping in mind the essential concepts of the syllabus that could be asked in the exam. So don’t keep on writing whatever you are learning. Instead, write short notes that make sense.

Q. Are there any changes in the CBSE Class 12 Biology Syllabus for 2024-25?

A. According to the latest updates, there is no update on decreasing the CBSE 12 Biology Syllabus for 2024-25.

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About Shivam

Shivam Kumar, a B.Sc in Agriculture graduate, is a passionate author with a flair for content writing and a penchant for educational blogs. With prior experience as a CBSE Content Curator, Shivam blends his expertise in agriculture with his talent for crafting engaging content. His dedication to learning and sharing knowledge shines through in his work, making him a standout figure in both the agricultural and educational spheres.

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