NCERT Books Free Download for Class 12 Biology Chapter 13 - Organisms and Populations

Biology, in the plus II level, is one of those subjects which require greater retention ability and high acceptance of the terminology used. All the chapters should be dealt with in such a way that at a later stage, there is much clarity on the topic and greater hold on the same. To ease the process of learning and retention, NCERT comes with detailed solutions of all the chapters along with illustrated diagrams for students to get a thorough knowledge on the same. 

Some of the important topics covered in the Class 12 Biology book are-

• Reproduction

• Genetics And Evolution

• Biology In Human Welfare

• Biotechnology

• Ecology

NCERT Solutions for Class 12 Chapter 13 that deals with Organisms and Population falls under the unit Ecology. It specifically deals with our environment and its organisms along with the abiotic factors like soil, temperature, water, and light and the adaptations or response of the organisms to the same. It is the detailed study of these key elements which lead to so much variation in the physical and chemical conditions of a living habitat. It tries to investigate the proportionality of the diverse environment with the living organisms and how the changes in nature can actually affect the population. Therefore, the key concepts available in the chapters are the organism and its environment along with the entire population system. Students can easily access NCERT Solutions to download the solutions of the topic. To get an idea of the important questions dealt under the topic, follow the below questions:

• How is diapause different from hibernation?

• If a marine fish is placed in a freshwater aquarium, will the fish be able to survive? Why or Why not?

• Define phenotypic adaptation. Give one example

• Most living organisms cannot survive at temperatures above 45C. How are some microbes able to live in habitats with temperatures exceeding 100c?

• If the population grows exponentially, doubles in size in 3 years, what is the intrinsic rate of the increase in population?

• Distinguish between the following

• Hibernation and Aestivation

• Ectotherms and Endotherms

Students can take a look at the above questions and while relating it with their chapters, can easily download the solutions. Access free NCERT Books for Class 12 Biology Chapter 13 - Organisms and Populations on Vedantu.com. Students can also download the NCERT Textbooks Solutions in PDF for Class 6 to 12 all subjects. Register for Biology tuition to clear your doubts and score more in your exams.

Download Class 12 Biology Chapter 13 NCERT Book for CBSE

Students can download it from Vedantu. On this page, Students can download Class 12 Biology Chapter-13 PDF Solutions of the Book or they can also access the official webpage of Vedantu and from the drop-down menu available, click on the subject concerned to get hold of the topic needed. 

Importance of NCERT Books

After thorough research, it has been seen that students from all streams of study have embraced NCERT books for their compact approach of discussing a topic and providing authentic solutions on the same. It helps students across the country in the following ways :

• Helps students to get aware of the pattern of writing answers.

• Makes the previous year questions much easier

• Opens up their mind and helps in evaluating a topic with much ease.

• They have a holistic knowledge of the topic given.

• Easily accessible pdfs which can be accessed even in offline mode and as per the requirements of students.

• Builds up confidence for future competitive exams and the pattern to be followed in the same.

The way in which a particular topic has divisions and subdivisions along with illustrated diagrams, helps a student grasp the content without any difficulty. The book is specifically prescribed for its lucid and crystal clear language which helps in the greater retention ability. The questions provided at the end of every chapter help in evaluating one’s progress and rework on those areas which need more practice. In this way, a student becomes aware of their weaker areas and can make necessary changes in their approach to comprehend the topic well. 

The easy downloadable texts and study material through Vedantu make the process less strenuous and much more exciting. Thus, keep accessing the website for regular updates on various topics and have a happy learning process!