The world of plants and animals is fascinating. Since you have opted for Biology in Class 11, you are probably quite fascinated by the various kinds of life on Earth. Well, the Class 11 Biology NCERT book is crafted to amplify your fascination and curiosity. However, if you go through the Class 11th biology NCERT book, you will find out that the syllabus is quite enormous. To understand the concepts properly, you can go through the tutorials in Aakash Live and iTutor app.
While curiosity can give you a good start, you will need a well-crafted plan to tackle such a huge syllabus. To make an effective plan, you should go through the summaries and download PDF solutions to the chapters of the Class 11 Biology NCERT book. To make it easier for you, here are the summaries of all the chapters in the Class 11 Biology NCERT book:
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The first chapter will introduce the students with the diverse world of living organisms and living processes. It will teach you the three domains of life, the need for a standardized taxonomy and systematics for a living organism, binomial nomenclature, and the tools required for the study of zoological parks, botanical gardens, etc.
Chapter 2 will trace the history of the many attempts that were made to classify living organisms into different kingdoms. It will also teach you about the classification of the different kingdoms and the unique characteristics that influenced such a classification.
In this chapter, students will learn about the broad classification of the plant kingdom and the different characteristics of the various living organisms like Algae, Pteridophyta, Angiospermae, Gymnospermae and Bryophyta.
Chapter 4 deals with the fundamental properties of different animals like their structure and form. It also talks about the classification of animals and the salient features of each group.
In this chapter, students will learn about the diverse forms of life on Earth and also analyse their structural form through a magnifying lens. This chapter will provide details into the structure of higher plants and make students understand the modifications that each of these plants have gone through to adapt to their environment.
Chapter 6 will dive into the external morphology of plants as well as the internal structure of plants and their different functions. It talks about the different organs of higher plants like leaf, stem, root, fruit, etc.
Both unicellular and multicellular organisms exist in the Animal Kingdom. In this chapter, the morphology of both simple and complex organisms (like human beings) are discussed.
You are aware that cell is the basic unit of life. Chapter 8 talks about cell theory and discusses the different structures and functions of cell organelles. It also provides details about Golgi bodies, ribosomes, microbodies, cilia, flagella, etc.
In the chapter ‘Biomolecules’, you will be acquainted with the elemental analysis of the chemical constituents of living cells in animals, plants, and microbes. This chapter will also link with chemistry as you find out the structure and function of proteins and the roles of carbohydrates, lipids, enzymes, etc.
This chapter will dive into the growth and reproduction of a cell as well as provide details to the processes of mitosis and meiosis.
How does water, gases and nutrients get transported in plants? This question is answered in Chapter 11. It discusses the concepts of active transport, plasmolysis, osmosis, as well as other plant processes like transpiration, mass flow hypothesis, etc.
What is the role of micronutrients and macronutrients in plants? Chapter 12 discusses different concepts of minerals in plants, deficiency symptoms observed in plants and also introduces the idea of hydroponics.
You are already aware of the process of photosynthesis in plants. Chapter 13 elaborates on the process of photosynthesis and gives you a detailed insight into the pigments involved in photosynthesis. It also explains photophosphorylation, the chemiosmotic hypothesis and the factors that can affect photosynthesis.
In junior classes, you have come across the process of respiration in plants. In this chapter, you will take a more detailed look into the mechanism of exchange of gases which includes the process of glycolysis, anaerobic fermentation, how ATP molecules are generated, etc.
In the previous classes, you have learned about the germination of seed and the phases of plant growth. This chapter will introduce you with more complex topics like the different growth regulators such as cytokinin, ABA, ethylene, auxin, etc. It also talks about seed dormancy, photoperiodism, and vernalization.
How do we digest food and absorb the required nutrients from them? Chapter 16 will take us on a journey down our digestive tract and help us understand the role of digestive enzymes and gastrointestinal hormones. It will also talk about the absorption and assimilation of proteins, carbohydrates, fats and other nutrients. This chapter will also explain the different digestive disorders like vomiting, diarrhoea, jaundice, etc.
Chapter 17 discusses our respiratory system. It talks about how the exchange of gases takes place as well as transportation of gases, regulation of respiration, respiratory volume, etc. It will also explain the different respiratory disorders like emphysema, asthma, and occupational respiratory disorders.
This chapter describes the composition of blood and talks about the blood groups and the coagulation of blood. It will discuss how the circulatory system of the body works and the different disorders of the circulatory system like heart failure, angina pectoris, etc.
Chapter 19 talks about the excretory system of the human body and also, the different modes of excretion like ureotelism, uricotelism, etc. The chapter helps students understand the function of kidneys, urine formation, and disorders like renal failure, renal calculi, etc.
What are the different kinds of movements in a living organism? This chapter enters in the world of muscles. It talks about the skeletal and muscular system and discuss the several disorders like tetany, arthritis, gout, etc.
Chapter 21 talks about the central nervous system of the body. It elaborates on generation and conduction of nerve impulses, sensory perception, reflex action, etc. It also provides details into the elementary structure of the sense organs like ear and eye.
The final chapter in the Class 11 Biology NCERT book discusses, in detail, the different glands and hormones of our body and how they work. It talks about the endocrine system and the role of hormones as messengers and regulators. It also explains the different disorders like cretinism, goitre, diabetes, Addison’s disease, etc.
At first, the Class 11 Biology NCERT book may seem frightening. But if you take the help of these summaries, you can easily craft a good plan to tackle all the chapters of the Class 11 Biology NCERT book. You can even opt for the Class 11 Biology NCERT PDF format of the book. Share these summaries with your friends and try to go for a group-study to tackle all these chapters. You can even team up with your friends and read the soft copy of NCERT books PDF.