JeevVigyan. NCERT/CBSE class 11 Biology book JeevVigyan . students of 11th calss can get the NCERT books from this site. Like · Reply · Mark as spam · 6 ·. Previous «NCERT Class XI Biology: Chapter 20 - Locomotion and Movement NCERT Books Online for Class 11 NCERT Books Online Free NCERT CBSE. download pdf Hindi, cbse board books, ncert Biology books, ncert books in hindi, ncert books in english, free ncert books, download ncert books in pdf, pdf.
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NCERT Biology Book download for Class 11, 12 in English and Hindi NCERT books are issued by CBSE every year detailing the curriculum. A Text Book of Philosophy. Class: XI. Lang: English. Sub: Philosophy. book. Animal Nutrition and Reproduction. Class: PM - XI. Lang: English. Sub: Biology. NCERT Class 11 Biology textbook download in PDF formats are given here for CBSE students to help them prepare more efficiently. Register at BYJU'S to .
By solving these, you can understand the topic in relatively easily. In this chapter, students will learn about the diversified world of life forms and their living processes. The concepts of Biodiversity to see a large variety of living organisms and the need for classification will be explained.
Through this chapter, the student will have the means to talk to about the three domains of life and shall also understand the need for standardized taxonomy and systematics for a living organism.
NCERT books for class 11
Further, the concept of species and taxonomic hierarchy will be described, and binomial nomenclature will be explained in detail. Before the chapter ends, the student will understand the tools for the study of taxonomy-museums, zoological parks, herbaria, botanical gardens, etc. There are 11 questions in the exercise. This chapter will talk about how attempts have been made to classify living organisms and later, students will understand how different criteria were being used instinctively in the classification of five kingdoms.
Further, the chapter will let students understand the considerations which have influenced the classification system and what are the salient features of the kingdoms. The chapter continues to explain the various details of biological and how other characteristics have influenced the classification of different kingdoms of Monera, Protista, and Fungi which further lead to the major classification of Lichens, Viruses, and Viroids into different groups.
There are 12 questions in exercise to perform. In this chapter, students will learn about the salient features and a broad classification of plants kingdom and how they get classified over time and become the members of major the proposed system.
The chapter will continue to talk about information related to different characteristics which can be found in a variety of living organisms like - Algae, Bryophyta, Pteridophyta, Gymnospermae and Angiospermae and how they are highly variable from one another. You will find the three to five salient and distinguishing features associated with every major group and further explanation comprised of at least two examples of each category. Before the chapter ends, the students will learn about the life cycle of Angiosperms — and how the classification of them based on their class, characteristic features and examples have been done.
There are 12 questions in total. Through this chapter, the students will come to know about the fundamental features of different animals, their forms and structure. Further, you will about the study the salient features of the systematic classification and how important it was in order to describe the emerging new species. Further, students will get to know about the classification of animals and the basis of the classification from nonchordates up to phyla level and from chordates up to class level.
With each classification, there are three to five salient features and at least two examples of each category are provided for a better understanding of the students. The chapter comprises of 15 questions in total. In this chapter, the student will get to know about the diverse forms of life that can be found on earth and how through naked eyes or using the magnifying lenses, these structural forms are analyzed and observed.
The living phenomena have been recorded in detail in this chapter. The students will be fascinated by the wide range of structure of higher plants and will understand the large diversity of external structural or also called morphology. Students will be successful in understanding the characteristics and how the modifications at the tissue level have been seen in the plants in order to adapt to the environment. There are 15 questions in chapter to attempt.
In this chapter, the students will understand the similarities and variations found at the structural level of the living organisms at a larger level. The external morphology is introduced in detail.
The study of the internal structure of plants called anatomy will be introduced for the students so that they can understand the different organized organs and their associated functions in flowering plants. Different organs of higher plants like root, stem, leaf, inflorescence, flower, fruit and seed, etc.
There are 12 questions in total in the chapter. In this chapter, the large variety of organisms of the Animal kingdom at both multicellular and unicellular level will be discussed for the better understanding. The student will get to know about the organized manner of the animal tissues and their basic functions in both unicellular and multicellular. The morphology of simple organism and the complex organisms like humans will be discussed.
Students will be surprised to know about the anatomy and functions of tissues which are organized in a manner to form organ system and how these different systems perform various functions like digestive, circulatory, respiratory, nervous and reproductive, etc.
A brief account of an insect cockroach will be provided to the students. There are 14 questions in total. In this chapter, students will get to know about the detailed description of the diversified form and appearance of all life forms.
The chapter will talk about the cell theory and the inanimate details about the cell which is the basic unit of life in all living organisms. The students will get to know in detail about the structure of prokaryotic and eukaryotic cells. The fundamental details about the plant cell and animal cell will make the students understand the difference. Further, in the chapter, you will get to know more about cell envelope, cell membrane, cell wall, etc.
The structure and function of the cell organelles will be discussed. Other important parts of the cell-like endomembrane system, endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles, mitochondria, ribosomes, plastids, microbodies, cytoskeleton, cilia, flagella, centrioles ultrastructure and function ; nucleus, nuclear membrane, chromatin, nucleolus etc.
In this chapter, the student will get to know about the elemental analysis of the chemical constituents of living cells in plants, animals and microbes. Further, in the chapter, you will learn about the biomolecules found in living tissue.
Students will get to know the exciting aspects of chemistry related to the structure and function of proteins found in living organisms. Before the chapter ends, you will learn about the roles played by the carbohydrates, lipids, nucleic acids, enzymes, etc. The types and properties of the enzyme along with their related identifiable actions will throw some light for better understanding. There are 15 questions in total.
In this chapter, you will get to know how a life form in a single cell starts. Further, the chapter will talk about the growth and reproduction carried out by the cell. These characteristics are indeed in the living organism.
The cycles of growth and division of the cell shall be discussed in the chapter. The students will get to know about the mitosis and meiosis in details and will help students in understanding their significance in the life of an organism.
There are 16 questions in total. The chapter will describe the Transportation mechanism in plants and how the movement of water, gases, and nutrients occurs in plants. Some light will be thrown on the process involving the cell to cell transportation and how the process of Diffusion facilitates. Students will understand the active transport. The perspective of plant-water relations and further details about Imbibition, water potential, etc.
Some of the basic functions like osmosis, plasmolysis will help students in better understanding. The long-distance transportation of water and other processed like absorption, apoplast, symplast, transpiration pull, root pressure, and guttation, etc.
Other indeed processes of plants like transpiration, opening and closing of stomata, uptake, and translocation of mineral nutrients-Transport of food, phloem transport, mass flow hypothesis and diffusion of gases will be discussed. This chapter will talk about the essential minerals, the role played by macro- and micronutrients the deficiency symptoms found in plants and the level of toxicity caused by some mineral.
The students will get to know about the elementary idea of hydroponics which is used as a method to study mineral nutrition. Further, in the chapter, the students will read about the metabolism process involving nitrogen, a brief account on the nitrogen cycle and the related biological nitrogen fixation carried out by microbes in plants. This chapter contains 10 questions in total. In this chapter, the students will know about the process of photosynthesis which is the mean of autotrophic nutrition in plants.
It further discusses the site where photosynthesis takes place, the elementary idea about the essential pigments involved in photosynthesis. The chapter further discusses the photochemical and biosynthetic phases which happen during photosynthesis.
The student will get to know about the cyclic and non-cyclic photophosphorylation, the chemiosmotic hypothesis, etc.
They will understand the photorespiration, the C3 and C4 pathways and how some factors affect the photosynthesis. This chapter contains 9 questions in total. In this chapter, you will understand the mechanism of exchange of gases. The understanding of the cellular respiration will be provided along with a detail description of further processes like glycolysis, and anaerobic fermentation.
The chapter further talks about the involved TCA cycle and how the aerobic electron transport system is carried out. The student will understand the relation between energy and how the number of ATP molecules generated. They will understand the details involved amphibolic pathways and respiratory quotient for further understanding. In this chapter, the students will understand the process involved in the germination of seed and what are the phases of plant growth and some details about the plant growth rate.
Further, the conditions of growth will be discussed. The details about the differentiation, dedifferentiation, and re-differentiation shall be discussed in the chapter and how the sequence of developmental processes in a plant cell is significant. The information about the growth regulators like auxin, gibberellin, cytokinin, ethylene, ABA, etc. The chapter further accounts about the seed dormancy, the vernalization and the photoperiodism for some better understanding. The chapter contains 11 questions.
In this chapter, students will learn about the alimentary canal and digestive glands and what is the role of digestive enzymes and gastrointestinal hormones in the digestion process. Further, the information can be taken into the account about the peristalsis, digestion, absorption, and assimilation of proteins. The chapter also talks about the carbohydrates and fats, the calorific values of proteins, carbohydrates, and fats shall be discussed in detail in the chapter.
The student will understand the process of egestion, information about nutritional and digestive disorders like PEM, indigestion, constipation, vomiting, jaundice, diarrhea, etc. The chapter contains 15 questions. A brief recall about the respiratory organs in animals will be provided in the chapter in the beginning and further, the respiratory system in humans will be discussed.
The chapter will talk about the mechanism of breathing and what is its regulation in humans like an exchange of gases, transport of gases and regulation of respiration, respiratory volume, etc.
The chapter also talks about the disorders which are related to respiration like asthma, emphysema, occupational respiratory disorders. The chapter will throw light on the composition of blood, details about the blood groups and also about the coagulation of blood. The composition of lymph and its function shall be discussed and how the human circulatory system works.
The Structure of the human heart and blood vessels as well as the cardiac cycle, cardiac output, ECG, etc. The concept of double circulation, the regulation of cardiac activity and the disorders of the circulatory system like hypertension, coronary artery disease, angina pectoris, heart failure will provide a better understanding. There is a total of 14 questions. In this chapter, different modes of excretion process like ammonotelism, ureotelism, uricotelism, etc.
The human excretory system and the details related to the structure and function, the urine formation, osmoregulation, etc. The regulation of kidney function and details about renin-angiotensin, atrial natriuretic factor, ADH and diabetes insipidus, etc.
The role of other organs in excretion and the disorders like uremia, renal failure, renal calculi, nephritis; dialysis and artificial kidney will be discussed further.
There is a total of 12 questions. In this chapter, you will get to know about different types of movement like ciliary, flagellar, muscular, etc. The details about skeletal muscle-contractile proteins and muscle contraction shall be provided to the students.
Class 11: Biology
For more information, details about the skeletal system and its functions shall be provided. The information related to joints and the disorders of a muscular and skeletal system like myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout, etc. The chapter contains 10 questions in total.
The information about the neuron and nerves is provided to the students in this chapter where they will further get to know about the nervous system in humans and the necessary details related to the central nervous system. For more, the information about the peripheral nervous system and the visceral nervous system shall be discussed. The process involved in generation and conduction of nerve impulse, reflex action, sensory perception, etc.
The sense organs and the elementary structure and functions of eye and ear etc. The chapter contains 12 questions. In this chapter, you will get to know about the endocrine glands and hormones in detail and some deep insights shall be provided about the human endocrine system and various parts like hypothalamus, pituitary, pineal, thyroid, parathyroid, adrenal, pancreas, gonads, etc.
An elementary idea about the mechanism of hormone action shall be discussed. The role of hormones as messengers and regulators will be discussed in details and the hypo - and hyperactivity and related disorders like dwarfism, acromegaly, cretinism, goiter, exophthalmic goiter, diabetes, Addison's disease, etc.
There is a total of 9 questions in the chapter.
All In One Biology CBSE Class 11th Book
They learn about the morphology of the plant in this chapter. They come to know of the root, the regions of the root, its modifications, etc. Class 11 Biology Chapter 6 Anatomy of Flowering Plants This chapter introduces the student to the internal structure and functional organisation of plants.
Plant tissue can be broadly categorised into meristematic and permanent. Assimilation of food and storage, transportation of water and minerals, etc are the main functions of the plant tissue. Class 11 Biology Chapter 7 Structural Organisation in Animals The students have already learnt about a multitude of organisms, both unicellular and multicellular.
Unlike in unicellular organisms, multicellular organisms have cells organised into tissues that carry out these functions in a well-organised manner. The student studies about the morphology and anatomy of Earthworms, Cockroaches and Frogs in detail. In this chapter, the students are introduced to this crucial concept.
They are introduced to Prokaryotic and Eukaryotic cells. The students learn about the different membrane-bound and non-membrane bound organelles in a cell. They learn about the structure and function of them too with the help of clear diagrams. The students also learn about the contributions made by various biologists in this field over the years. Class 11 Biology Chapter 9 Biomolecules In this chapter, the student learns about biomolecules, their functions and structure and why they are important.
They will learn about metabolites, biomacromolecules like proteins and enzymes. Understanding them is integral to understanding various other concepts in biology. In this chapter, the student is introduced to the very important concepts of cell cycle and cell division.
They learn about the difference between meiosis and meitosis, and the significance of each.
They learn about the phases in the cell cycyle, including Interphase, Prophase, Metaphase, Anaphase, Telophase and cytokinesis. This chapter concludes Unit 3, Cell: Structure and functions. Class 11 Biology Chapter 11 Transport in Plants Plants, unlike animals, do not have motor functions and hence ust rely upon the soil for nutrition and on their roots for taking up the same. This has led to the evolution of a fascinating transportation system in plants involving Xylem and Phloem. In this chapter, the student learns about the various aspects of the same, including Imbibing, Plasmolysis, Osmosis, Active transport and transpiration.
They learn about what categorises a mineral as essential, and about the means of transportation and mechanism of absorption of the same. They learn about the deficiency symptoms indicating the lack of said minerals too, for a holistic view on the topic.
They are also briefly introduced to nitrogen fixation and its significance. Class 11 Biology Chapter 13 Photosynthesis in Higher Plants Students are already aware of the basic process of photosynthesis, but fail to apppreciate its complexity due to how its presented.
In this chapter, they are introduced to the mechanism in such a beautiful way as to make them fall in love with the subject.
They come to know of cyclic and non-cyclic photo-phosphorylation. Class 11 Biology Chapter 14 Respiration in Plants Photosynthesis and Respiration are the two main functions performed by plants.
In this chapter, the student is introduced to the latter. They learn about phases of plant growth, growth regulators, differentiation, dedifferentiation, redifferentiation, Vernalisation, seed dormancy, etc.
They also come to know of the function played by plant hormones in plant growth and development. This chapter concludes Unit 4, Plant physiology. Class 11 Biology Chapter 16 Digestion and Absorption In this unit, the student begins to explore human physiology and learn to understand how their own bodies function. This chapter focuses primarily on Digestion and absorption of the digested food. Digestive system disorders are also briefly discussed. The chapter also includes the various food components essential in our daily diet, and expounds on the problems caused by the deficiency of them.
Class 11 Biology Chapter 17 Breathing and Exchange of Gases This chapter introduces the student to the concept of breathing and explains how it is different from respiration.Sabbarwal Image courtesy- www.
Class 11 Biology Chapter 6 Anatomy of Flowering Plants This chapter introduces the student to the internal structure and functional organisation of plants. Disaster Management in Hindi Class: The role of other organs in excretion and the disorders like uremia, renal failure, renal calculi, nephritis; dialysis and artificial kidney will be discussed further. Reference Book Solutions. This chapter covers the major topics of development and growth of plants in a very clear manner for students to get the hang of this concept.
Class 11: Biology
The information related to joints and the disorders of a muscular and skeletal system like myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout, etc. Legal Studies Text Book Class: You can also opt for one-to-one classes with teachers at your preferred time and topic. In fact, there are many Biology Books for class 11th in the market.
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