Class 11  Biology  Online Learning.

Read & Practice Class 11th Biology : Read, Practice and Mock Tests for Biology important for CBSE,NEET,NEET ,KVPY and more competitive exams with Biology as important subject and Other Board Exams with more then 38,000+ learning videos, Unlimited Practice Questions, Mock Tests, NCERT Solutions, Previous Year Solved Papers and performance analysis Biology, as a compulsory subject of science stream has great importance in competitive exams so it's essential you study smart from the very beginning. Apart from competitive exams, understanding concepts and applying them in given situations will help you improve your learning and solving ability, which will come in handy for the future. Biology can help boost your aggregate percentage, and that's always a benefit.

Learn,Practice,Test and Analyse Biology with best reading notes and videos,Online Practice Papers and Mock Tests.

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NCERT Solutions for Class 11 Biology

Read Notes and Videos,Practice,Mock Tests for Class 11 Biology

Practice questions and NCERT Solutions for Class 11

Biology is one of the vital subjects in Science stream and it is also of very much importance while preparing for various competitive exams and hence it is essential to prepare it from the very beginning. Understanding the concepts and applying them in the provided situation can improvise your learning as well as knowledge ability.

Biology is a very important resource for students of CBSE Class 11.Biology is an interesting subject for the enhancement of analytical and problem solving skills.

Unfortunately, many students find it difficult because of no interest or lack of better knowledge to comprehend. Biology is really a difficult subject but very interesting when comprehended well and practice with easy to hard problems and students find it difficult because most of them do not have their basics clear for the subject. Lack of sufficient practice tool is a major reason why solving Mathematical problems seems a tough nut to crack.

School Connect Online students are not only solving and understanding questions from Biology from NCERT or Syllabus but also they are solving questions to practice Biology Olympiad this helps students to become expert

To help you with this, we have learning notes and videos, Practice questions for NCERT, NEET, with Solutions for Class 11 Biology.

Practice Solutions for Class 11 Biology

NCERT solutions of Class 11 Biology includes solutions of all questions and more to help and support practice with more relevant and important questions. These solutions have been provided and prepared by the most experienced teachers and important resources. A very simple approach has been followed while solving the questions and designing the NCERT Solutions for Class 11 Biology. Students will find it extremely easy to understand the problems and how to go about solving them.

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Unlike other subjects, rote learning cannot help you to excel in Biology,as it requires more Learning approach and critical ability to think and solve. Even for other subjects, rote learning is not recommended as it won’t be of much use after a point of time. Biology, from the very beginning, needs one to think logically to enhance analytical ability. But just because the subject needs logical thinking and analytical skills does not mean it is tough. Biology needs practice and with practice, anything can be perfected, even the way you think and analyze.
So, it is of utmost importance to take Biology seriously right from your early school life. Getting your basics clear at this point will make it easier for you to handle difficult concepts as you grow older.

Biology of Class 11 standard plays a vital role in strengthening the fundamentals of the subject with comprehensive analysis. It is at this point, Biology goes beyond simple addition, subtraction, multiplication, and division and move onto more complex concepts to practice and understand .So, one must prepare for this subject in a serious manner and get all their doubts clear,with maximum practice more and more to master the problem solving skill. Otherwise, they won’t be able to cope with the subject later, especially if they are planning to take up Science in their Higher Secondary level.

Biology Syllabus for Class 11 CBSE

Below is the CBSE class 11 Biology Syllabus. It is very important to understand the syllabus before you start preparing for the exam.

Unit-I Diversity of Living Organisms 23 Periods

Chapter-1: The Living World

What is living? Biodiversity; Need for classification; three domains of life; taxonomy and systematics; concept of species and taxonomical hierarchy; binomial nomenclature; tools for study of taxonomymuseums, zoological parks, herbaria, botanical gardens.

Chapter-2: Biological Classification

Five kingdom classification; Salient features and classification of Monera, Protista and Fungi into major groups: Lichens, Viruses and Viroids.

Chapter-3: Plant Kingdom

Salient features and classification of plants into major groups – Algae, Bryophyta, Pteridophyta, Gymnospermae and Angiospermae (three to five salient and distinguishing features and at least two examples of each category); Angiosperms – classification upto class, characteristic features and examples.

Chapter-4: Animal Kingdom

Salient features and classification of animals non-chordates up to phyla level and chordates up to class level (three to five salient features and at least two examples of each category).
(No live animals or specimen should be displayed.)

Unit-II Structural Organisation in Animals and Plants

Chapter-5: Morphology of Flowering Plants

Morphology and modifications: Internal Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seed (to be dealt along with the relevant experiment of the Practical Syllabus).

Chapter-6: Anatomy of Flowering Plants

Anatomy and functions of different tissues.

Chapter-7: Structural Organisation in Animals

Animal tissues; Morphology, anatomy and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect (cockroach). (a brief account only)

Unit-III Cell: Structure and Function

Chapter-8: Cell-The Unit of Life

Cell theory and cell as the basic unit of life: Structure of prokaryotic and eukaryotic cells; Plant cell and animal cell; cell envelope; cell membrane, cell wall; cell organelles – structure and function; endomembrane system, endoplasmic reticulum, golgi bodies, lysosomes, vacuoles; mitochondria, ribosomes, plastids, microbodies; cytoskeleton, cilia, flagella, centrioles (ultrastructure and function); nucleus.

Chapter-9: Biomolecules

Chemical constituents of living cells: biomolecules, structure and function of proteins, carbohydrates, lipids, nucleic acids; Enzymes- types, properties, enzyme action.

Chapter-10: Cell Cycle and Cell Division

Cell cycle, mitosis, meiosis and their significance

Unit-IV Plant Physiology 40 Periods

Chapter-11: Transport in Plants

Movement of water, gases and nutrients; cell to cell transport, diffusion, facilitated diffusion, active transport; plant-water relations, imbibition, water potential, osmosis, plasmolysis; long distance transport of water – Absorption, apoplast, symplast, transpiration pull, root pressure and guttation; transpiration, opening and closing of stomata; Uptake and translocation of mineral nutrients – Transport of food, phloem transport, massflow hypothesis.

Chapter-11: Mineral Nutrition

Essential minerals, macro- and micronutrients and their role; deficiency symptoms; mineral toxicity; elementary idea of hydroponics as a method to study mineral nutrition; nitrogen metabolism, nitrogen cycle, biological nitrogen fixation.

Chapter-13: Photosynthesis in Higher Plants

Photosynthesis as a means of autotrophic nutrition; site of photosynthesis, pigments involved in photosynthesis (elementary idea); photochemical and biosynthetic phases of photosynthesis; cyclic and non-cyclic photophosphorylation; chemiosmotic hypothesis; photorespiration; C3 and C4 pathways; factors affecting photosynthesis.

Chapter-14: Respiration in Plants

Exchange of gases; cellular respiration – glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic); energy relations – number of ATP molecules generated; amphibolic pathways; respiratory quotient.

Chapter-15: Plant – Growth and Development

Seed germination; phases of plant growth and plant growth rate; conditions of growth; differentiation, dedifferentiation and redifferentiation; sequence of developmental processes in a plant cell; growth regulators – auxin, gibberellin, cytokinin, ethylene, ABA; seed dormancy; vernalisation; photoperiodism.

Unit-V Human Physiology

Chapter-16: Digestion and Absorption

Alimentary canal and digestive glands, role of digestive enzymes and gastrointestinal hormones; Peristalsis, digestion, absorption and assimilation of proteins, carbohydrates and fats; calorific values of proteins, carbohydrates and fats; egestion; nutritional and digestive disorders – PEM, indigestion, constipation, vomiting, jaundice, diarrhoea.

Chapter-17: Breathing and Exchange of Gases

Respiratory organs in animals (recall only); Respiratory system in humans; mechanism of breathing and its regulation in humans – exchange of gases, transport of gases and regulation of respiration, respiratory volume; disorders related to respiration – asthma, emphysema, occupational respiratory disorders.

Chapter-18: Body Fluids and Circulation

Composition of blood, blood groups, coagulation of blood; composition of lymph and its function; human circulatory system – Structure of human heart and blood vessels; cardiac cycle, cardiac output, ECG; double circulation; regulation of cardiac activity; disorders of circulatory system – hypertension, coronary artery disease, angina pectoris, heart failure.

Chapter-19: Excretory Products and Their Elimination

Modes of excretion – ammonotelism, ureotelism, uricotelism; human excretory system – structure and function; urine formation, osmoregulation; regulation of kidney function – renin – angiotensin, atrial natriuretic factor, ADH and diabetes insipidus; role of other organs in excretion; disorders – uraemia, renal failure, renal calculi, nephritis; dialysis and artificial kidney, kidney transplant.

Chapter-20: Locomotion and Movement

Types of movement – ciliary, flagellar, muscular; skeletal muscle- contractile proteins and muscle contraction; skeletal system and its functions; joints; disorders of muscular and skeletal system – myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout.

Chapter-21: Neural Control and Coordination

Neuron and nerves; Nervous system in humans – central nervous system; peripheral nervous system and visceral nervous system; generation and conduction of nerve impulse; reflex action; sensory perception; sense organs; elementary structure and functions of eye and ear

Chapter-22: Chemical Coordination and Integration

Endocrine glands and hormones; human endocrine system – hypothalamus, pituitary, pineal, thyroid, parathyroid, adrenal, pancreas, gonads; mechanism of hormone action (elementary idea); role of hormones as messengers and regulators, hypo – and hyperactivity and related disorders; dwarfism, acromegaly, cretinism, goiter, exophthalmic goiter, diabetes, Addison’s disease.

Note: Diseases related to all the human physiological systems to be taught in brief.

CBSE class 11 Biology New Syllabus 

Time Allowed: Three hours
Max. Marks: 30

Evaluations Scheme

 

One Major Experiment Part A (Experiment No- 1,3,7,8)

5 Marks

One Minor Experiment Part A (Experiment No- 6,9,10,11,11,13)

4 Marks

Slide Preparation Part A (Experiment No- 2,4,5)

5 Marks

Spotting Part B

7 Marks

Practical Record+Viva Voce

4 Marks

Project Record + Viva Voce

5 Marks

Total

30 Marks

A: List of Experiments

  1. Study and description of three locally available common flowering plants, one from each of the families Solanaceae, Fabacceae and Liliaceae (Poaceae, Asteraceae or Brassicaceae can be substituted in case of particular geographical location) including dissection and display of floral whorls, anther and ovary to show number of chambers (floral formulae and floral diagrams). Types of root (Tap and adventitious); stem (herbaceous and woody); leaf (arrangement, shape, venation, simple and compound).
  2. Preparation and study of T.S. of dicot and monocot roots and stems (primary).
  3. Study of osmosis by potato osmometer.
  4. Study of plasmolysis in epidermal peels (e.g. Rhoeo leaves).
  5. Study of distribution of stomata in the upper and lower surface of leaves.
  6. Comparative study of the rates of transpiration in the upper and lower surface of leaves.
  7. Test for the presence of sugar, starch, proteins and fats. Detection in suitable plant and animal materials.
  8. Separation of plant pigments through paper chromatography.
  9. Study of the rate of respiration in flower buds/leaf tissue and germinating seeds.
  10. Test for presence of urea in urine.
  11. Test for presence of sugar in urine.
  12. Test for presence of albumin in urine.
  13. Test for presence of bile salts in urine.

B. Study/observation of the following (spotting)

  1. Study of the parts of a compound microscope.
  2. Study of the specimens/slides/models and identification with reasons – Bacteria, Oscillatoria, Spirogyra, Rhizopus, mushroom, yeast, liverwort, moss, fern, pine, one monocotyledonous plant, one dicotyledonous plant and one lichen.
  3. Study of virtual specimens/slides/models and identification with reasons – Amoeba, Hydra, liverfluke, Ascaris, leech, earthworm, prawn, silkworm, honeybee, snail, starfish, shark, rohu, frog, lizard, pigeon and rabbit.
  4. Study of tissues and diversity in shapes and sizes of plant and animal cells (palisade cells, guard cells, parenchyma, collenchyma, sclerenchyma, xylem, phloem, squamous epithelium, muscle fibers and mammalian blood smear) through temporary/permanent slides.
  5. Study of mitosis in onion root tip cells and animals cells (grasshopper) from permanent slides.
  6. Study of different modifications in roots, stems and leaves.
  7. Study and identification of different types of inflorescence (cymose and racemose).
  8. Study of imbibition in seeds/raisins.
  9. Observation and comments on the experimental set up for showing:
    1. Anaerobic respiration
    2. Phototropism
    3. Effect of apical bud removal
    4. Suction due to transpiration
  10. Study of human skeleton and different types of joints with the help of virtual images/models only.
  11. Study of external morphology of cockroach through virtual images/models.

Tips and Tricks to learn Biology

  • Attempt as many conceptual questions on those derivations as you can. This will give you a better understanding of the subject.
  •  To build up good concepts always focus on diagrams . First read the theory and then try to relate it with the diagram . This makes a visual impression on your mind that would be easier to remember.
  • While studying u can also use a whiteboard and be attached to yourself . Imagine yourself teaching somebody this makes the concepts clearer.
  • You should read all the topics with a diagram. 3D diagrams are great to make any complex topic easier to understand. Visuals are more understandable and easily absorbed by the brain
  • Learn through mnemonics.(in case of eg)
  • Look for new questions on similar context from previous year’s question papers, sample papers and other model test papers.
  • Always time yourself while solving sample papers as it will help you better manage time during the exam.
  • Solve as many class 11 sample papers you can, but try to solve at least 3-4 completely. Practice past year question papers & model test papers.
  • Time management is a must; take out time for re-creation as well along side preparation.
  • Try and finish all the topics and questions in the NCERT books.CBSE board questions are majorly based on the question in this book only.

Science Olympiad

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Other National and International Level Olympiads

AI Olympiad

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International Science Olympiad  

KVPY

Kishore Vaigyanik Protsahan Yojana

 

Important Links for reference

CBSE Syllabus For Class 9 Artificial Intelligence  

Class 6 Geography (Social Science) Syllabus  

JEE Main Chemistry Syllabus – Check detailed Syllabus here  

CBSE Class 12 Chemistry Deleted Syllabus Portion For 2020-21

Light, Shadows and Reflection Class 6 Notes Science Chapter 11

CBSE Class 10 Social Science Syllabus For Academic Year 2020-2021  

NEET Syllabus 2020 – Complete Physics, Chemistry & Biology  

JEE Main Syllabus 2021 – Physics, Chemistry, Mathematics  

JEE Advanced Syllabus For Physics, Chemistry, Maths In Detail  

CBSE Class 12 Syllabus 2020-21 Pdf Download  

 

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