WBCHSE Class 11 Bio Syllabus: Detailed Overview Of Topics And Subtopics For Students

The West Bengal Council of Higher Secondary Education (WBCHSE) is the governing body responsible for the administration of higher secondary education (12th grade) in the state of West Bengal, India.

It conducts the West Bengal Higher Secondary Examination (WBCHSE) for students completing their higher secondary education and awards the West Bengal Higher Secondary Certificate (WBHSC) to successful candidates. The WBCHSE also provides guidance to higher secondary schools and colleges in West Bengal by advising them on how to conduct their curriculum and examinations in a fair, efficient, and consistent manner.

WBCHSE Class 11 Biology Syllabus

Science of lifeDefinition and concept of biodiversity
Taxonomy and SystematicsDefinition, Taxonomic hierarchy-(Linnaeus) with Example, Binomial nomenclature 
Structural Organisation in AnimalsTissues (Definition), Tissues in plants -Meristematic and Permanent ( Structure and function), Inflorescences (Major types- Racemose and Cymose ),  Morphology of flower (including aestivation and placentation ), fruit.
Classification of Living OrganismsFive kingdoms of life and the basis of classification of five kingdoms, Salient features and classification of Monera, Protoctista (Protista), Fungi and Lichens into major groups, Virus and Viroids-a brief general account, Salient features and classification of the plant into major group-Algae, Bryophyte Pteridophytes, Gymnosperms and Angiosperm (three to five salient and distinguishing features of each category and at least two examples of each category, Angiosperm- classification up to class, characteristic features (three to five) and examples, Salient features and classification of Animals – major nonchordates upto phylum and chordates upto class level (three upto five salient features and at least two examples).
Structural Organisation in AnimalsTissues in animals ( structure, occurrence, and function in brief)
CellCell envelop- cell membrane and cell wall ( ultrastructure and function), cell organelles-Ultrastructure and function: Mitochondria. Golgi bodies, ribosomes, lysosomes and plastics, Ultrastructure and function of the cytoskeleton, centrioles, Nucleus – nuclear membrane, nucleoplasm, chromatin, nucleus (Ultrastructure and function).
Chemical constitutions of a living cellBiomolecules- structure, and function of the protein. carbohydrate, lipid, and nucleic acid,  Enzyme-types, properties, and enzyme action (lock and key, induced fit model, and allosteric).
Movement of waterFood, Nutrition and Gases, Cell to cell transport- diffusion, facilitated diffusion, active transport, Plant-water relation-inhibitions, water potential. osmosis and plasmolysis, Transpiration and guttation, opening and closing of stomata, Translocation – transport through xylem and phloem. Mass flow hypothesis.
Plant Nutrition and Minerals Elementary idea of Hydroponics, Nitrogen metabolism- nitrogen cycle, biological nitrogen fixation.
RespirationCellular respiration – glycolysis T.C.A cycle and E.T.S (aerobic) Definition. process and significance, Energy relations – number of A.T.P. molecules generated in respiration, Respiratory quotient of nutrients.
PhotosynthesisPhotosynthetic pigments (elementary idea-structure not required), Photochemical and biosynthetic phases of photosynthesis, Cyclic and non-cyclic photophosphorylation, Photorespiration, C 3. and C4 pathways.
Cell divisionIntroduction, Definition, and types, cell cycle, Meiosis – Definition, types, process, and significance
Plant Growth and DevelopmentCondition of growth- (light, temperature, water, hormone, nutrients only), Sequence of the development process in a plant cell through charts, Growth regulations – auxin, gibberellin cytokinin, ethylene, seed germination, Seed dormancy, Photoperiodism- definition, types of plants on basis of the length of the photoperiod.
Breathing and RespirationRespiratory system in humans (outline), Mechanism of breathing and its regulation in humans, Exchange of gasses, transport of gasses and regulation of respiration, Respiratory volumes.
Body Fluids and CirculationComposition of Blood (Tabular form), Blood groups. ABO Blood groups, Coagulation of blood, Structure of Human heart and blood vessels, Cardiac cycle, Cardiac output (stroke volume and minute volume, determination of cardiac output-Fick’s Principle), E.C.G (brief idea, no analysis required)
Excretory Products and their EliminationModes of excretion -Ammonotelism Ureotelism, Uricotelism (Definition and Examples), Human excretory system- structure and function (Histology of nephron),  Urine formation and Osmoregulation, Role of other organs in excretion- Liver, skin, lung and salivary gland.
Digestion and AbsorptionStructure (in brief) of the human alimentary canal including dental arrangement and digestive glands, Role of the digestive enzymes and the G-1 Hormone in digestion, Peristalsis, Digestion, absorption, and assimilation of protein. carbohydrate and fat.
Locomotion and MovementSkeletal muscle -contractile proteins and muscle contraction, Joints
Neural control and coordinationCentral Nervous System, Peripheral Nervous system( P.N.S.), and visceral Nervous system. Brain and its major parts-cerebral cortex, thalamus, hypothalamus, limbic system, midbrain, pons, medulla, cerebellum, and Spinal cord (function only), Mode of distribution and function of P.N.S and autonomic nervous system, Reflex action, and Reflex Arc.
Chemical Coordination and RegulationHuman endocrine system-Hypothalamus, Pituitary. Pineal, Thyroid, Parathyroid, Adrenal, Pancreas, Gonads ( location and function only), and Mechanism of hormone action ( elementary idea).

WBCHSE Class 11 Biology Highlights

Name of the BoardWBCHSE
TopicsDiversity of living organisms, Structural organizations in plants and animals, Cell structure and function, Plant Physiology, Human physiology
Official websiteCLICK HERE
Examination DateMarch 14th to 27th 2023

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WBCHSE Class 11 Biology Overview

Biology is a fascinating subject that covers a wide range of topics related to life and living organisms. By studying Biology, students can learn about the structure and function of different organisms, as well as the processes that drive life and the evolution of different species over time. Students need to have a clear understanding of the topics covered in the WBCHSE Class 11 Biology Syllabus to prepare effectively for their exams and achieve success in the subject. Understanding the structure and function of different organisms helps students to appreciate the complexity of life. 

Additionally, learning about the processes that drive life and the evolution of different species allows students to gain an insight into the complexity of the natural world. By understanding the topics covered in the WBCHSE Class 11 Biology Syllabus, students can become more aware of how all living organisms are interconnected, and how this knowledge can be used to further understand our own lives. With a clear understanding of the topics covered in the WBCHSE Class 11 Biology Syllabus, students can approach their exams with confidence. They can gain a greater appreciation for the importance of Biology in our daily lives, and its relevance to human health.

Studying Biology also helps to develop critical thinking and problem-solving skills, as well as an appreciation for the diversity of life on Earth. The syllabus is designed to provide a comprehensive understanding of the subject and covers various topics in detail so that students can build a solid foundation for their future studies in related fields.

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Biology Uses in Real life

Biology is a valuable subject that offers many benefits to students, both in the short term and the long term. It helps students understand the human body and its functions, provides practical knowledge and develops critical thinking and problem-solving skills. It also helps students appreciate the natural world and the diversity of life on Earth and provides a solid foundation for further studies in related fields. There are many career opportunities available for those who study biology, including research, healthcare, and biotechnology.

Biology has a huge impact on our daily lives, and its applications are widespread and varied. It is essential for developing medical treatments, diagnosing diseases, and preventing illnesses. In agriculture, it helps increase crop yields, improve food quality, and create more sustainable farming practices.

Environmental Science, helps us understand how living organisms interact with their environment. In forensics, it helps solve crimes and identify suspects. Genetics is an area of Biology that studies the inheritance of genetic traits and the control mechanisms of gene expression. Studying Biology provides us with a deeper understanding of the world around us and how we can use this knowledge to improve our lives and the world we live in.

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WBCHSE Class 11 Biology Examination Tips

The most important details in this text are the steps that students should follow when preparing for the West Bengal Council of Higher Secondary Education (WBCHSE) class 11 examination. 

  1. Obtaining a copy of the syllabus allows the student to check it and mark completed or difficult chapters, as well as place more emphasis on those chapters for which they are not strong enough.
  2. Creating a study plan. By doing so the student can ease with the toughest questions and answers.
  3. Students can do this by gathering study materials either by going to the library or by utilizing online resources.
  4.  Staying organized, practicing regularly, and seeking help from the seniors or the Teachers when needed are very important.
  5. Taking care of your health, and remaining motivated are examples of these steps. Following these steps not only helps a student prepare efficiently but also relieves stress and allows them to manage their time effectively. 

Thus, by taking these few steps, students can make the best use of their resources and achieve better outcomes in the WBCHSE class 11 examination. Additionally, students should surround themselves with positive people who support their goals and reward themselves with small rewards for meeting milestones.

Furthermore, students should take breaks and rest between study sessions, set realistic goals to avoid discouragement, and actively engage in extracurricular activities. Through these simple strategies, students can balance the many demands placed on them and achieve success in their exams. 

Frequently asked questions

Q1. How many chapters are there in biology class 11?

The 11th-grade biology syllabus for the WBCHSE 2023 examination consists of 22 chapters, which are further divided into topics and sub-topics.

Q2. What are the subjects in the 11th bio?

There are five different chapters present in the Biology syllabus for Class 11. They are: (i) Diversity of Living Organisms; (ii) Structural Organization in Plants and Animals; (iii) Cell: Structure and Function; (iv) Plant Physiology; and (v) Human Physiology.

Q3. How many percentages are required for bio in the 11th?

A minimum of 45 to 50 percent in the 10th grade from a recognized board is required to get a seat in the 11th grade or intermediate in the science stream with subjects like physics, biology, and chemistry. 

Q4. What is the pass mark for biology in class 11?

According to state board marking guidelines, passing class 11 in the science stream generally requires a score of at least 21 out of 70 in each subject.

Q5. What is the examination date for Biology in the WBCHSE 2023 examination?

The WBCHSE 2023 Biology examination will be held on March 18th, 2023. ​

Q6. What is the duration of the WBCHSE Biology Class 11 Examination?

The examination for the Class 11 Biology 2023 subject will be of two hours duration.

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