Class 11 Biology Deleted Syllabus 2022-23
CBSE Deleted Syllabus For Class 11 Biology: Being updated with the syllabus helps in strategizing the study plans accordingly. Biology is a concept-based subject in which you can score well if your basics are clear. Biology is a very important and main subject of the Class 11 Science stream. Biology is a subject of the Medical stream. Biology is a theoretical and concept-based subject. So if a student’s concepts are not clear, he/she cannot score good marks in this subject. So student needs to practice well for scoring high marks in this subject. Class 11 must study thoroughly each and every subject so as to create a strong base for class 12.
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Class 11 Biology Deleted (Portion) Syllabus 2022-23
Due to the Covid-19 situation, no proper school functioning is taking place. There is increasing stress on student’s shoulders and it is very difficult to cover the entire syllabus in online classes. So CBSE has decided to reduce the syllabus by 30% of all classes.
The topics which have been deleted are mentioned below. Do check out the table for more information.
|Chapter Number||Chapter Name||Deleted Topics|
|Unit 1: Diversity of Living Organisms|
|1||The Living World||· taxonomy and systematics
· tools for the study of taxonomy
|3||Plant Kingdom||· Angiospermae
· Angiosperms – classification up to class, characteristic features, and examples.
|Unit-II Structural Organization in Animals and Plants|
|5||Morphology of Flowering Plants||· Morphology and modifications: Morphology of different parts of flowering plants: root, stem, leaf, fruit, and seed.
· Description of families: – Fabaceae
|6||Anatomy of Flowering Plants||· Anatomy and functions of different tissues and tissue systems in dicots and monocots. Secondary growth.|
|7||Structural Organisation in Animals||· Morphology,
· Anatomy and functions of different systems (digestive, circulatory, respiratory, nervous, and reproductive) of an insect (cockroach)
|Unit-IV Plant Physiology|
|11||Transport in Plants||· Movement of water,
· gases and nutrients;
· cell to cell transport,
· facilitated diffusion,
· active transport;
· plant-water relations,
· water potential,
· long-distance transport of water – Absorption, apoplast,
· transpiration pull,
· root pressure and guttation;
· transpiration, opening, and closing of stomata; Uptake and translocation of mineral nutrients – Transport of food,
· phloem transport,
· mass flow hypothesis.
|12||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.|
|15||Plant – Growth and Development||· Seed germination;
· phases of plant growth and plant growth rate; conditions of growth;
· dedifferentiation and redifferentiation; Sequence of developmental processes in a plant cell;
· Seed dormancy; vernalization; photoperiodism
|Unit-V Human Physiology|
|16||Digestion and Absorption||Alimentary canal and digestive glands, the role of digestive enzymes and gastrointestinal hormones|
|20||Locomotion and Movement||· Types of movement – ciliary, flagellar, muscular;
· Skeletal system and its functions; joints; disorders of muscular and skeletal systems – myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout.
|21||Neural Control and Coordination||reflex action; sensory perception; sense organs; elementary structure and functions of eye and ear|
Biology Deleted Syllabus for Class 11 Practical
- Description of Family Fabaceae; Types of root (Tap and adventitious); types of the stem (herbaceous and woody); leaf(arrangement, shape, venation, simple and compound).
- Preparation and study of T.S. of dicot and monocot roots and stems (primary)
- Study of osmosis by potato osmometer.
- Study of plasmolysis in epidermal peels (e.g. Rhoeo/lily leaves or flashy scale leaves of onion bulb).
- Comparative study of the rates of transpiration in the upper and lower surface of leaves.
- Test for the presence of sugar, starch, proteins, and fats in suitable plant and animal materials.
- Test for the presence of urea in urine.
- Test for the presence of bile salts in urine.
Observation of the following
- Tissues and diversity in shape and size of plant cells (palisade cells, guard cells, parenchyma, collenchyma, sclerenchyma, xylem, and phloem) through temporary and permanent slides.
- Different modifications in roots stem and leaves.
- Different types of inflorescence (cymose and racemose).
- Human skeleton and different types of joints
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FAQs on CBSE Class 11 Biology Deleted Syllabus 2022-23
1. What are the chapters in class 11 biology?
The chapters have been listed above in the table given for class 11 biology.
2. Is biology class 11 hard?
No, Class 11 biology is not hard if you study regularly.
3. Is Ncert enough for class 11 biology?
Yes, NCERT is enough for class 11 biology.
4. How many parts are there in biology class 11?
In total, there are 5 units in class 11 biology.
5. Which chapters are deleted from biology 11?
No chapter has been deleted from biology for class 11. Deleted topics list is shared above in the table.