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CBSE Class 12 Biology Deleted Syllabus 2021-22 for Term 1 & 2

Class 12 Biology Deleted Syllabus 2021-22

CBSE Deleted Syllabus for Class 12 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 subject that becomes clearer each time you practice it. Formulas need to be remembered for acing certain topics.

Read: CBSE Class 12 Biology Important MCQs 

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Check New : CBSE Revised Term wise Syllabus for Class 10th and 12th Board Exams 2022

CBSE Deleted Syllabus For Class 12 Biology: Download Free PDF_60.1
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Biology Class 12 Deleted (Portion) Syllabus 2021-22 for Term 1 & Term 2

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.

Class 12 Biology Deleted Syllabus : Theory

The topics which have been deleted are mentioned below. Do check out the table for more information.

Serial Number Chapter Number Deleted Topics
Unit 6:

Reproduction

1 Reproduction in Organism ·         Reproduction

·         modes of reproduction – asexual and sexual reproduction

·         asexual reproduction – binary fission

·         sporulation

·         budding

·         gemmule formation

·         fragmentation

·         vegetative propagation in plants.

 

Unit 7: Genetics and Evolution
1 Evolution ·         Origin   of  life

·         biological   evolution   and evidence for  biological   evolution (paleontology, comparative anatomy, embryology, and molecular evidence);

·         Darwin’s  contribution

·         modern  synthetic  theory  of  evolution

·          mechanism  of evolution  – variation  (mutation  and  recombination)  and  natural  selection  with examples, types of natural selection;

·         Gene flow and genetic drift;

·         Hardy – Weinberg’s principle; adaptive radiation; human evolution.

Unit 8: Biology and Human Welfare
1 Strategies for Enhancement in Food Production ·         Animal husbandry, Plant breeding, tissue culture, single-cell protein.
Unit 10: Ecology and Environment
1 Ecosystem ·         Ecosystems:  Patterns,  components;  productivity and decomposition;  energy flow; pyramids of number, biomass, energy; nutrient cycles (carbon and phosphorous); ecological succession; ecological services – carbon fixation, pollination, seed dispersal, oxygen release (in brief).
2 Environmental Issues ·         Air pollution and its control; water pollution and its control; agrochemicals and their effects; solid waste management; radioactive waste management; greenhouse effect and climate change impact and mitigation;  ozone layer depletion; deforestation;  exemplifying case study as a success story addressing the environmental issue.

 

Class 12 Biology Deleted Syllabus: Practical

List of Experiments

  1. Study the presence of suspended particulate matter in the air at two widely different sites.
  2. Study the plant population density by the quadrat method.
  3. Study the plant population frequency by the quadrat method.

Study/Observer of the following (spotting)

  1. Pollen germination on stigma through a   permanent slide or scanning electron micrograph.
  2. Mendelian inheritance using seeds of different colors/sizes of any plant.
  3. Controlled pollination – emasculation, tagging, and bagging.

Class 12 Biology Deleted Syllabus 2021-22 for Term 1 & Term 2 Video

CBSE Class 12 Deleted Syllabus 2021-22

Maths Deleted Syllabus Physics Deleted Syllabus
Chemistry Deleted Syllabus Computer Science Deleted Syllabus
Economics Deleted Syllabus Geography Deleted Syllabus
Biology Deleted Syllabus English Deleted Syllabus
Psychology Deleted Syllabus Political Science Deleted Syllabus
Accountancy Deleted Syllabus Business Studies Deleted Syllabus
History Deleted Syllabus Sociology Deleted Syllabus

CBSE Class 11 Deleted Syllabus 2021-22

Maths Deleted Syllabus Physics Deleted Syllabus
Chemistry Deleted Syllabus Sociology Deleted Syllabus
Computer Science Deleted Syllabus History Deleted Syllabus
Economics Deleted Syllabus Geography Deleted Syllabus
Biology Deleted Syllabus English Deleted Syllabus
Psychology Deleted Syllabus Political Science Deleted Syllabus
Accountancy Deleted Syllabus Business Studies Deleted Syllabus

 

CBSE Class 10 Deleted Syllabus 2021-22

CBSE Class 9 Deleted Syllabus 2021-22

Syllabus Class 12 CBSE 2021-22

CBSE Class 12 New Syllabus 2021-22 CBSE Class 11 New Syllabus 2021-22
Class 12 Maths Class 11 Maths
Class 12 Physics Class 11 Physics
Class 12 Chemistry Class 11 Chemistry
Class 12 Biology Class 11 Biology
Class 12 Economics Class 11 Economics
Class 12 Accountancy Class 11 Accountancy
Class 12 History Class 11 History
Class 12 Geography Class 11 Geography
Class 12 Political Science Class 11 Political Science
Class 12 English Class 11 English

 

CBSE New Syllabus Class 9 & 10 For 2021-2022

CBSE Class 10 New Syllabus 2021-22 CBSE Class 9 New Syllabus 2021-22
Class 10 Maths Class 9 Maths
Class 10 Science Class 9 Science
Class 10 Social Science Class 9 Social Science
Class 10 English Class 9 English

CBSE Biology Deleted Syllabus Class 12 2022: FAQs

1.     What is the syllabus of class 12th bio?

The syllabus of class 12th biology remains the same as the previous year. the changed syllabus has been given in the table above.

2.     Which chapters are deleted from class 12 biology?

The topics which have been deleted from chapters of Class 12 biology have been mentioned above.

3.     How many books are there in biology class 12?

There are 3 books in NCERT for Biology in Class 12.

4.     Is Ncert enough for NEET?

Yes, NCERT Biology for Class 12 is enough for NEET.

5.     Is Ncert enough for JEE mains?

In JEE mains, Biology is not required. You need three subjects for JEE namely, Physics, Chemistry, and Maths

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FAQs

1.     What is the syllabus of class 12th bio?

The syllabus of class 12th biology remains the same as the previous year. the changed syllabus has been given in the table above.

2.     Which chapters are deleted from class 12 biology?

The topics which have been deleted from chapters of Class 12 biology have been mentioned above.

3.     How many books are there in biology class 12?

There are 3 books in NCERT for Biology in Class 12.

4.     Is Ncert enough for NEET?

Yes, NCERT Biology for Class 12 is enough for NEET.

5.     Is Ncert enough for JEE mains?

In JEE mains, Biology is not required. You need three subjects for JEE namely, Physics, Chemistry, and Maths

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