NCERT Syllabus for Class 12 Biology 2024

NCERT Syllabus for Class 12 Biology 2024 - Download PDF

Edited By Shamshad Ali Dar | Updated on Sep 27, 2024 03:43 PM IST

NCERT Syllabus for Class 12 Biology 2024-25: The National Council of Educational Research and Training provides the Class 12 Biology syllabus which is prescribed by CBSE and many other State Boards. CBSE strictly follows the NCERT syllabus for Class 12 Biology as this body puts forth very relevant information. The NCERT Syllabus is designed in a way to offer in-depth knowledge to students. Here, we have provided the class 12 biology syllabus pdf with solutions. Students must use these NCERT class 12 biology syllabus pdfs to get familiar with the entire syllabus.

NCERT Syllabus for Class 12 Biology 2024 - Download PDF

It also aims to give a clear, sequential flow of concepts without over-emphasizing the information. By referring to the NCERT Class 12 Biology syllabus 2024-25, students can prepare for the board exams and a few competitive and scholarship exams such as - NEET. Biology is a theoretical subject, if studied thoroughly, students can score high in the CBSE class 12th exam 2024-25. Students should go through the CBSE 12th date sheet 2025 and prepare for the final exams. Candidates can find detailed information on class 12 biology syllabus NCERT 2024-25, marking scheme and Question paper pattern below.

NCERT CBSE Syllabus for Class 12 Biology 2024-25: Highlights

Usually, most of the questions are asked straight from the NCERT books for Class 12 Biology
Class 12 Biology syllabus 2024-25 helps the candidates to stick to important topics. It offers relevant information which is brief and to the point.
NCERT books are written in a very understandable and simple language which makes it easy for the students to clear the concepts.
NCERT Solutions for Class 12 Biology lets the students clarify their doubts and related queries. It will help them to score well.
Units such as Genetics and Evolution, Reproduction, Biology and Human Welfare should be studied carefully as these units carry high weightage in the CBSE class 12 syllabus

Also Read:
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NCERT Class 12 Biology Syllabus 2024-25

Students can check the given detailed NCERT biology syllabus Class 12 from the table. It is important to know and understand the Class 12 biology NCERT syllabus in detail. Below mentioned are the chapter-wise important topics of the CBSE Class 12 Biology syllabus 2024-25.

NCERT Chapter-wise Solution	Important Topics
Chapter 1 - Sexual Reproduction in Flowering Plants	Flower Structure; Development of male and female gametophytes; pollination -Types, agencies and examples; outbreeding devices; post-fertilization events - development of endosperm and embryo, pollen-pistil interaction; double fertilization, etc.
Chapter 2 - Human Reproduction	Embryo development up to blastocyst formation, menstrual cycle, fertilisation, Male and Female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis - spermatogenesis and oogenesis, etc.
Chapter 3 - Reproductive Health	Need for reproductive health and prevention of Sexually Transmitted Diseases (STDs); birth control - contraception and medical termination of pregnancy, need and methods, etc.
Chapter 4 - Principles of Inheritance And Variation	Chromosome theory of inheritance; linkage and crossing over; sex-linked inheritance - haemophilia, colour blindness; Mendelian disorders in humans, Mendelian inheritance; deviations from Mendelism – incomplete dominance, codominance, multiple alleles and inheritance, pleiotropy; elementary idea of polygenic inheritance, etc.
Chapter 5 - Molecular Basis of Inheritance	Central dogma; transcription, genetic code, translation; gene expression and regulation - lac operon, Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication, etc.
Chapter 6 - Evolution	Darwin's contribution, modern synthetic theory of evolution; mechanism of evolution, Origin of life; biological evolution and evidence for biological evolution (palaeontology, comparative anatomy, embryology and molecular evidence), etc.
Chapter 7 - Human Health and Disease	Pathogens; parasites causing human diseases (malaria, dengue, common cold, amoebiasis, ringworm) and their control, chikungunya, filariasis, ascariasis, typhoid, pneumonia, etc.
Chapter 8 - Microbes in Human Welfare	Energy generation and microbes as bio-control agents and bio-fertilizers, In household food processing, industrial production, sewage treatment, etc.
Chapter 9 - Biotechnology: Principles and Processes	Genetic Engineering (Recombinant DNA Technology).
Chapter 10 - Biotechnology and its Applications	Stem cell technology, gene therapy; genetically modified organisms, Application of biotechnology in health and agriculture: Human insulin and vaccine production, etc.
Chapter 11 - Organisms And Population	Population and ecological adaptations; population interactions - mutualism, Organisms and environment: Habitat and niche, competition, predation, parasitism, etc.
Chapter 12 - Ecosystem	Ecosystems: Patterns, components; productivity and decomposition; energy flow; pyramids of number, biomass, energy; nutrient cycles (carbon and phosphorous); ecological succession, etc.
Chapter 13 - Biodiversity and Conservation	Biodiversity conservation; hotspots, endangered organisms, extinction, Biodiversity-Concept, patterns, importance; loss of biodiversity, etc.
Total - 13 chapters

NCERT Syllabus for Class 12 Other Subjects

How to prepare for NCERT CBSE Class 12 Biology 2024-25?

Students are advised to solve as many NCERT questions as most of the time questions on board come from these NCERT exercises.
Practice all the diagrams as it will help the students to clear the in-depth details of every topic. The diagrammatic information helps in better understanding.
Refer to NCERT solutions for Class 12 Biology. Doing this will help the candidates to know the way the question should be attempted in board exams.
Solve previous year's question papers to know the exam pattern and weightage of several topics and prepare accordingly.
Try to jot down difficult biological terminology on paper many times to memorize it easily.
Revise the NCERT syllabus for class 12 biology and make short notes of important topics subsequently to revise the same in less time.

Best Reference Books for Class 12 CBSE Biology:

NCERT syllabus for Class 12 Biology helps to prepare for class 12 board exams. But referring to some Class 12 Biology reference books helps the students to dig in more details about important topics. Some of the best reference books for class 12 biology are mentioned below:

S. Chand’s Biology for class XII by B.P. Pandey.
Trueman’s Elementary Biology for Class 12 and NEET by K.N. Bhatia and M.P. Tyagi.
Together with Biology by S. Chand.
CBSE Biology Chapter wise Solved Papers class 12th by Arihant Expert.
Pradeep’s A Text Book of Biology class 12 by P.S. Dhami.
Biology by Campbell and Reece

Check: NCERT Books for class 12 all Subjects

Also, Read:

Frequently Asked Questions (FAQs)

1. How many chapters are there in Class 12 biology?

There are a total of 13 chapters in Class 12 biology.

2. Is class 12 biology syllabus NCERT easy?

Generally, the paper of CBSE Class 12 is kept as a balanced and easy paper, which makes it easy for students to solve the questions if they have studied the subject.

3. How can I learn Bio Fast?

You should clear all your concepts instead of memorising the words and complete the lab work to have practical knowledge.

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Popular Questions

A block of mass 0.50 kg is moving with a speed of 2.00 ms^-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1) $0.34\; J$	Option 2) $0.16\; J$
Option 3) $1.00\; J$	Option 4) $0.67\; J$

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times. Assume that the potential energy lost each time he lowers the mass is dissipated. How much fat will he use up considering the work done only when the weight is lifted up ? Fat supplies 3.8×10⁷J of energy per kg which is converted to mechanical energy with a 20% efficiency rate. Take g = 9.8 ms⁻² :

Option 1)

2.45×10⁻³ kg

Option 2)

6.45×10⁻³ kg

Option 3)

9.89×10⁻³ kg

Option 4)

12.89×10⁻³ kg

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1) $2,000 \; J - 5,000\; J$	Option 2) $200 \, \, J - 500 \, \, J$
Option 3) $2\times 10^{5}J-3\times 10^{5}J$	Option 4) $20,000 \, \, J - 50,000 \, \, J$

A particle is projected at 60⁰ to the horizontal with a kinetic energy $K$ . The kinetic energy at the highest point

Option 1) $K/2\,$	Option 2) $\; K\;$
Option 3) $zero\;$	Option 4) $K/4$

In the reaction,

$2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}$

Option 1) $11.2\, L\, H_{2(g)}$ at STP is produced for every mole $HCL_{(aq)}$ consumed	Option 2) $6L\, HCl_{(aq)}$ is consumed for ever $3L\, H_{2(g)}$ produced
Option 3) $33.6 L\, H_{2(g)}$ is produced regardless of temperature and pressure for every mole Al that reacts	Option 4) $67.2\, L\, H_{2(g)}$ at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, $Mg_{3}(PO_{4})_{2}$ will contain 0.25 mole of oxygen atoms?

Option 1) 0.02	Option 2) 3.125 × 10^-2
Option 3) 1.25 × 10^-2	Option 4) 2.5 × 10^-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1) decrease twice	Option 2) increase two fold
Option 3) remain unchanged	Option 4) be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1) Molality	Option 2) Weight fraction of solute
Option 3) Fraction of solute present in water	Option 4) Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol^-1) is

Option 1) twice that in 60 g carbon	Option 2) 6.023 × 10²²
Option 3) half that in 8 g He	Option 4) 558.5 × 6.023 × 10²³

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t²) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m² , the number of rotations made by the pulley before its direction of motion if reversed, is