Karnataka 2nd PUC Biology Syllabus 2024-25 - KSEAB 12th Class Biology Syllabus Download PDF

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Karnataka 2nd PUC Biology Syllabus 2024-25 can be downloaded from the official website of the Karnataka School Examination Board at kseab.karnataka.gov.in. The blueprint and model test papers have been uploaded online. The theory paper will be conducted for 70 marks and the remaining marks will be provided for the practical exam. According to the latest blueprint uploaded online, the theory paper will consist of a total of 105 marks including internal choices. The question paper will include objective-type questions, very short answer-type questions, short answer-type questions, and long answer-type questions.

Make sure to practice as many Karnataka 2nd PUC Biology Model Paper 2024-25 as possible for an effective revision. This will help the students to enhance their preparation and check on their weak points. Check out more information about the Karnataka 2nd PUC Biology Syllabus 2024-25 here:

Also Read: Karnataka 2nd PUC Biology Previous Year Question Paper

Karnataka 2nd PUC Biology Syllabus 2024-25 PDF

Students can download the updated Karnataka 2nd PUC Biology Syllabus 2024-25 here:

Karnataka 2nd PUC Biology Marking Scheme 2024-25

Students can refer to the latest Karnataka 2nd PUC Biology Marking Scheme 2024-25 from the table given below:

Karnataka 2nd PUC Biology Syllabus 2024-25

The chapter-wise Karnataka 2nd PUC Biology syllabus 2024-25 has been provided below:

2. Sexual reproduction in flowering plants

Flower structure; development of male and female gametophytes; pollination – types, agencies and examples; outbreeding devices; pollen-pistil interaction; double fertilization; post fertilization events – development of endosperm and embryo, development of seed and formation of fruit; special modes – apomixis, parthenocarpy, polyembryony; Significance of seed dispersal and fruit formation.

3. Human reproduction

Male and female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis – spermatogenesis and oogenesis; menstrual cycle; fertilisation, embryo development upto blastocyst formation, implantation; pregnancy and placenta formation (elementary idea); parturition (elementary idea); lactation (elementaryidea).

5. Principles of inheritance and variation

Heredity and variation: Mendelian inheritance; deviations from Mendelism – incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups, pleiotropy; elementary idea of polygenic inheritance; chromosomal theory of inheritance; chromosomes and genes; sex determination – in humans, fruit fly, birds, honey bee and grasshopper; linkage and crossing over; mutation; sex linked
inheritance: Mendelian disorders in humans; chromosomal disorders in humans.

6. Molecular basis of inheritance

Search for genetic material and DNA as genetic material; structure of DNA and RNA; DNA packaging; DNA replication; central dogma; transcription, genetic code, translation; gene expression and regulation
– lac operon; human genome project; DNA fingerprinting.

7. Evolution

Origin of life; biological evolution and evidences for biological evolution (palaeontology, comparative anatomy, embryology and molecular evidences); 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.

8. Human health and diseases

Pathogens; parasites causing human diseases (common cold, dengue, chikungunya, typhoid, pneumonia, amoebiasis, malaria, filariasis, ascariasis, ring worm) and their control; Basic concepts of immunology – vaccines; cancer, HIV and AIDS; Adolescence – drug and alcohol abuse.

10. Microbes in human welfare

In household food processing, industrial production, sewage treatment, energy generation and microbes as biocontrol agents and biofertilisers. Antibiotics.

11. Biotechnology – Principles and processes

Genetic Engineering (recombinant DNA technology).

12. Biotechnology and its applications

Applications of biotechnology in health and agriculture: human insulin and vaccine production, stem cell technology, gene therapy; genetically modified organisms – Bt crops; transgenic animals; biosafety issues, biopiracy and biopatents.

14. Biodiversity and its conservation

Concept of biodiversity; patterns of biodiversity; the importance of biodiversity; loss of biodiversity; biodiversity conservation; hotspots, endangered organisms, extinction, Red Data Book, biosphere reserves, national parks, sanctuaries, and Ramsar sites.

Karnataka 2nd PUC Biology Deleted Syllabus 2024-25

Students can refer to the deleted topics or chapters of the reduced Karnataka 2nd PUC Biology Syllabus 2024-25:

How to Download Karnataka 2nd PUC Biology Syllabus 2024-25?

Students can follow the simple procedure given below to download the latest blueprint for Biology:

• Step 1: You must first visit the official website of the Karnataka School Examination Board at kseab.karnataka.gov.in.
• Step 2: The home page will open on your screen. Scroll down and go to the DOCUMENTS section.
• Step 3: Click on the PUC option. Now, click on the Question papers link.
• Step 4: A new page will open on your screen. Select the “2024-25 Model question papers and their blueprints for the II PUC Examination & related Circular”
• Step 5: Now click on the Biology option to download the blueprint of the papers accordingly.

Karnataka 2nd PUC Biology Question Paper Pattern 2024-25

The following format will be followed by the Karnataka School Examination Board to create the question paper for Biology subject during the initial board exams:

Karnataka 2nd PUC Biology Question Paper Format 2024-25

Students can check out the types of questions that will appear in the board exams from the pointers given below:

• The Question paper consists of parts A, B, C, D and E
• Part A - I consist of 15 Multiple choice questions, Part A – II consists of 5 up-the-blank questions
• All the questions of Part A – I and II are to be answered compulsorily
• Part B consists of 7 short answer type questions carrying 2 marks each, out of which 5 questions to be answered
• Part C consists of 7 short answer type questions carrying 3 marks each, out of which 5 questions to be answered
• Part – D consists of V and VI. Part D – V consists of 7 long answer-type questions carrying 5 marks each, out of which 4 questions are to be answered. Part D – VI consists of 3 long answer-type questions carrying 5 marks each, out of which 1 question is to be answered.
• Part E consists of questions for visually challenged students only after question number 44.

Karnataka 2nd PUC Biology Preparation Tips 2024-25

From this year onwards, the state board has decided not to conduct supplementary examinations for class 12 students. Instead, there will be ‘three annual examinations’ which are, Exam 1, Exam 2, and Exam 3. Students who will be appearing for the Karnataka 2nd PUC exam 2025, can follow the preparation tips given below:

• Start your exam preparation by knowing the syllabus and exam pattern.
• Know the highest weightage carrying topics and chapters in the syllabus.
• Create an effective study schedule giving equal time to each topic of the subject. Maintain the schedule till the exam.
• Make a separate notebook for Biology and jot down your notes. Study from your handwritten notes and you will remember much better what you have prepared.
• Refer to the recommended Karnataka Board 2nd PUC Biology books. Use proper reference books if required.
• Solve the Karnataka 2nd PUC Biology model papers and previous years' question papers to know the types and difficulty level of the questions.
• While writing in the examination hall, write short and crisp answers. Draw diagrams and label them wherever necessary in the answers.

Students must try to complete the Karnataka 2nd PUC Biology Syllabus 2024-25 as soon as possible so that they can invest their time in revision. Revision can be done through model test papers available online or previous year's question papers. Try to study through a well-curated study plan to complete your syllabus on time.