CBSE Class 12 Exam 2024 Live: CBSE 12th Biology paper analysis, answer key, passing marks, result updates

CBSE Class 12 Biology exam 2024 conducted today, March 19, 2024. Updates on exam timings, guidelines, passing marks, syllabus, paper analysis, answer key, and more.

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CBSE Class 12 Biology exam 2024 today

Garima Sihag | March 19, 2024 | 08:35 PM IST

NEW DELHI : Central Board of Secondary Education conducted the Class 12 Biology theory exam today, March 19. The exam was held from 10:30 am to 1:30 pm and the reporting time was 10 am. Students must ensure that they have their admit cards and required stationery when they take the exam. They must arrive at the examination hall at least 30 minutes before the exam begins.

The CBSE 12th Biology exam consists of five sections with a total of 33 questions. Section A contains 16 questions worth 1 mark each, Section B includes five questions worth 2 marks each, Section C comprises seven questions worth 3 marks each, Section D features two case-based questions worth 4 marks each, and Section E contains three questions worth 5 marks each. While there is no overall choice in the paper, internal choices are provided for certain questions. Students are required to draw neat and properly labeled diagrams whenever necessary.

CBSE Class 12 Biology: Chapter-Wise Exam Pattern & Marking Scheme

The CBSE Class 12 Biology theory section carries a weightage of 70 marks, while the practicals make up the remaining 30 marks. The table below details the exam pattern and marking scheme for each CBSE Class 12 biology chapter

Title

Chapters

Marks

Reproduction

Chapter 2: Sexual Reproduction in Flowering Plants

Chapter 3: Human Reproduction

Chapter 4: Reproductive Health

16

Genetics and Evolution

Chapter 5: Principles of Inheritance and Variation

Chapter 6: Molecular Basis of Inheritance


20

Biology and Human Welfare

Chapter 8: Human Health and Diseases

Chapter 10: Microbes in Human Welfare

12

Biotechnology and its application

Chapter 11: Biotechnology - Principles and Processes

Chapter 12: Biotechnology and its Applications

12

Ecology and Environment

Chapter 13: Organisms and Populations

Chapter 14: Ecosystem

Chapter 15: Biodiversity and its Conservation

10

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LIVE UPDATES
Stay updated on the exam timings, syllabus, marking scheme, passing marks, reporting time, and other crucial details of the CBSE Class 12 Biology exam scheduled for today, March 19, 2024.

March 19, 2024 | 08:35 PM IST

CBSE Class 12 board exam result date 2024

The CBSE Board is expected to declare the Class 12 annual exam results 2024 in the first week of May.

March 19, 2024 | 08:00 PM IST

CBSE Class 12 Board Exam 2024: Upcoming exams, date sheet

The CBSE will be holding the CBSE Class 12 board exams 2024 till April 2. Here's the complete CBSE Class 12 date sheet 2024 for the upcoming exams.

March 20

Tourism, salesmanship

March 22

Political science

March 23

Accountancy

March 26

Mass media

March 27

Business studies

March 28

History

March 30

Sanskrit

April 1

Sociology

April 2

Informatics practices, CS, IT

March 19, 2024 | 05:32 PM IST

CBSE 12th Class Biology Paper- Moderate level

  • The difficulty level of the paper was moderate. It was designed in such a manner that individuals who have thoroughly studied NCERT would be able to excel.
  • The paper consisted of questions that required practical application and tested the students' problem-solving abilities. The instructions provided were precise and concise, which facilitated easy navigation and comprehension of the paper's requirements.
  • Due to the familiarity with the paper pattern, students may have felt confident in their ability to answer the questions. The diverse range of questions provided a comprehensive evaluation of their knowledge and skills.
  • In conclusion, the paper was well-balanced and favored those students who had prepared diligently.

March 19, 2024 | 05:21 PM IST

CBSE 12th Biology Section-Wise Analysis

  • Section A required a deep understanding of the concepts. However, a few numerical also required analytical aptitude. A few questions were tricky. In set-3 Q14 requires statistical recall regarding the number of hotspots in India and in the world. This question has posed a challenge to students.
  • Section B has questions that are easy and based on conceptual understanding. Internal choices among questions were also balanced.
  • Section C was also easy and well-balanced. The question from Evolution was from the Hardy-Weinberg Principle, which may challenge average students.
  • Section- D was comparatively easy among all the sections and the questions of this section were the same in all sets. Although there was a mistake regarding the number of blastomeres instead of 3 it should be 32.
  • Section E was also easy.

March 19, 2024 | 05:12 PM IST

CBSE 12th Biology Paper Analysis

According to Neha Gupta, HOD Biology, Bhai Parmanand Vidya Mandir The Central Board of Secondary Education (CBSE) Class 12 BIOLOGY (044) paper was well balanced. As per students, the level of difficulty was moderate. The question paper was a balanced mix of knowledge, analysis, and application-based questions. Most of the students were able to complete the paper well in time. The biology exam was for 70 marks, to be attempted within 3 hours.

The paper was divided into 5 sections (A, B, C, D and E)

  • Section A required a deep understanding of the concepts. However, a few numerical also required analytical aptitude. A few questions were tricky. In set-3 Q14 requires statistical recall regarding the number of hotspots in India and in the world. This question has posed a challenge to students.
  • Section B has questions that are easy and based on conceptual understanding. Internal choices among questions were also balanced.
  • Section C was also easy and well-balanced. The question from Evolution was from Hardy-Weinberg Principle which may pose a challenge to average students.
  • Section- D was comparatively easy among all the sections and the questions of this section were the same in all sets. Although there was a mistake regarding the number of blastomeres instead of 3 it should be 32.
  • Section E was also easy.

The questions were NCERT-based and followed the pattern of CBSE sample papers

March 19, 2024 | 05:06 PM IST

CBSE Class 12 Biology- Paper Analysis by Ritu Sharma, HOD Biology, MTG Learning Media

CBSE Class 12  Biology exam paper held today contained competency-based questions that made the students apply their acquired knowledge. The level of the paper was moderate. It was prepared in a way that those who have studied NCERT thoroughly will be able to perform well. The paper included practical application-based questions to assess the students' problem-solving skills. The instructions were clear and concise, making it easier for students to navigate through the paper and understand what was expected of them. The students may have felt confident in their ability to answer the questions due to familiarity with the paper pattern. The variety of questions allowed for a comprehensive assessment of their knowledge and skills.

Overall, the paper was well-balanced and favored students who had prepared diligently.

March 19, 2024 | 04:39 PM IST

CBSE Board Class 12 Exam Tomorrow

CBSE Class 12 students will write the Tourism, Air-conditioning & refrigeration, and Salesmanship subject exam tomorrow. The Class 12th CBSE exam will be held from 10:30 am to 1:30 pm.

March 19, 2024 | 04:05 PM IST

CBSE Class 12 Exam- Guidelines for Type-1 Diabetes Students

The students can carry the following items in the exam room in transparent pouches:-

  • Sugar tablets/Chocolate/Candy
  • Fruits like Banana/Apple/Orange
  • Snack items like Sandwich and any high protein diet
  • Medicines require as per the Doctor's prescription
  • Water bottle (500 ml.)
  • Glucometer and glucose testing strips
  • Continuous Glucose Monitoring (CGM) machine, Flash Glucose
  • Monitoring (FGM) machines and/or insulin pumps

March 19, 2024 | 03:47 PM IST

CBSE Board Class 12- Exam Timings

The CBSE Class 12th question papers are distributed to students at 10.15 am, allowing them 15 minutes to review and comprehend the paper. The writing portion of the CBSE 12th exam commences at 10:30 am, with the majority of exams taking place from 10:30 am to 1:30 pm.

March 19, 2024 | 03:47 PM IST

CBSE Class 12 biology paper analysis: Moderate

The level of the biology paper was moderate. MCQs were high-scoring, however, a few subjective questions were tricky and required critical thinking. It was a balanced question paper which was a mix of application and memory-based questions.

March 19, 2024 | 03:16 PM IST

CBSE Board Exams 2024: Toppers list

This year, CBSE may not publish the list of toppers to prevent unhealthy competition among students.

March 19, 2024 | 02:56 PM IST

CBSE 12th biology paper" Well balanced

The Central Board of Secondary Education (CBSE) Class 12 Biology paper was conducted today, as per initial reviews of students the paper was well-received.

March 19, 2024 | 02:38 PM IST

CBSE Class 10 Biology paper analysis

Sujata ,PGT Biology , KIIT World School, Gurugram, said Section- A featured a mix of Objective Type Questions covering both theory and application-based concepts. The final four questions in this section were Assertion and Reason Questions, testing students' comprehension and recall abilities.  Section B contained few direct questions and was relatively easier. Section C presented a blend of theoretical and application-based inquiries, including a few analytical questions of moderate complexity. Section D contains two case based questions, which were easy to solve. Section E incorporated Competency Based Questions emphasizing application and analysis concepts.

The level of  biology paper was moderate. MCQs were high scoring, however, a few subjective questions were tricky and required critical thinking. It was a balanced question paper which was a mix of application and memory-based questions. The questions ranged from simple to a little tricky but were mostly direct and simple. Overall, most questions were directly from the NCERT textbooks, which made it easier for students who had studied the prescribed syllabus thoroughly.

March 19, 2024 | 02:16 PM IST

CBSE 12th biology exam answer key to be released soon

The CBSE 12th board biology exam answer key will be released soon on the official website, cbseacademic.nic.in. Students can also cross-check their answers by referring to the answer keys provided by various coaching institutes.

March 19, 2024 | 01:52 PM IST

CBSE Class 12 biology exam analysis soon

After the CBSE Class 12th biology exam, students will be able to access a comprehensive analysis of each section conducted by experienced educators and subject matter experts on this platform. Furthermore, feedback from students who have completed the exam will also be provided here.

March 19, 2024 | 01:31 PM IST

CBSE Class 12 Biology Exam Ended

The CBSE board successfully conducted the Class 12 Biology exam today. Students must now begin preparing for the upcoming Class 12 exams.


March 19, 2024 | 01:09 PM IST

CBSE Board 10th, 12th- Official marksheet

Students must ensure that they collect their original CBSE 2024 mark sheets from their respective schools once the results have been declared online.

March 19, 2024 | 12:47 PM IST

CBSE Board Exam Result 2024- Update

The CBSE board conducted Class 10 exams from February 15 to March 13, 2024, and the results are expected to be announced in May 2024. Similarly, the CBSE 12th exams are being held from February 15 to April 2, 2024, and the results will be declared in the first week of May 2024.


March 19, 2024 | 12:23 PM IST

CBSE Class 12 Biology Exams 2024: Passing marks

To successfully pass the CBSE Class 12 board exams in 2024, students are required to achieve a minimum of 33% marks in each subject as well as in the overall aggregate.

March 19, 2024 | 12:03 PM IST

CBSE Board Class 12 Exam Tomorrow- On March 20, 2024

CBSE Class 12 students will write the Tourism, Air-conditioning & refrigeration, and Salesmanship subject exam tomorrow. The Class 12th CBSE exam will be held from 10:30 am to 1:30 pm.

March 19, 2024 | 11:47 AM IST

CBSE Class 12 Biology Exam 2024: Paper Analysis Soon

The CBSE 12th biology exams are being conducted today, the exam paper analysis will be provided soon after the completion of the exam.

March 19, 2024 | 11:24 AM IST

CBSE Board 10th, 12th- Instructions for diabetes students

The board has granted permission for type 1 diabetic students to have tablets, fruits, a Glucometer, and glucose testing strips with them during the CBSE 12th exams in 2024.

March 19, 2024 | 11:07 AM IST

CBSE Class 12 exam dates 2024

CBSE Class 12 exams 2024 are being held from February 15 to April 2, 2024.


March 19, 2024 | 10:48 AM IST

CBSE Board Class 12- Remaining exams

March 20, 2024 Tourism, Air-conditioning & refrigeration, Salesmanship
March 21, 2024 Fashion Studies
March 22, 2024 Political Science
March 23, 2024 Accountancy
March 26, 2024 Urdu Elective, Sanskrit Elective, Carnatic music vocal, Carnatic music mel ins, Carnatic music per ins mridangam, Urdu core, Front office operations, insurance, geospatial technology, electrical technology, mass media studies
March 27, 2024 Business studies, Business administration
March 28, 2024 History
March 30, 2024 Sanskrit Core
April 1, 2024 Sociology
April 2, 2024 Informatics Practices, Computer Science, Information technology

March 19, 2024 | 10:30 AM IST

CBSE Class 12 Biology Exam Started

The CBSE Class 12 Biology test began at 10:30 am and is set to finish at 1:30 pm.

March 19, 2024 | 10:11 AM IST

CBSE Class 12 Biology Exam: Important Points

  • Use diagrams and flowcharts: Biology is a subject heavily reliant on visuals. Use neat and labeled diagrams to explain answers wherever applicable.
  • Write clear and concise answers: Don't just dump information. Answer the question directly and to the point. Use bullet points whenever possible to improve readability.
  • Review your answers: Before submitting your paper, take some time to review your answers for any silly mistakes.

March 19, 2024 | 10:00 AM IST

CBSE 12th Exam 2024: Things to carry

Students appearing for the CBSE Class 12 board exams 2024 must carry their admit card and school identity card on the exam day.

March 19, 2024 | 09:49 AM IST

CBSE 12th Biology Exam- Bring the admit card

  • Carry all necessary stationery: Pencils, pens, eraser, sharpener, for diagrams.
  • Stay hydrated: Keep a water bottle and take small sips throughout the exam.

March 19, 2024 | 09:35 AM IST

CBSE Class 12 Biology Exam- Answering Techniques

  • Read each question carefully: Understand exactly what the question is asking before starting writing.
  • Focus on keywords: Identify keywords in the question that guide the answer.
  • Structure the answer: Organize the answer logically, using bullet points whenever possible for better readability.
  • Use diagrams and flowcharts: Biology is a visual subject. Use neat and labeled diagrams to explain concepts wherever applicable.


March 19, 2024 | 09:23 AM IST

CBSE 12th Biology Exam 2024: Don'ts

  • Do not leave questions blank: Even if unsure, write something relevant to the question. Candidates might get partial credit for showcasing their knowledge.
  • Do not write lengthy, irrelevant information: Don't try to impress the examiner with unnecessary details. Focus on providing the most relevant information needed to answer the question.

March 19, 2024 | 09:11 AM IST

CBSE Class 12 Biology Exam- Start with the easiest questions

Begin with the questions you're most confident about. This will boost your morale and give you more time for the tougher ones later.

March 19, 2024 | 08:55 AM IST

CBSE Class 12 Biology Exam to Begin Soon

The CBSE Class 12 Biology test will begin at 10:30 am. Upon reaching the examination venues, students will be given an extra 15 minutes to review and understand the CBSE board exam question paper.

March 19, 2024 | 08:41 AM IST

CBSE 12th Biology Exam- Read the question paper carefully

Before you start writing, take a few minutes to read through the entire question paper carefully. Understand the weightage of each section and plan your time accordingly.

March 19, 2024 | 08:27 AM IST

CBSE 12th Biology Exam- Sharpen your diagrams

Diagrams are vital in Biology and can fetch you good marks. Revisit and practice labeling diagrams of processes like the Krebs cycle or the human reproductive system.

March 19, 2024 | 08:12 AM IST

CBSE Class 12 Biology Exam- Quick Revision Techniques

  • Use mind maps or flowcharts to visually summarize complex topics for a quick recall.
  • Mnemonic devices can help memorize terms or sequences.
  • Go over key formulas, equations, and definitions

March 19, 2024 | 08:00 AM IST

CBSE Class 12 Biology Exam 2024- Things to carry

Students appearing for the CBSE Class 12 Biology exam should carry their admit card to the examination centres, along with school ID cards.

March 19, 2024 | 07:50 AM IST

CBSE 12th Biolog Paoer 2024: Number of questions

  • Section A has 16 questions of 1 mark each
  • Section B has 5 questions of 2 marks each
  • Section C has 7 questions of 3 marks each
  • Section D has 2 case-based questions of 4 marks each
  • Section E has 3 questions of 5 marks each.

March 19, 2024 | 07:42 AM IST

CBSE 12th Biology Paper 2024: Reporting time

Students appearing for CBSE biology paper 2024 should reach the examination hall at least 30 minutes before the commencement of the exam.

March 19, 2024 | 07:30 AM IST

What to carry in CBSE 12th biology paper?

CBSE Class 12 admit card

Photo identity proof

March 19, 2024 | 07:22 AM IST

CBSE Class 12 Biology Exam 2024: Passing marks

In order to be declared pass, students appearing for CBSE Class 12 biology paper will have to secure 33% marks.

March 19, 2024 | 07:17 AM IST

CBSE 12th Biology Paper 2024: Exam timings

CBSE Class 12 biology exam 2024 will be held today from 10:30 am to 1:30 pm.

March 19, 2024 | 07:11 AM IST

CBSE 12th biology paper 2024 today

The Central Board of Secondary Education will conduct CBSE Class 12 biology paper 2024 today, March 19.

March 18, 2024 | 10:00 PM IST

CBSE Class 12 Biology exam timings

CBSE will conduct a Class 12 Biology exam 2024 tomorrow from 10:30 am to 1:30 pm.

March 18, 2024 | 09:33 PM IST

CBSE Class 12 section-wise marking scheme

  • Section–A has 16 questions of 1 mark each
  • Section–B has 5 questions of 2 marks each
  • Section– C has 7 questions of 3 marks each
  • Section– D has 2 case-based questions of 4 marks each
  • Section–E has 3 questions of 5 marks each.

March 18, 2024 | 09:11 PM IST

CBSE Class 12 board exam 2024 marking scheme

Topics
Marks
Reproduction
16
Genetics and Evolution
20
Biology and Human Welfare
12
Biotechnology and its Applications
12
Ecology and Environment
10
Total
70

March 18, 2024 | 08:53 PM IST

CBSE Class 12 biology marks

CBSE Class 12 Biology theory exam will be of 70 marks and practical will be of 30 marks.

March 18, 2024 | 07:25 PM IST

CBSE Class 12 Biology: Chapter with highest weighatge

In CBSE Class 12 biology, 'Genetics and Evolution' chapter has the highest weightage of 20%.

March 18, 2024 | 07:12 PM IST

CBSE Class 12 Biology Exam: Total marks

CBSE Class 12 Biology theory exam carries a total of 70 marks.

March 18, 2024 | 06:57 PM IST

CBSE Class 12 Biology: Exam duration

CBSE Class 12 Biology paper will be conducted for a duration of 3 hours from 10:30 to 1:30 pm.

March 18, 2024 | 06:38 PM IST

CBSE Class 12 Biology: Marking Scheme

Topics
Marks
Reproduction
16
Genetics and Evolution
20
Biology and Human Welfare
12
Biotechnology and its Applications
12
Ecology and Environment
10
Total
70

March 18, 2024 | 06:34 PM IST

CBSE Class 12 Biology Paper 2024: Marking scheme

CBSE Class 12 Biology question paper carries 70 marks, divided into multiple choice questions, short answer type questions, and long answer type questions.

March 18, 2024 | 06:28 PM IST

What is the timing for the CBSE Class 12 Biology exam?

CBSE Class 12 Biology exam will be conducted from 10:30 am to 1:30 pm.

March 18, 2024 | 06:20 PM IST

CBSE Class 12 Biology Sample Paper 2024- Steps to download it

  • Visit the official website, cbseacademic.nic.in.
  • On the home page, click the ‘Sample Question Paper’ option.
  • Click on the ‘Class XII’ for 2023-24.
  • 'Class XII Sample Question Paper & Marking Scheme for Exam 2023-24' will appear on the screen
  • Now click on the Biology 'Sample question paper tab'. The class 12 CBSE 2024 Biology sample paper will be displayed on screens.
  • Save the sample paper in PDF format.

March 18, 2024 | 06:00 PM IST

CBSE Class 12 Biology Exam- Sample Papers Available

The CBSE board has recently made available sample papers for the CBSE Class 12th exams 2024. It is highly recommended that students who are preparing for these exams utilize these sample papers. In addition to the CBSE Biology Sample paper for 2024, previous years' CBSE Class 12 biology sample papers can also be downloaded from the official website - cbseacademic.nic.in.

March 18, 2024 | 05:33 PM IST

CBSE Class 12 Biology exam tomorrow

CBSE will conduct a Biology exam tomorrow, March 19, 2024. The Class 12 Biology exam will be held for 3 hours from 10:30 am to 1:30 pm.