Latest CBSE Class 12th Syllabus of Biology 2018-19
CBSE has released the CBSE Class 12 Syllabus of Biology (Code No. 044) for the session 2018-19. The new session has started and board updated the new syllabus. There is no change made in the syllabus and exam pattern.
The question paper will be of 70 marks. Practicals will be conducted of 30 marks.
The Question paper will consist of 26 questions. All questions would be compulsory. However, there is an internal choice in one question of 2 marks weightage, one question of 3 marks weightage and all the three questions of 5 marks weightage.
Unit | Marks | |
VI | Reproduction | 14 |
VII | Genetics and Evolution | 18 |
VIII | Biology and Human Welfare | 14 |
IX | Biotechnology and its Applications | 10 |
X | Ecology and Environment | 14 |
Total | 70 |
Unit VI - Reproduction
• Chapter-1: Reproduction in Organisms
• Chapter-2: Sexual Reproduction in Flowering Plants
• Chapter-3: Human Reproduction
• Chapter-4: Reproductive Health
Unit VII - Genetics and Evolution
• Chapter-6: Molecular Basis of Inheritance
• Chapter-7: Evolution
Unit VIII - Biology and Human Welfare
• Chapter-8: Human Health and Diseases
• Chapter-9: Strategies for Enhancement in Food Production
• Chapter-10: Microbes in Human Welfare
Unit IX - Biotechnology and Its Applications
Unit IX - Biotechnology and Its Applications
• Chapter-11: Biotechnology - Principles and processes
• Chapter-12: Biotechnology and its Application
Unit VI - Ecology and Environment
• Chapter-13: Organisms and Populations
• Chapter-14: Ecosystem
• Chapter-15: Biodiversity and its Conservation
• Chapter-16: Environmental Issues
• Chapter-14: Ecosystem
• Chapter-15: Biodiversity and its Conservation
• Chapter-16: Environmental Issues
Type of Question | Mark per Question | Total No. of Questions | Total Marks |
VSA | 1 | 5 | 05 |
SA-I | 2 | 5 | 10 |
SA-II | 3 | 12 | 36 |
VBQ | 4 | 1 | 04 |
LA | 5 | 3 | 15 |
Total | 26 | 70 |
Practicals: 30 Marks
Evaluation Scheme | |
| One Major Experiment Part A (Expt. No. 5, 6, 8, 9) | 5 Marks |
| One Minor Experiment Part A (Expt. No. 2, 3, 4) | 4 Marks |
| Slide Preparation Part A (Expt. No. 1, 7) | 5 Marks |
| Spotting Part B | 7 Marks |
| Practical Record + Viva Voce | 4 Marks |
| Project Record + Viva Voce | 5 Marks |
Total | 30 Marks |
List of Experiments
2. Collect and study soil from at least two different sites and study them for texture, moisture content, pH and water holding capacity. Correlate with the kinds of plants found in them.
3. Collect water from two different water bodies around you and study them for pH, clarity and presence of any living organism.
4. Study the presence of suspended particulate matter in air at two widely different sites.
5. Study the plant population density by quadrat method.
6. Study the plant population frequency by quadrat method.
7. Prepare a temporary mount of onion root tip to study mitosis.
8. Study the effect of different temperatures and three different pH on the activity of salivary amylase on starch.
9. Isolate DNA from available plant material such as spinach, green pea seeds, papaya, etc.
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