West Bengal Board Marking Scheme for Class 12 Annual Exmination for Biological Science
WB Council of HS Education has published the Marking Scheme / Mark Distribution / Question Paper Pattern for all the subjects on the basis of new syllabus.
Marking Scheme of Biological Science for Class 12 Annual Exmination of WB Board is given below.
| Topicwise Distribution of Marks |
Category of Marks | Total Marks | ||||
| 1 | 2 | 4 | 6 | |||
| Virus and Bacteria | 5 | 5 | ||||
| Tissue & Tissue System | 5 | 5 | ||||
| Forms & Functions of Plants | 5 | 5 | ||||
| Photosynthesis | 6 | 6 | ||||
| Growth, Metamorphosis & Ageing |
4 | 4 | ||||
| Classification of Animal Kingdom |
4 | 4 | ||||
| Outline features of Mammalian form (Eutheria) Guinea-pig (Cavia Porcellus) |
6 | 6 | ||||
| Outline knowledge of Medical Zoology |
4 | 4 | ||||
| Outline knowledge of Agricultural Zoology |
6 | 6 | ||||
| Outline idea about Economic Zoology |
5 | 5 | ||||
| Conservation of Matter & Energy in the Human System |
5 | 5 | ||||
| Blood & the Body Fluids | 2 | 2 | ||||
| Cardio Vascular System | 3 | 3 | ||||
| Respiratory System | 3 | 3 | ||||
| Nerve & Muscle- The Excitable Tissue |
2 | 2 | ||||
| Nervous System | 3 | 3 | ||||
| Endocrine System | 2 | 2 | ||||
| Excretory System | 2 | 2 | ||||
| Skin & Body Temperature Regulation |
1 | 1 | ||||
| Reproduction & Developmental Biology |
4 | 4 | ||||
| Immunology | 3 | 3 | ||||
| 80 | 80 | |||||
| Total No of Questions | 10 | 7 | 11 | 2 | ||
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WB Board Class 12 Marking Scheme for All Subjects Syllabus Model Question & Answers
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