12th Biology Question Paper Pattern
Biology(56)
Chapter-wise Distribution of Marks:
| Chapter No. | Chapter | Marks | Marks With Option |
|---|---|---|---|
| 1 | Reproduction in Lower and Higher Plants | 6 | 8 |
| 2 | Reproduction in Lower and Higher Animals | 6 | 8 |
| 3 | Inheritance and Variation | 4 | 6 |
| 4 | Molecular Basis of Inheritance | 4 | 6 |
| 5 | Origin and Evolution of Life | 4 | 6 |
| 6 | Plant Water Relation | 5 | 7 |
| 7 | Plant Growth and Mineral Nutrition | 5 | 7 |
| 8 | Respiration and Circulation | 7 | 10 |
| 9 | Control and Co-ordination | 8 | 11 |
| 10 | Human Health and Diseases | 3 | 4 |
| 11 | Enhancement of Food Production | 4 | 6 |
| 12 | Biotechnology | 5 | 7 |
| 13 | Organisms and Populations | 3 | 4 |
| 14 | Ecosystems and Energy Flow | 3 | 4 |
| 15 | Biodiversity, Conservation and Environmental Issues | 3 | 4 |
| Total | 70 | 98 |
Question-wise Distribution of Marks
| Type of questions | Marks for each questions | Number of questions | Total Marks |
|---|---|---|---|
| MCQ | 2 Marks each | Q. No. 1 (i to x) | 10Marks |
| VSA | 1 Mark each | Q. No. 2 (i to viii) | 08 Marks |
| SA- I | 2 Marks each | Q. No. 3 to 14 | 24 Marks |
| SA -II | 3 Marks each | Q. No. 15 to 26 | 36 Marks |
| LA | 4 Marks each | Q. No. 27 to 31 | 20 Marks |
Question Paper Pattern (XII)
Biology (56)
Time- 3 hrs. Total Marks -70
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General Instructions: –
1.The question paper is divided into four sections.
2. Figures to the right indicate full marks.
3. For each MCQ, correct answer must be written along with its alphabet.
e.g., (a)…. / (b) …../ (c)…… / (d)……. Only first attempt will be considered for evaluation.
Section A
Q. No.1 contains Ten multiple choice type of questions carrying One mark each.
Q.No.2 contains Eight very short answer type of questions carrying One mark each.
Section B
Q. No.3 to Q.No.14 contains Twelve short answer type of questions carrying Two marks each. (Attempt any Eight).
Section C
Q. No.15 to No. 26 contains Twelve short answer type of questions carrying Three marks each. (Attempt any Eight).
Section D
Q.No.27 to Q.No.31 contains Five long answer type of questions carrying Four marks each. (Attempt any Three).
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