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ICSE Class 10 Weightage 2023: The Science 3 Biology paper is set to be conducted on the last day of the examination on Wednesday, March 29, 2023. In order to help candidates prepare better for their ICSE class 10 Biology 2023 paper, a chapter-wise weightage distribution has been detailed on this page. Also, the question paper is set such that there are two sections in the paper: Section A and Section B, and for each chapter, the section-wise distribution is provided as well.
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It is also to be noted that CISCE board has not provided this weightage officially. Instead, it is derived from an analysis of the previous years’ papers and the same is expected to be followed this year as the board has not announced any major changes in the examination pattern.
ICSE Class 10 Biology Weightage 2023
The detailed weightage distribution for each unit of ICSE 10th Biology 2023 syllabus is as tabulated below:
| Unit | Chapter Name | Approximate Weightage Distribution (with options) | ||
|---|---|---|---|---|
| Section A | Section B | Total | ||
| Unit 1: Basic Biology (15 Marks) | Structure of Chromosomes, Cell Cycle and Cell Division | 2 marks | 6 marks | 8 marks |
| Genetics – Some Basic Fundamentals | 1 mark | 6 marks | 7 marks | |
| Unit 2: Plant Physiology (26 Marks) | Absorption by Roots | 2 marks | 2 marks | 4 marks |
| Transpiration | 1 mark | 8 marks | 9 marks | |
| Photosynthesis | 3 marks | 3 marks | 6 marks | |
| Chemical Co-ordination of Plants | 2 marks | 5 marks | 7 marks | |
| Unit 3: Human Anatomy & Physiology (45 Marks) | The Circulatory System | 3 marks | 5 marks | 8 marks |
| The Excretory System | 2 marks | 4 marks | 6 marks | |
| The Nervous System | 3 marks | 4 marks | 7 marks | |
| Sense Organs | 4 marks | 6 marks | 10 marks | |
| The Endocrine System | 4 marks | 2 marks | 6 marks | |
| The Reproduction System | 4 marks | 4 marks | 8 marks | |
| Unit 4 (Excluded) | Human Evolution | Nil | Nil | Nil |
| Unit 5 (06 Marks) | Population | 4 marks | 2 marks | 6 marks |
| Unit 6 (08 Marks) | Pollution | 5 marks | 3 marks | 8 marks |
Excluded Topics:
1. Diagram representation of the Carbon Cycle from Unit 2 (Photosynthesis).
2. A brief idea of the feedback mechanism with respect to TSH from Unit 3 (Endocrine System).
3. Unit 4 (Human Evolution) has been completely excluded.
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