ICSE 10th Biology Exam 2025: The Council for the Indian School Certificate Examinations (CISCE) conducted the ICSE Class 10 Biology Exam 2025 today, March 24, 2025. The exam began at 11:00 AM and concluded at 1:00 PM, lasting for 2 hours. Following the regular trends, we include a detailed exam analysis, including student reactions, teachers' feedback and difficulty level of questions. For students awaiting the answer key for today's exam paper, we have provided the ICSE Class 10 Biology Question Paper 2025 with the answer key. The answer key is drafted by subject experts and will help students evaluate their performance.
ICSE Class 10 Biology Topic-Wise Weightage Distribution 2025
The ISCE board does not assign specific marks weightage to individual chapters. However, based on the analysis of previous sample papers, we have provided the students an estimated weightage for each chapter.
| Unit/Topic | Subtopics | Estimated Marks | Remarks |
| 1. Basic Biology | Cell cycle, cell division, chromosome structure, genetics | 12 | Emphasis on Mendel's laws, cell division processes, and genetics terminology. |
| 2. Plant Physiology | Absorption, transpiration, photosynthesis, plant hormones | 16 | Key experiments (photosynthesis, transpiration) and plant adaptations are critical. |
| 3. Human Anatomy and Physiology | Circulatory, excretory, nervous, endocrine, reproductive systems | 28 | Detailed focus on diagrams, processes, and systems like heart, kidney, reflex arc, and hormonal roles. |
| 4. Population | Population explosion, control measures | 6 | Causes, effects, and methods of population control. |
| 5. Human Evolution | Theories of evolution, human ancestry | 6 | Concepts of natural selection, Lamarckism, and characteristics of human ancestors. |
| 6. Pollution | Types, sources, effects, control measures | 12 | Major focus on air, water, and noise pollution, climate effects, and waste management. |
ICSE Class 10 Biology Exam 2025: Difficulty Level
Based on initial feedback from students and teachers, the overall difficulty level of the ICSE Class 10 Biology Exam 2025 was moderate to difficult. Here's a breakdown of the paper's difficulty:
| Section | Difficulty Level | Remarks |
| Section A | Moderate | Most of the questions were based on the direct concepts in Biology. Some of the MCQs were tricky but they could be attempted easily with a little conceptual understanding. |
| Section B | Moderate to Difficult | If the students had a strong grasp of concepts, then it was easy for them to attempt the exam. However, some of the questions were time-consuming. |
ICSE Class 10 Biology Exam 2025: Student Reactions & Teachers' Feedback
Student Reactions
- The students found the paper to be balanced, covering all the important concepts as well.
- Many questions required proper writing with clarity but were manageable with thorough preparation.
- Diagram-based questions needed proper conceptual understanding to solve them.
Teachers' Feedback
Teachers who reviewed the ICSE Class 10 Biology Question Paper 2025 found it to be well-structured and aligned with the syllabus. As per the experts:
- The paper maintained a good balance of theory, numerical, and application-based questions.
- Questions tested the conceptual clarity and the analytical skills of the students.
- Most questions were from the prescribed syllabus, with some requiring in-depth understanding and interpretation.
- The overall difficulty level was comparable to previous years, making it well-balanced for the students.
ICSE Class 10 Biology Question Paper 2025 with Answer Key
Students eagerly waiting to cross-check their answers can download the ICSE Class 10 Biology Question Paper 2025 with Answer Key PDF from the link provided below. The answer key is prepared by subject experts and will help students estimate their scores accurately.
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