ICSE Class 10 Biology — Important Questions 2026
Most important questions for ICSE Class 10 Biology board exam 2026. Chapter-wise questions with marking scheme and expected topics.
Quick Summary
This page covers the most important questions for ICSE Class 10 Biology board exam 2026, based on previous year question papers and expected topics. Focus on these for maximum marks.
How to Use Important Questions
- Start with high-weightage chapters — focus on chapters that carry the most marks in the exam.
- Practice writing answers — don't just read; write out answers within the time limit to build speed.
- Cross-reference with syllabus — ensure every chapter is covered by checking the syllabus page.
- Revise with notes — after practising, use revision notes for quick recap before the exam.
Chapter-Wise Important Questions — 16 Chapters
Focus on high-weightage chapters first. Each chapter below lists the types of questions frequently asked in ICSE board exams.
The Cell
45 questionsWhich organelles are involved in protein synthesis? (Select all correct answers)
Lysosomes are called 'suicide bags' because they:
Which of the following are functions of the cell membrane? (Select all correct answers)
The nucleus controls all cell activities.
+41 more questions — practice in Super Tutor
Cell Division
45 questionsWhich phases are included in interphase?
Which of the following are functions of mitosis?
Which is the longest phase of mitosis?
During which phase of mitosis do chromosomes align at the equator?
+41 more questions — practice in Super Tutor
Genetics
45 questionsWhich of the following are reasons why Mendel selected garden pea for his experiments?
Which nitrogenous bases are purines in DNA?
In humans, which parent determines the sex of the child?
What is the phenotypic ratio in F2 generation of a monohybrid cross?
+41 more questions — practice in Super Tutor
13 more chapters available
Get chapter-wise important questions with practice tests for all 16 chapters
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Where can I find ICSE Class 10 Biology Important Questions?
This page provides important questions for ICSE Class 10 Biology for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.
Is ICSE Class 10 Biology easy to score in?
Biology is one of the scoring subjects in ICSE Class 10 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.
How to prepare for ICSE Class 10 Biology board exam?
Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.
How many questions come from each chapter in ICSE Class 10 Biology?
The question paper distribution varies each year, but certain chapters consistently carry more marks. Check the marks distribution section above for chapter-wise weightage based on previous year patterns.
Browse Important Questions by Chapter
16 chapters available
More Biology Resources
ICSE Class 10
Syllabus
Complete topic list and marks distribution
Revision Notes
Key formulas, concepts, and quick revision points
Study Plan
Day-by-day preparation schedule
Flashcards
Quick-fire cards for active recall practice
Formula Sheet
Every formula you need in one place
Chapter Summary
Understand each chapter at a glance
Practice Quiz
Test yourself with interactive quizzes
Concept Maps
Visual diagrams showing how topics connect
NCERT Solutions
Every textbook exercise solved step by step