Telangana Open School (TOSS) Class 12 Biology — Important Questions 2026
Most important questions for Telangana Open School (TOSS) Class 12 Biology board exam 2026. Chapter-wise questions with marking scheme and expected topics.
Quick Summary
This page covers the most important questions for Telangana Open School (TOSS) Class 12 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 — 41 Chapters
Focus on high-weightage chapters first. Each chapter below lists the types of questions frequently asked in Telangana Open School (TOSS) board exams.
Origin and Evolution of Life and Introduction to Classification
43 questionsWhat were the first forms of life on Earth?
Which experiment simulated early Earth conditions to produce organic molecules?
What are the building blocks of proteins?
Which of the following is a vestigial organ in humans?
+39 more questions — practice in Super Tutor
Reproduction in Animals
43 questionsWhat is the function of the epididymis?
Which part of the sperm contains the acrosome?
Which of the following glands is NOT an accessory gland in males?
What is the primary function of seminal fluid?
+39 more questions — practice in Super Tutor
The Kingdom Monera, Protista and Fungi
48 questionsWhich kingdom includes protozoa and diatoms?
Which of the following is a fungus used in baking?
True or False: All bacteria are harmful to humans.
Which of the following is a characteristic of cyanobacteria?
+44 more questions — practice in Super Tutor
38 more chapters available
Get chapter-wise important questions with practice tests for all 41 chapters
Try Super Tutor — It's FreeGet chapter-wise help for Telangana Open School (TOSS) Class 12 Biology
Super Tutor gives you detailed chapter summaries, revision notes, practice quizzes, and flashcards — all tailored to the Telangana Open School (TOSS) syllabus.
Try Super Tutor — It's FreeFrequently Asked Questions
Where can I find Telangana Open School (TOSS) Class 12 Biology Important Questions?
This page provides important questions for Telangana Open School (TOSS) Class 12 Biology for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.
Is Telangana Open School (TOSS) Class 12 Biology easy to score in?
Biology is one of the scoring subjects in Telangana Open School (TOSS) Class 12 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 Telangana Open School (TOSS) Class 12 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 Telangana Open School (TOSS) Class 12 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
41 chapters available
Origin and Evolution of Life and Introduction to Classification
Reproduction in Animals
The Kingdom Monera, Protista and Fungi
Reproduction in Plants
Tools and Techniques Used in Biology
Kingdom Planate and Animalia
Growth and Development in Plants
General Laboratory Equipment
Mendel Experiments
Preservatives, Stains and Reagents
Cell Structure and Function
Sex Determination
Organisms Used in Laboratory Work
External Morphology - Plants
Genetics and Heredity
Aids in Biology
Plant Tissues and Animal Tissues
Molecular Inheritance and Gene Expression
Anatomy - Root & Shoot
Genetics and Society
Absorption, Transport and Water Loss in Plants
Principles of Ecology
Mineral Nutrition
Conservation and Use of Natural Resources
Nitrogen Metabolism
Pollution
Photosynthesis
Human Diseases
Cellular Respiration in Plants
Biotechnology
Nutrition and Digestion
Immunobiology
Respiration and Elimination of Nitrogenous Wastes
Crop Improvement / Plant Breeding
Circulation of Body Fluids
Hurticulture, Mushroom Culture and Hydroponics
Coordination and Control
Plant Tissue Culture
Homeostasis
Agriculture, Forestry and Medical Plants
Fisheries and Aquaculture
More Biology Resources
Telangana Open School (TOSS) Class 12
Practice Quiz
Test yourself with interactive quizzes
Revision Notes
Key formulas, concepts, and quick revision points
Formula Sheet
Every formula you need in one place
Chapter Summary
Understand each chapter at a glance
Concept Maps
Visual diagrams showing how topics connect
Study Plan
Day-by-day preparation schedule
Flashcards
Quick-fire cards for active recall practice
Syllabus
Complete topic list and marks distribution
NCERT Solutions
Every textbook exercise solved step by step