CBSE CLASS 10 SCIENCE ASSERTION REASON QUESTIONS
"Master Conceptual Understanding Through Assertion-Reason Practice"
This comprehensive collection of CBSE Class 10 Science Assertion-Reason questions covers all chapters from the NCERT syllabus with carefully selected questions. Each chapter contains AR questions ranging from basic to advanced level, including previous year board exam questions. Develop your analytical skills and conceptual clarity with these practice questions designed specifically for CBSE board exam preparation.
How to Approach Assertion-Reason Questions:
- First evaluate if the Assertion statement is true or false
- Then evaluate if the Reason statement is true or false
- Determine if the Reason correctly explains the Assertion
- Remember - both statements must be true AND the reason must correctly explain the assertion
- Practice identifying common patterns in AR questions
1. Chemical Reactions and Equations
20 AR Questions | Types of reactions, balancing equations, oxidation-reduction
2. Acids, Bases and Salts
18 AR Questions | pH scale, indicators, neutralization, preparation of salts
3. Metals and Non-metals
22 AR Questions | Properties, reactivity series, extraction, corrosion
4. Carbon and its Compounds
20 AR Questions | Covalent bonding, hydrocarbons, functional groups, soaps
5. Periodic Classification of Elements
15 AR Questions | Mendeleev's table, modern periodic table, trends
6. Life Processes
25 AR Questions | Nutrition, respiration, transportation, excretion
7. Control and Coordination
20 AR Questions | Nervous system, hormones, plant movements
8. How do Organisms Reproduce
18 AR Questions | Asexual reproduction, sexual reproduction, human reproduction
9. Heredity and Evolution
20 AR Questions | Mendel's laws, sex determination, evolution theories
10. Light - Reflection and Refraction
22 AR Questions | Mirrors, lenses, laws of reflection and refraction
11. Human Eye and Colourful World
18 AR Questions | Eye structure, defects, dispersion, atmospheric phenomena
12. Electricity
25 AR Questions | Circuits, Ohm's law, resistance, power, heating effect
13. Magnetic Effects of Electric Current
20 AR Questions | Electromagnetism, Fleming's rules, electric motor, generator
14. Sources of Energy
15 AR Questions | Conventional and non-conventional sources, environmental impact
15. Our Environment
18 AR Questions | Ecosystems, food chains, waste management
16. Management of Natural Resources
15 AR Questions | Conservation, sustainable development, water and forest resources
CBSE AR Strategy
"Focus on understanding the relationship between concepts - this is key for assertion-reason questions in board exams."
Science AR Tip
"Chemical Reactions and Life Processes chapters have the highest weightage in Class 10 Science AR questions."