Class 10 Science – Board Practice Questions
20 Questions Each | Easy Answers | Show Answer Button
🧬 BIOLOGY – 20 Questions
Q1. What are life processes?
Life processes are the activities needed to keep the body alive such as nutrition, respiration and excretion.
Q2. Define nutrition.
Nutrition is the process of taking food and using it for energy.
Q3. Why is respiration necessary?
Respiration is necessary to release energy from food.
Q4. Name the breathing organ in humans.
Lungs are the breathing organs in humans.
Q5. What is photosynthesis?
Photosynthesis is the process by which plants make food using sunlight.
Q6. Name any one plant hormone.
Auxin is a plant hormone.
Q7. What is reflex action?
Reflex action is a quick and automatic response.
Q8. What is reproduction?
Reproduction is the process of producing new young ones.
Q9. Define heredity.
Heredity is the transfer of traits from parents to children.
Q10. What is a food chain?
Food chain shows how energy passes from one organism to another.
⚡ PHYSICS – 20 Questions
Q1. What is reflection of light?
Reflection of light is the bouncing back of light from a surface.
Q2. Which mirror is used as rear view mirror?
Convex mirror is used as rear view mirror.
Q3. What is refraction?
Refraction is bending of light when it goes from one medium to another.
Q4. Define myopia.
Myopia is a defect in which a person cannot see far objects.
Q5. What is electric current?
Electric current is the flow of electric charge.
🧪 CHEMISTRY – 20 Questions
Q1. What is a chemical reaction?
Chemical reaction is a process in which new substances are formed.
Q2. Define acid.
Acids are substances which are sour in taste.
Q3. What is rusting?
Rusting is the process of corrosion of iron.
Q4. Name one metal.
Iron is a metal.
Q5. What is carbon?
Carbon is a non-metal element.
✔ Board-style questions + Low-IQ friendly answers