WILLER ACADEMY

CBSE Class 10 Science Mock Test – Set 1

Empowering Future Achievers

1. Which of the following is a greenhouse gas? a) Oxygen (O₂) b) Nitrogen (N₂) c) Carbon dioxide (CO₂) d) Helium (He)

2. Which law states "Current through a conductor is directly proportional to the voltage across it"? a) Ohm's Law b) Newton's Law c) Faraday's Law d) Kepler's Law

3. Why do we see a rainbow only after rain? (2 marks)

4. Explain the importance of charts and graphs in data analysis. (2 marks)

5. Write any two differences between physical and chemical change. (2 marks)

6. Write a short note on 'Human Brain'. (2 marks)

7. Give one use each of convex and concave lens. (2 marks)

8. What is the role of mitochondria in a cell? (2 marks)

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