Class 10 Science
Previous Board Examination – Question Paper (Set 1)
Time: 3 Hours Maximum Marks: 80
General Instructions:
- All questions are compulsory.
- The question paper consists of Sections A, B, C, D and E.
- Use of calculator is not permitted.
- Draw neat and labelled diagrams wherever required.
Section A – MCQs
(1 × 20 = 20 Marks)
1. Which of the following is a renewable source of energy?
a) Coal b) Petroleum c) Wind d) Natural gas
2. The pH of pure water is:
a) 1 b) 5 c) 7 d) 9
3. The functional group of alcohol is:
a) –COOH b) –CHO c) –OH d) –CO–
4. The unit of electric current is:
a) Volt b) Ohm c) Ampere d) Watt
5. Which blood group is known as universal donor?
a) A b) B c) AB d) O
Section B – Very Short Answer
(2 × 5 = 10 Marks)
6. Define electric current.
7. What is meant by corrosion?
8. Name the pigment responsible for photosynthesis.
9. Write the chemical formula of washing soda.
10. What is the function of alveoli?
Section C – Short Answer
(3 × 6 = 18 Marks)
11. State Ohm’s Law.
12. What is homologous series? Give one example.
13. Explain the process of transpiration.
14. Write any three properties of acids.
15. What is double circulation? Why is it important?
16. Define refraction of light. Give one example.
Section D – Long Answer
(5 × 4 = 20 Marks)
17. Explain the process of electrolysis with a neat diagram.
18. Describe the extraction of metals from their ores.
19. Explain the human heart with a labelled diagram.
20. State and explain the laws of reflection of light.
Section E – Case Study Based
(4 × 3 = 12 Marks)
21. Ramesh observed that iron objects kept in open air get rusted.
a) Name the phenomenon.
b) Mention two factors responsible for it.
c) Suggest two methods to prevent it.
Shaktimatha CBSE Learning
Class 10 Science – Previous Board Exam Question Paper (Set 1)
⬅️ Back to Class 10 Science Library
🔬 Class 10 Science – Previous Board Question Papers & Full Answers
This complete library is designed for Class 10 CBSE students to practise previous board exam papers and learn how to write perfect answers in Physics, Chemistry, and Biology.
📝 Previous Board Question Papers
- Question Paper – Set 1
- Question Paper – Set 2
- Question Paper – Set 3
- Question Paper – Set 4
- Question Paper – Set 5
✍️ Full Answers (Student Writing Style)
- Full Answers – Set 1
- Full Answers – Set 2
- Full Answers – Set 3
- Full Answers – Set 4
- Full Answers – Set 5
📚 Additional Board Sets (Practice)
- Additional Question Paper – Set 1A
- Additional Full Answers – Set 1A
- Additional Question Paper – Set 2A
- Additional Full Answers – Set 2A
- Additional Question Paper – Set 3A
- Additional Full Answers – Set 3A
✔ First attempt the question paper on your own
✔ Then compare with full answers
✔ Observe diagrams, keywords, and steps
✔ Practise again to improve speed and accuracy
Prepared with dedication by Shaktimatha Learning ✨
Clear concepts • Exam confidence • Board success
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