Class 10 Science
Previous Board Examination Question Paper – Set 4
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 gas is essential for respiration?
a) Carbon dioxide b) Nitrogen c) Oxygen d) Hydrogen
2. The functional unit of nervous system is:
a) Nephron b) Neuron c) Alveolus d) Axon
3. The SI unit of potential difference is:
a) Ampere b) Volt c) Ohm d) Watt
4. Which metal is used to coat iron to prevent rusting?
a) Copper b) Zinc c) Aluminium d) Tin
5. The image formed by a convex mirror is always:
a) Real and inverted b) Virtual and erect c) Real and erect d) Virtual and inverted
6. Which blood cells help in defence of the body?
a) RBC b) WBC c) Platelets d) Plasma
7. The gas released during respiration is:
a) Oxygen b) Nitrogen c) Carbon dioxide d) Hydrogen
8. Energy possessed by a body due to its position is called:
a) Kinetic energy b) Chemical energy c) Heat energy d) Potential energy
9. Which part of the eye controls the amount of light entering?
a) Retina b) Iris c) Cornea d) Lens
10. The pH value of a basic solution is:
a) Less than 7 b) Equal to 7 c) More than 7 d) Equal to 0
Section B – Very Short Answer
(2 × 5 = 10 Marks)
11. Define respiration.
12. Write the chemical formula of hydrated lime.
13. What is electric power?
14. What is fertilisation?
15. Name the hormone that controls metabolism.
Section C – Short Answer
(3 × 6 = 18 Marks)
16. Explain aerobic respiration.
17. Write three properties of acids.
18. State the laws of refraction of light.
19. Describe the structure of nephron with diagram.
20. Explain reflection of light.
21. What is non-renewable resource? Give examples.
Section D – Long Answer
(5 × 4 = 20 Marks)
22. Explain the process of respiration in human beings.
23. Describe reproduction in flowering plants.
24. Derive the formula for electric power.
25. Explain the defects of vision with ray diagrams.
Section E – Case Study Based Questions
(4 × 3 = 12 Marks)
26. A student noticed that iron tools rust when kept in open air.
a) Name the process.
b) Mention two factors responsible for it.
c) Suggest one method to prevent it.
Shaktimatha CBSE Learning
Class 10 Science – Previous Board Exam Question Paper (Set 4)
⬅️ 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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