Class 10 Science
Previous Board Examination Question Paper – Set 2
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 component of blood helps in clotting?
a) RBC b) WBC c) Platelets d) Plasma
2. Which metal is used for galvanisation?
a) Copper b) Zinc c) Iron d) Aluminium
3. The focal length of a plane mirror is:
a) Zero b) Infinity c) Equal to radius d) 1 cm
4. The SI unit of electric power is:
a) Joule b) Watt c) Volt d) Ampere
5. Which hormone is secreted by thyroid gland?
a) Insulin b) Thyroxine c) Adrenaline d) Growth hormone
6. The chemical formula of bleaching powder is:
a) CaOCl₂ b) CaCl₂ c) NaOCl d) Ca(OH)₂
7. Which part of the plant conducts food?
a) Xylem b) Phloem c) Cambium d) Cortex
8. The energy stored in a stretched rubber band is:
a) Kinetic energy b) Chemical energy c) Potential energy d) Heat energy
9. Which mirror is used in solar cooker?
a) Plane b) Convex c) Concave d) Cylindrical
10. Which gas causes acid rain?
a) Oxygen b) Nitrogen c) Sulphur dioxide d) Hydrogen
Section B – Very Short Answer
(2 × 5 = 10 Marks)
11. What is transpiration?
12. Write the chemical name of baking soda.
13. Define electric current.
14. What is heredity?
15. Name the plant hormone responsible for growth.
Section C – Short Answer
(3 × 6 = 18 Marks)
16. Explain the function of heart.
17. Write three properties of bases.
18. State Ohm’s law with diagram.
19. Describe the structure of heart with diagram.
20. Explain the dispersion of light.
21. What is non-biodegradable waste? Give examples.
Section D – Long Answer
(5 × 4 = 20 Marks)
22. Explain transportation in human beings.
23. Describe reproduction in human beings.
24. Derive the formula for electric current.
25. Explain the defects of vision and their correction.
Section E – Case Study Based Questions
(4 × 3 = 12 Marks)
26. A student observed that plants lose water through their leaves.
a) Name the process.
b) Which part of leaf is involved?
c) State one factor affecting this process.
Shaktimatha CBSE Learning
Class 10 Science – Previous Board Exam Question Paper (Set 2)
⬅️ 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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