Class 10 Science
Previous Board Examination – Question Paper (Set 3)
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 is used to control current in an electric circuit?
a) Ammeter b) Voltmeter c) Rheostat d) Fuse
2. The pH value of an acidic solution is:
a) More than 7 b) Equal to 7 c) Less than 7 d) Zero
3. Which hormone regulates growth in human beings?
a) Thyroxine b) Insulin c) Growth hormone d) Adrenaline
4. The SI unit of power is:
a) Joule b) Watt c) Volt d) Ampere
5. Which metal is used for galvanisation?
a) Iron b) Copper c) Zinc d) Aluminium
Section B – Very Short Answer
(2 × 5 = 10 Marks)
6. Define resistance.
7. What is an indicator?
8. Name the part of the brain that controls balance.
9. Write the chemical formula of plaster of Paris.
10. What is pollination?
Section C – Short Answer
(3 × 6 = 18 Marks)
11. Define electric power. Write its formula.
12. What is oxidation? Explain with an example.
13. Describe the process of fertilisation in human beings.
14. Write any three properties of bases.
15. What is a reflex arc? Draw a neat labelled diagram.
16. Define principal focus of a concave mirror.
Section D – Long Answer
(5 × 4 = 20 Marks)
17. Explain Ohm’s Law with a neat circuit diagram.
18. Describe the properties and uses of ethanol.
19. Explain the process of transportation in human beings.
20. Describe the formation of image by a convex lens with ray diagram.
Section E – Case Study Based
(4 × 3 = 12 Marks)
21. Seema noticed that acid spills on marble floors cause damage.
a) Name the chemical present in marble.
b) Write the reaction between acid and marble.
c) Suggest one method to prevent such damage.
Shaktimatha CBSE Learning
Class 10 Science – Previous Board Exam Question Paper (Set 3)
⬅️ 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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