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Class 7 Exam > Class 7 Notes > Sample Papers For Class 7 > Class 7 Science: Sample Paper - 4

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Table of contents
Section - A
Section - B
Section - C
Section - D

Time: 3 Hours
Total Marks: 80

General Instructions

This question paper consists of 34 questions in total and all questions are compulsory.

Questions 1-7 are multiple-choice questions and carry 1 mark each. Write the correct answer in your answer sheet.
Questions 8-17 are very short answer questions and carry 2 marks each.
Questions 18-28 are short answer questions and carry 3 marks each.
Questions 29-34 are long answer questions and carry 5 marks each.

Section - A

Q1. Which substance is used to neutralise bee sting pain? (1 Mark)
(a) Vinegar
(b) Baking soda
(c) Lemon juice
(d) Sugar solution

Q2. What is the function of a switch in a circuit? (1 Mark)
(a) Conducts current
(b) Breaks circuit
(c) Generates electricity
(d) Measures voltage

Q3. Which non-metal is essential for breathing? (1 Mark)
(a) Carbon
(b) Sulphur
(c) Oxygen
(d) Nitrogen

Q4. What type of change is rusting of iron? (1 Mark)
(a) Physical
(b) Chemical
(c) Reversible
(d) Temporary

Q5. What causes increased sweating in adolescence? (1 Mark)
(a) Muscle growth
(b) Active sweat glands
(c) Bone growth
(d) Hair growth

Q6. Which surface reflects light regularly? (1 Mark)
(a) Rough
(b) Smooth
(c) Uneven
(d) Dull

Q7. What is the time period of Earth’s rotation? (1 Mark)
(a) 365 days
(b) 24 hours
(c) 12 hours
(d) 1 month

Section - B

Q8. What is a base? (2 marks)

Q9. What is a conductor in electricity? (2 marks)

Q10. Name two physical properties of metals. (2 marks)

Q11. What is a chemical change? (2 marks)

Q12. What is the role of exercise in adolescence? (2 marks)

Q13. What is convection in liquids? (2 marks)

Q14. What is a speedometer? (2 marks)

Q15. What is the function of arteries? (2 marks)

Q16. What is heterotrophic nutrition? (2 marks)

Q17. What is a virtual image? (2 marks)

Section - C

Q18. How is litmus used to test acids? (3 marks)

Q19. What is the role of insulators in circuits? (3 marks)

Q20. How do metals react with acids? (3 marks)

Q21. What is a neutralisation reaction? (3 marks)

Q22. What is the importance of sleep in adolescence? (3 marks)

Q23. How does a clinical thermometer work? (3 marks)

Q24. How is time measured using a pendulum? (3 marks)

Q25. What is the role of veins in circulation? (3 marks)

Q26. How do leaves help in transpiration? (3 marks)

Q27. What is the difference between convex and concave lenses? (3 marks)

Q28. What is the shape of the Moon’s orbit around Earth? (3 marks)

Section - D

Q29. (a) What is the role of stomata in plants?
(b) Explain their function in gas exchange.
(c) Draw a labelled diagram of stomata. (5 marks)

Q30. (a) What are mineral acids?
(b) Explain their properties.
(c) Why are they used industrially? (5 marks)

Q31. (a) What is an electric circuit?
(b) Explain its components.
(c) Draw a labelled diagram of a simple circuit. (5 marks)

Q32. (a) What is corrosion?
(b) Explain methods to prevent it.
(c) Why is it harmful? (5 marks)

Q33. (a) What is the role of hormones in adolescence?
(b) Explain two hormones and their effects.
(c) Why are they important? (5 marks)

Q34. (a) What is the role of the Sun in the water cycle?
(b) Explain its effect on evaporation.
(c) Why is it important? (5 marks)

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FAQs on Class 7 Science: Sample Paper - 4 - Sample Papers For Class 7

1. What are the main topics covered in Class 7 Science?

Ans.Class 7 Science typically covers a variety of fundamental topics, including life processes, physical and chemical changes, the structure of matter, ecosystems, and the environment. It aims to build a foundational understanding of scientific principles and encourages curiosity about the natural world.

2. How can I effectively prepare for the Class 7 Science exam?

Ans.To prepare effectively, students should review their textbooks and class notes regularly, conduct experiments when possible, and engage in group discussions to clarify doubts. Practicing previous years' sample papers and quizzes can also help familiarize students with the exam format and types of questions that may be asked.

3. What types of questions are commonly asked in Class 7 Science exams?

Ans.Common types of questions include multiple-choice questions, short answer questions, and long answer questions that require explanations or diagrams. Students might also encounter practical-based questions that assess their understanding of experiments and scientific concepts.

4. Are diagrams important in Class 7 Science exams?

Ans.Yes, diagrams are often crucial in Class 7 Science exams. They help illustrate scientific concepts clearly and can earn students extra marks. Being able to label parts of a diagram accurately is also essential, as it demonstrates a thorough understanding of the topic.

5. How can I enhance my understanding of scientific concepts taught in Class 7?

Ans.Students can enhance their understanding by engaging with additional resources such as educational videos, interactive simulations, and science-related games. Participating in science fairs or clubs can provide practical experience, while discussions with peers or teachers can help clarify complex topics.

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Oct 06, 2025 Last updated

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