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Class 7 Exam > Class 7 Notes > Sample Papers For Class 7 > Class 7 Science: Sample Paper - 5

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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 treat acidic soil? (1 Mark)
(a) Vinegar
(b) Lime
(c) Lemon juice
(d) Sulphuric acid

Q2. What is the purpose of an earth wire in circuits? (1 Mark)
(a) Conducts current
(b) Prevents shock
(c) Generates power
(d) Measures current

Q3. Which non-metal is used in water purification? (1 Mark)
(a) Carbon
(b) Chlorine
(c) Sulphur
(d) Phosphorus

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

Q5. What is the role of the pituitary gland in adolescence? (1 Mark)
(a) Produces insulin
(b) Controls growth
(c) Regulates digestion
(d) Produces sweat

Q6. Which colour reflects the least heat? (1 Mark)
(a) Black
(b) White
(c) Red
(d) Blue

Q7. What is the SI unit of distance? (1 Mark)
(a) Kilogram
(b) Metre
(c) Second
(d) Newton

Section – B

Q8. What is an alkali? (2 Marks)

Q9. What is a resistor in a circuit? (2 Marks)

Q10. Name two uses of non-metals. (2 Marks)

Q11. What is a precipitation reaction? (2 Marks)

Q12. What is the importance of hydration in adolescence? (2 Marks)

Q13. What is a poor conductor of heat? (2 Marks)

Q14. What is an odometer? (2 Marks)

Q15. What is the function of the diaphragm in breathing? (2 Marks)

Q16. What is the role of xylem in plants? (2 Marks)

Q17. What is a real image? (2 Marks)

Section – C

Q18. How is turmeric used as an indicator? (3 Marks)

Q19. What is the role of a battery in a circuit? (3 Marks)

Q20. How do metals react with water? (3 Marks)

Q21. What is a combination reaction? (3 Marks)

Q22. Why is mental health important in adolescence? (3 Marks)

Q23. How does a laboratory thermometer differ from a clinical thermometer? (3 Marks)

Q24. How is distance measured for a curved path? (3 Marks)

Q25. What is the role of the lungs in respiration? (3 Marks)

Q26. How does phloem function in plants? (3 Marks)

Q27. What is the use of a convex mirror? (3 Marks)

Q28. What are the phases of the Moon? (3 Marks)

Section – D

Q29. (a) What is transpiration in plants?
(b) Explain its process.
(c) Why is it important? (5 Marks)

Q30. (a) What are organic acids?
(b) Explain their properties.
(c) Why are they used in food? (5 Marks)

Q31. (a) What is an MCB?
(b) Explain its working.
(c) Why is it preferred over a fuse? (5 Marks)

Q32. (a) What is a decomposition reaction?
(b) Explain types with examples.
(c) Why is it important? (5 Marks)

Q33. (a) What is the role of the adrenal gland in adolescence?
(b) Explain its hormones.
(c) Why are they important? (5 Marks)

Q34. (a) What is a clinical thermometer?
(b) Explain its working.
(c) Draw a labelled diagram. (5 Marks)

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FAQs on Class 7 Science: Sample Paper - 5 - 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 topics, including the structure and function of living organisms, the physical and chemical properties of matter, the principles of energy and forces, and the basics of environmental science. Other areas of focus may include human body systems, ecosystems, the classification of materials, and the impact of human activities on the environment.

2. How can students effectively prepare for their Class 7 Science exams?

Ans. To prepare effectively for Class 7 Science exams, students should start by reviewing their syllabus and understanding the key concepts. Regular revision of notes, practicing sample papers, and taking mock tests can help reinforce learning. Additionally, students should engage in group study sessions for discussions, conduct experiments where possible, and utilize educational resources such as videos and online quizzes for better comprehension.

3. What types of questions can be expected in Class 7 Science exams?

Ans. Class 7 Science exams generally include a mix of multiple-choice questions, short answer questions, and descriptive questions. Students may be asked to explain scientific concepts, solve numerical problems, label diagrams, or analyze data. Practical-based questions may also be included to assess students' understanding of experiments and observations.

4. Why is practical work important in Class 7 Science?

Ans. Practical work in Class 7 Science is crucial as it helps students to apply theoretical knowledge in real-world situations. It enhances understanding through hands-on experience, fosters critical thinking, and encourages curiosity about scientific phenomena. Conducting experiments also develops skills such as observation, measurement, and data analysis, which are essential for scientific inquiry.

5. How can students improve their understanding of difficult science concepts?

Ans. Students can improve their understanding of difficult science concepts by seeking help from teachers or peers when needed. Utilizing additional resources such as textbooks, educational websites, and interactive simulations can provide different perspectives on the material. Engaging in discussions, asking questions, and relating concepts to everyday life can also aid in better comprehension and retention.

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Oct 06, 2025 Last updated

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