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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.
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 is a natural indicator? (1 marks)
(a) Phenolphthalein
(b) Methyl orange
(c) Turmeric
(d) Litmus

Q2. What is the magnetic effect of electric current? (1 marks)
(a) Heating
(b) Lighting
(c) Magnetism
(d) Chemical

Q3. Which non-metal is liquid at room temperature? (1 marks)
(a) Bromine
(b) Iodine
(c) Sulphur
(d) Phosphorus

Q4. What is a combination reaction? (1 marks)
(a) Decomposition
(b) Two substances form one
(c) Displacement
(d) Double displacement

Q5. Which gland produces insulin? (1 marks)
(a) Thyroid
(b) Adrenal
(c) Pancreas
(d) Pituitary

Q6. What is land breeze? (1 marks)
(a) From land to sea
(b) From sea to land
(c) High pressure
(d) Low pressure

Q7. What is oscillatory motion? (1 marks)
(a) Circular
(b) To and fro
(c) Straight
(d) Random

Section – B

Q8. What is an acid-base indicator? (2 marks)

Q9. What is a closed circuit? (2 marks)

Q10. Name two reactive metals. (2 marks)

Q11. What is decomposition reaction? (2 marks)

Q12. What is menstrual cycle? (2 marks)

Q13. What is insulation in heat transfer? (2 marks)

Q14. What is non-uniform motion? (2 marks)

Q15. What is haemoglobin? (2 marks)

Q16. What is parasitic nutrition? (2 marks)

Q17. What is a concave mirror? (2 marks)

Section – C

Q18. How do bases feel and taste? Give examples. (3 marks)

Q19. Explain Ohm’s law. (3 marks)

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

Q21. Explain double displacement reaction with example. (3 marks)

Q22. What are secondary sexual characteristics? (3 marks)

Q23. How does convection occur in air? (3 marks)

Q24. What is the time period of a pendulum? (3 marks)

Q25. Explain kidney function in excretion. (3 marks)

Q26. How do roots help in soil conservation? (3 marks)

Q27. What is lateral inversion? (3 marks)

Q28. What is lunar eclipse? (3 marks)

Section – D

Q29. (a) What is hypothesis? (5 marks)
(b) Explain scientific method steps.
(c) Give an example.

Q30. (a) What are strong and weak acids? (5 marks)
(b) Give examples.
(c) Explain uses.

Q31. (a) What is an electric bell? (5 marks)
(b) Explain working.
(c) Draw diagram.

Q32. (a) What is corrosion? (5 marks)
(b) Explain prevention.
(c) Give examples.

Q33. (a) What is voice change in adolescence? (5 marks)
(b) Explain for boys and girls.
(c) Role of hormones.

Q34. (a) What is temperature? (5 marks)
(b) Explain scales.
(c) How is heat different?

The document Class 7 Science: Sample Paper -3 is a part of Class 7 category.

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FAQs on Class 7 Science: Sample Paper -3

1. What are the fundamental concepts covered in Class 7 Science?

Ans. Class 7 Science typically covers various fundamental concepts including the structure of the cell, the diversity of living organisms, physical and chemical changes, the properties of matter, and the basics of ecosystems. Students learn about nutrition in plants and animals, the human body systems, motion and time, and the importance of natural resources, among other topics.

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

Ans. To prepare effectively for Class 7 Science exams, students should start by reviewing their class notes and textbooks thoroughly. Creating a study schedule that allocates time for each topic can help manage learning. Engaging in group study sessions, conducting experiments where possible, and practicing previous year’s question papers can also enhance understanding and retention of concepts.

3. What types of questions can I expect in Class 7 Science exams?

Ans. In Class 7 Science exams, students can expect a mix of question types including multiple-choice questions, short answer questions, and descriptive questions. Topics may include definitions, explanations of scientific concepts, diagram labeling, and problem-solving based on scientific principles. It is important for students to understand the concepts rather than just memorize information.

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

Ans. Practical work is crucial in Class 7 Science as it helps students to understand theoretical concepts through hands-on experience. Conducting experiments allows students to observe reactions and phenomena directly, reinforcing their learning. It also fosters critical thinking and encourages curiosity, which are essential skills in scientific inquiry.

5. How can students manage their time during the Class 7 Science exam?

Ans. Students can manage their time during the Class 7 Science exam by first reading through all the questions and prioritizing them based on difficulty. Allocating specific time limits for each section and sticking to them can help ensure that all questions are answered. Practicing with timed mock tests can also aid in developing effective time management skills during the actual exam.

About this Document

Sep 10, 2025 Last updated

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