CBSE Class 7 Science Sample Paper Set 2 — Free PDF
Interactive science sample paper covering nutrition, digestion, respiration, transportation, and life processes. Explore concepts about plants and animals
TL;DR: Interactive science sample paper covering nutrition, digestion, respiration, transportation, and life processes. Explore concepts about plants and ani…
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Interactive science sample paper covering nutrition, digestion, respiration, transportation, and life processes. Explore concepts about plants and animals with diagrams and clear explanations. This is a shortened practice set: 33 questions worth 70 marks, following the 80-mark CBSE paper pattern. Use it for timed practice, not as a full-length mock.
Board: CBSE · Class: Class 7 · Subject: Science · Total: 70 marks · Time: 2.5 hours
Section A - Multiple Choice Questions — 15 marks
Attempt all questions. Each question carries 1 mark.
Q1. Which nutrient is required for the growth of our body? (1 mark)
Answer: Protein
Q2. The process by which plants prepare their own food is? (1 mark)
Answer: Photosynthesis
Q3. The SI unit of speed is? (1 mark)
Answer: m/s
Q4. Which organ carries oxygen-rich blood from lungs to the body? (1 mark)
Answer: Artery
Q5. The basic unit of life is? (1 mark)
Answer: Cell
Q6. Which part of plant absorbs water from soil? (1 mark)
Answer: Root
Q7. The breathing organ in fish is? (1 mark)
Answer: Gill
Q8. What is the SI unit of force? (1 mark)
Answer: Newton
Q9. Which is a non-renewable resource? (1 mark)
Answer: Coal
Q10. The process of breakdown of food into simpler substances is? (1 mark)
Answer: Digestion
Q11. Which type of lens is used in a microscope? (1 mark)
Answer: Convex lens
Q12. Temperature of human body is approximately? (1 mark)
Answer: 37 degrees Celsius
Q13. The xylem in plants transports? (1 mark)
Answer: Water and minerals
Q14. Which food group provides energy to our body? (1 mark)
Answer: Carbohydrates
Q15. Friction acts in which direction? (1 mark)
Answer: Opposite to direction of motion
Section B - Short Answer Questions — 27 marks
Attempt all questions. Each question carries 2 or 3 marks.
Q1. Explain the process of photosynthesis. (2 marks)
Answer: Plants use sunlight to convert CO2 and water into glucose and oxygen
Q2. What are the different types of teeth in humans? Write their functions. (3 marks)
Answer: Incisors: cutting, Canines: tearing, Molars: grinding food
Q3. Describe the process of digestion in the human body. (3 marks)
Answer: Breakdown of food in mouth, stomach, and small intestine, absorption in small intestine
Q4. What is the role of white blood cells in our body? (2 marks)
Answer: Fight infections and protect body from diseases
Q5. Explain the process of respiration. (2 marks)
Answer: Breakdown of glucose to release energy in the form of ATP
Q6. How do plants reproduce? Write two methods. (2 marks)
Answer: Sexual reproduction: by seeds, Asexual: by vegetative propagation
Q7. What is the difference between speed and velocity? (2 marks)
Answer: Speed is distance per unit time, Velocity is displacement per unit time
Q8. Name different types of friction. (2 marks)
Answer: Static, sliding, rolling friction
Q9. What is a simple machine? Give examples. (3 marks)
Answer: Device that makes work easier, Examples: lever, pulley, inclined plane
Q10. Explain the water cycle. (2 marks)
Answer: Evaporation, condensation, precipitation, collection - continuous cycle
Q11. What are the constituents of soil? (2 marks)
Answer: Organic matter, minerals, water, air, living organisms
Q12. How do animals adapt to their habitat? (2 marks)
Answer: Physical adaptations and behavioral adaptations help survival
Section C - Long Answer Questions — 28 marks
Attempt all questions. Each question carries 4 or 5 marks.
Q1. Describe the structure of human heart with a diagram and explain blood circulation. (5 marks)
Answer: Four chambers, blood flow path: right atrium, right ventricle, lungs, left atrium, left ventricle, body
Q2. Explain the life cycle of insects with example of butterfly. (5 marks)
Answer: Egg, Larva, Pupa, Adult - complete metamorphosis in butterflies
Q3. Describe the structure and function of plant cell with labeled diagram. (5 marks)
Answer: Cell wall, Cell membrane, Nucleus, Mitochondria, Chloroplasts, Vacuole and their functions
Q4. Explain Newtons laws of motion with everyday examples. (5 marks)
Answer: First law: inertia (seatbelts), Second law: F=ma (acceleration), Third law: action-reaction
Q5. What are natural resources? How should they be used sustainably? (4 marks)
Answer: Natural resources are gifts of nature, use wisely to avoid depletion and environmental damage
Q6. Describe the process of excretion in humans. (4 marks)
Answer: Kidneys filter waste from blood, urine formation, storage in bladder, removal from body
FAQs
What topics are covered in Class 7 Science?
Nutrition, Digestion, Respiration, Blood circulation, Transport, Reproduction, Motion, Forces, Friction, Electricity, and Natural resources.
What is the exam pattern?
80 marks with 2.5 hours duration covering MCQ, short answer, and long answer questions.
How to draw scientific diagrams properly?
Use pencil, draw neat lines, label all parts clearly, use arrows to show direction of processes.
All sample papers → · Previous-year questions → · Chapter-wise MCQs →