Class 9 Science Exam Paper
Duration: 3 Hours
Instructions:
- This question paper consists of four sections: Section A, Section B, Section C, and Section D.
- Section A contains multiple-choice questions. Choose the most appropriate answer and mark your choice on the answer sheet provided.
- Section B consists of short answer questions. Write your answers in the spaces provided.
- Section C contains long answer questions. Write your answers in the spaces provided.
- Section D includes practical-based questions. Write your answers in the spaces provided.
- All questions are compulsory.
- Write neatly and legibly.
Section A: Multiple Choice Questions (1 mark each)
Which of the following is not a primary color of light? a) Red b) Yellow c) Blue d) Green
What is the chemical symbol for sodium? a) So b) Na c) S d) No
Which of the following is a vector quantity? a) Temperature b) Mass c) Speed d) Force
What is the SI unit of electric current? a) Ampere b) Volt c) Ohm d) Coulomb
What is the process by which plants make their food? a) Respiration b) Transpiration c) Photosynthesis d) Fermentation
Which of the following is a non-metal? a) Iron b) Copper c) Oxygen d) Sodium
What is the chemical formula of sulfuric acid? a) H2SO4 b) HCl c) NaOH d) H2O
What happens to the image formed by a plane mirror when the distance of the object from the mirror increases? a) The image becomes smaller. b) The image becomes larger. c) The image remains the same size. d) The image disappears.
What is the SI unit of pressure? a) Pascal b) Newton c) Joule d) Watt
Which of the following is an example of a chemical change? a) Melting of ice b) Boiling of water c) Rusting of iron d) Dissolving salt in water
Section B: Short Answer Questions (2 marks each)
Define the term "force" and give its SI unit.
- Answer: _______________________________________________________
Explain the difference between evaporation and boiling.
- Answer: _______________________________________________________
Describe the structure of an atom according to the Bohr model.
- Answer: _______________________________________________________
Name the process by which plants lose water vapor through their leaves. How does it help in the upward movement of water in plants?
- Answer: _______________________________________________________
State the law of conservation of energy. Give an example to illustrate this law.
- Answer: _______________________________________________________
Define the term "acceleration" and give its SI unit.
- Answer: _______________________________________________________
What are the three states of matter? Describe the characteristics of each state with examples.
- Answer: _______________________________________________________
Explain the difference between speed and velocity. Give examples to support your answer.
- Answer: _______________________________________________________
Discuss the various types of simple machines. Provide examples of each type and explain how they make work easier.
- Answer: _______________________________________________________
Describe the structure and function of the respiratory system in humans.
- Answer: _______________________________________________________
Section C: Long Answer Questions (5 marks each)
Describe the process of digestion in humans. Include the role of enzymes and the functions of different organs involved in digestion.
- Answer: _______________________________________________________
Explain the difference between speed and velocity. Give examples to support your answer.
- Answer: _______________________________________________________
Discuss the various types of simple machines. Provide examples of each type and explain how they make work easier.
- Answer: _______________________________________________________
Describe the structure and function of the respiratory system in humans.
- Answer: _______________________________________________________
Explain the formation of shadows. How does the size and shape of a shadow change with the position of the object and the light source?
- Answer: _______________________________________________________
Define the term "reflection of light" and explain the laws of reflection with suitable diagrams.
- Answer: _______________________________________________________
