PECTAA 2026 Syllabus

Class 9 Β· Physics

Chapter 9: Nature of Science

Multiple Choice Questions β€” with answer key and explanations

✍️ Prepared by Muhammad Tayyab

🏫 Subject Specialist Physics | Govt Christian High School Daska

πŸ“˜ Chapter 9: Nature of Science – Multiple Choice Questions

Prepared by Muhammad Tayyab, Subject Specialist Physics, Govt Christian High School Daska. Based on PECTAA 2026 syllabus (National Curriculum 2023).

πŸ“– What's Inside: This section covers multiple choice questions from Chapter 9 Nature of Science including Physics as a branch of science, Role of Physics in technology, Automobile technology, Information technology, Thermodynamics, Scientific method, Prediction, Investigation methods, Hypothesis, Data analysis, and Observation. Each question includes an answer key and detailed explanation as per the official PECTAA 2026 Physics curriculum.

⬇️ Download PDF (Multiple Choice Questions)

πŸ“š Related Resources – Chapter 9: Nature of Science

πŸ“‘ Quick Jump to MCQs

βœ… Multiple Choice Questions & Answer Key (PECTAA 2026)

9.1 Physics is a branch of:
βœ… Correct Answer: (C) Physical science
Physics is an important and basic part of physical sciences.
9.2 Which branch of science plays vital role in technology and engineering?
βœ… Correct Answer: (D) Physics
Physics plays a vital role being the core of each invention based on physical laws and principles.
9.3 Automobile technology is based on:
βœ… Correct Answer: (D) thermodynamics
Automobile technology is based on the principles of thermodynamics.
9.4 A user friendly software application of smart phone use:
βœ… Correct Answer: (B) information technology
A software programme of information technology.
9.5 The working of refrigeration and air conditioning involves:
βœ… Correct Answer: (D) thermodynamics
Refrigeration and air conditioning involve thermal energy transfer.
9.6 What is the ultimate truth of a scientific method?
βœ… Correct Answer: (D) Law
When a theory has been tested many times and generally accepted as true, it is called a law.
9.7 The statement "If I do not study for this test, then I will not get good grade" is an example of:
βœ… Correct Answer: (C) prediction
After the careful analysis of a theory, we can make predictions about certain unknown aspects of nature.
9.8 Which of the following are methods of investigation?
βœ… Correct Answer: (D) All of these
Observation, experimentation, and research are all methods of investigation.
9.9 A hypothesis:
βœ… Correct Answer: (D) all of these
It must be testable and is tested through experiments to collect evidence.
9.10 A graph of an organized data is an example of:
βœ… Correct Answer: (D) analyzing data
Record, organize and analyze gathered data, plotting and interpreting graphs.
9.11 The colour of a door is brown. It is an example of:
βœ… Correct Answer: (A) observation
The first step in scientific method is to make observations.

πŸ“Š Answer Key Summary

9.1 C
9.2 D
9.3 D
9.4 B
9.5 D
9.6 D
9.7 C
9.8 D
9.9 D
9.10 D
9.11 A

πŸ“ Key Concepts – Nature of Science (MCQs)

Physics: Branch of Physical Science
Automobile Technology: Based on Thermodynamics
Investigation Methods: Observation, Experimentation, Research
Hypothesis: Testable, possible answer to a question
Scientific Method: Observation β†’ Hypothesis β†’ Experiment β†’ Theory β†’ Law

πŸ’‘ Exam Tip:

For multiple choice questions, read each option carefully. Pay attention to key concepts like Physics as a physical science, its role in technology, thermodynamics applications, scientific method steps, hypothesis, prediction and observation. These questions follow the PECTAA 2026 pattern and are prepared by Subject Specialist Muhammad Tayyab.

πŸ“– Complete syllabus coverage for Class 9 Physics (PECTAA 2026) – Chapters 1 to 9

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