Punjab 9th Physics Ch 9 Nature of Science Online Test Mcqs

Punjab Physics 9th Class: Chapter 9

Explore the foundation of scientific inquiry in Chapter 9: Nature of Science with our Punjab Board 9th Class Physics practice resources (New Syllabus 2025-26). This chapter covers the scientific method, branches of physics, interdisciplinary fields, role of physics in technology and society, and the relationship between science, technology, and engineering. Our New Pattern MCQs Online Test includes conceptual questions on hypothesis formation, theory vs law differences, and applications of physics in modern technology. The Short Questions with Answers section provides detailed explanations of scientific methodology, physics branches, and the impact of physics on human development. Practice regularly to develop critical thinking skills and excel in your Punjab Board Physics examinations with a strong understanding of scientific principles.

Punjab 9th Physics Ch 9 Nature of Science Online Test Mcqs (New Syllabus)

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1. What is the best definition of the term "theory," as it is used in science?

A theory is based on verifiable laws and can be proven true

A theory is a hypothesis that uses laws and observation to make an assumption

A theory is a comprehensive set of ideas explaining a phenomenon in nature

A theory is a guess or hunch about something that has occurred in nature

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2. Why do scientists develop a hypothesis before conducting research?

Hypotheses help a researcher decide which observations to record and which to ignore

It gives them direction on how to interpret the results of their research

Hypotheses give the researcher an outcome to shape their work around

It helps to predict outcomes and define the parameters of the research

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3. A user friendly software application of smart phone use:

Information technology

Electronic technology

Medical technology

Laser technology

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4. Which branch of science plays vital role in technology and engineering:

Geology

Chemistry

Biology

Physics

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5. What is the ultimate truth of a scientific method?

Experimentation

Hypothesis

Law

Theory

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6. Physics is a branch of:

Social science

Life science

Physical science

Biological science

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7. A hypothesis:

May or may not be testable

Is supported by evidence

Is a possible answer to a question

All of these

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8. Which branch of science plays an important role in engineering?

Biology

Chemistry

Life science

Physics

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9. Physics is one of the branches of:

Biological sciences

Physical sciences

Social science

Life science

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10. The branch of Physics that deals with the particles such as neutrons and protons:

Electricity

Solid State Physics

Nuclear Physics

Plasma Physics

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11. A graph of an organized data is an example:

Analyzing data

Asking question

Forming a hypothesis

Collecting data

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12. When studying how air conditioners cool your house, then it is:

Optics

Electromagnetism

Thermodynamics

Nuclear Physics

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13. Which of the following are methods of investigation?

Experimentation

All of these

Research

Observation

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14. The colour of a door is brown, is an example of:

Observation

Prediction

Law

Hypothesis

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15. The statement "If I do not study for this test, then I will not get good grade" is an example of:

Observation

Theory

Law

Prediction

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16. Which Statement below correctly identifies the difference between laws and theories?

Laws explain why phenomena exist, while theories explain how

Laws describe phenomena, while theories explain why phenomena exist

Laws are a statement of fact, while theories are statement of opinion

Laws are a prediction of phenomena, while theories are an explanation

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17. Automobile technology is based on:

Thermodynamics

Acoustics

Optics

Electromagnetism

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18. The working of refrigeration and air conditioning involves:

Thermodynamics

Electromagnetism

Climate science

Mechanics

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19. The Branch of Physics that is most important when studying how glasses help people see:

Mechanics

Optics

Electromagnetism

Thermodynamics

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Ch 9 Nature of Science Short Questions