9th class Physics, Chapter 9: Nature of Science MCQs

1. Physics is a branch of:

1. (A) social science
2. (B) life science
3. (C) physical science ✓
4. (D) biological science

2. Which branch of science plays vital role in technology and engineering?

1. (A) Biology
2. (B) Chemistry
3. (C) Geology
4. (D) Physics ✓

3. Automobile technology is based on:

1. (A) acoustics
2. (B) electromagnetism
3. (C) optics
4. (D) thermodynamics ✓

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

1. (A) laser technology
2. (B) information technology ✓
3. (C) medical technology
4. (D) electronic technology

5. The working of refrigeration and air conditioning involves:

1. (A) electromagnetism
2. (B) mechanics
3. (C) climate science
4. (D) thermodynamics ✓

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

1. (A) Hypothesis
2. (B) Experimentation
3. (C) Theory
4. (D) Law ✓

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

1. (A) theory
2. (B) observation
3. (C) prediction ✓
4. (D) law

8. Which of the following are methods of investigation?

1. (A) Observation
2. (B) Experimentation
3. (C) Research
4. (D) All of these ✓

9. A hypothesis:

1. (A) may or may not be testable
2. (B) is supported by evidence
3. (C) is a possible answer to a question
4. (D) all of these ✓

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

1. (A) collecting data
2. (B) forming a hypothesis
3. (C) asking question
4. (D) analyzing data ✓

11. The colour of a door is brown. It is an example of:

1. (A) observation ✓
2. (B) hypothesis
3. (C) prediction
4. (D) law

12. Science is a collective knowledge about:

1. (A) natural phenomena, processes and events ✓
2. (B) only machines
3. (C) only living things
4. (D) only the stars

13. The study of nature gave birth to a single discipline known as:

1. (A) chemistry
2. (B) engineering
3. (C) astronomy
4. (D) natural philosophy ✓

14. The study of nature was classified into two main disciplines at the beginning of the:

1. (A) twenty-first century
2. (B) nineteenth century ✓
3. (C) seventeenth century
4. (D) tenth century

15. The biological sciences deal with the study of:

1. (A) stars only
2. (B) rocks only
3. (C) living things ✓
4. (D) non-living things

16. The physical sciences deal with the study of:

1. (A) living things
2. (B) plants only
3. (C) animals only
4. (D) non-living things ✓

17. Physics is an important part of physical sciences besides:

1. (A) sociology and history
2. (B) chemistry and geology ✓
3. (C) botany and zoology
4. (D) medicine and genetics

18. Physics is the fundamental science that deals with:

1. (A) only chemical reactions
2. (B) only the human body
3. (C) matter, energy, space and time ✓
4. (D) only plants

19. Space is the:

1. (A) empty vessel
2. (B) three-dimensional extent in which all objects and events occur ✓
3. (C) one-dimensional line of time
4. (D) distance between planets only

20. Time measures the:

1. (A) sequence and durations of events ✓
2. (B) size of objects
3. (C) mass of objects
4. (D) speed of light only