Chapter 10,
Multiple Choice Questions Bank
1. Science and technology play a vital role in:
- (a) Agriculture only
- (b) Industry only
- (c) All aspects of modern life
- (d) Education only
2. The invention of the laser revolutionized:
- (a) Agriculture
- (b) Communication
- (c) Medical and industrial fields
- (d) Cooking
3. The term "laser" stands for:
- (a) Light Amplification by Stimulated Emission of Radiation
- (b) Light Alteration by Source Energy Radiation
- (c) Light Absorption by Stimulated Emission of Rays
- (d) Light Amplification by Source Energy Rays
4. Fiber optics is primarily used in:
- (a) Radio broadcasting
- (b) Data transmission
- (c) Food processing
- (d) Farming
5. The main advantage of fiber optics is:
- (a) High speed and accuracy
- (b) Low cost
- (c) Flexibility in use
- (d) Compact size
6. Satellites are used for:
- (a) Space exploration only
- (b) Communication and weather forecasting
- (c) Land surveying only
- (d) Agriculture
7. The purpose of a radar is to:
- (a) Measure distance
- (b) Detect objects
- (c) Generate power
- (d) Identify materials
8. Radar is widely used in:
- (a) Medicine
- (b) Aviation and defense
- (c) Agriculture
- (d) Education
9. Radioactivity was first discovered by:
- (a) Albert Einstein
- (b) Marie Curie
- (c) Ernest Rutherford
- (d) Henri Becquerel
10. Which type of radiation is used in X-rays?
- (a) Alpha particles
- (b) Beta particles
- (c) Electromagnetic radiation
- (d) Gamma rays
11. X-rays are mainly used in:
- (a) Food processing
- (b) Medical imaging
- (c) Communication
- (d) Agriculture
12. Ultrasound waves are:
- (a) Visible to the human eye
- (b) Audible to humans
- (c) Inaudible sound waves with high frequency
- (d) Low-frequency sound waves
13. Ultrasound is commonly used in:
- (a) Treatment of cancer
- (b) Diagnosis of internal organs
- (c) Communication
- (d) Transportation
14. Electrocardiography (ECG) is used to measure:
- (a) Brain activity
- (b) Lung capacity
- (c) Heart activity
- (d) Blood pressure
15. The main purpose of an ECG is to detect:
- (a) Brain disorders
- (b) Muscle strength
- (c) Heart disorders
- (d) Liver function
16. Electroencephalography (EEG) is used to:
- (a) Examine heartbeats
- (b) Analyze brain waves
- (c) Measure blood pressure
- (d) Detect bone fractures
17. Magnetic Resonance Imaging (MRI) uses:
- (a) X-rays
- (b) Sound waves
- (c) Strong magnetic fields
- (d) Gamma rays
18. MRI is primarily used to:
- (a) Detect bone fractures
- (b) Examine soft tissues
- (c) Test blood sugar
- (d) Analyze hair
19. A CT scan is an advanced imaging technique that uses:
- (a) X-rays to create cross-sectional images
- (b) Ultrasound waves
- (c) Infrared radiation
- (d) Magnetic fields
20. The main use of a CT scan is in:
- (a) Heart analysis
- (b) Blood testing
- (c) Detailed body imaging
- (d) Hair analysis
21. Angiography is used to examine:
- (a) Brain waves
- (b) Blood vessels
- (c) Liver cells
- (d) Muscles
22. Which industry is most crucial to Pakistan's economy?
- (a) Textile industry
- (b) Electronic industry
- (c) Food industry
- (d) Automobile industry
23. The primary raw material in the textile industry is:
- (a) Silk
- (b) Cotton
- (c) Wool
- (d) Leather
24. Which city is known as the industrial hub of Pakistan?
- (a) Lahore
- (b) Islamabad
- (c) Karachi
- (d) Faisalabad
25. The chemical industry in Pakistan contributes to the production of:
- (a) Plastic goods
- (b) Steel
- (c) Agricultural tools
- (d) Textiles
26. Which technology is used in satellite communication?
- (a) Microwave
- (b) Infrared
- (c) Sound waves
- (d) Visible light
27. The part of an ECG that represents the heartbeat is the:
- (a) QRS complex
- (b) T wave
- (c) P wave
- (d) S wave
28. The light used in fiber optics is usually:
- (a) Laser light
- (b) LED light
- (c) Fluorescent light
- (d) Incandescent light
29. Fiber optic cables are made of:
- (a) Copper
- (b) Glass or plastic
- (c) Rubber
- (d) Carbon
30. The purpose of an EEG is to:
- (a) Monitor heartbeat
- (b) Measure brain activity
- (c) Diagnose lung diseases
- (d) Check blood pressure
Answer Key
1. (c)
2. (c)
3. (a)
4. (b)
5. (a)
6. (b)
7. (b)
8. (b)
9. (d)
10. (c)
11. (b)
12. (c)
13. (b)
14. (c)
15. (c)
16. (b)
17. (c)
18. (b)
19. (a)
20. (c)
21. (b)
22. (a)
23. (b)
24. (c)
25. (a)
26. (a)
27. (a)
28. (a)
29. (b)
30. (b)