Nanotechnology and Its Applications MCQs

1. What is nanotechnology primarily concerned with?
(A) Objects visible to the naked eye
(B) Materials at the atomic or molecular scale
(C) Large-scale industrial machinery
(D) Macro-economic systems

2. What is the typical size range of nanoparticles?
(A) 1 mm to 10 mm
(B) 100 nm to 1 mm
(C) 1 nm to 100 nm
(D) 0.1 cm to 1 cm

3. Which of the following fields benefit most from nanotechnology?
(A) Literature and Arts
(B) Textile Industry
(C) Medicine and Electronics
(D) Agriculture only

4. What property of nanoparticles is often different from their bulk counterparts?
(A) Weight
(B) Shape
(C) Physical and chemical properties
(D) Color only

5. Which carbon-based nanomaterial is known for its exceptional strength and conductivity?
(A) Graphene
(B) Nylon
(C) Polyethylene
(D) Quartz

6. In which medical application is nanotechnology widely used?
(A) Bone fracture surgery
(B) Targeted drug delivery
(C) Organ transplantation
(D) Ultrasound imaging only

7. What is a major concern related to nanotechnology?
(A) High internet usage
(B) Environmental and health safety
(C) Lack of skilled labor
(D) Decreased technology adoption

8. Which technique is used to observe nanoparticles?
(A) Optical microscope
(B) Electron microscope
(C) UV Spectroscopy
(D) Naked eye

9. Nanotechnology can improve solar cell efficiency by:
(A) Reducing their size only
(B) Increasing absorption of light
(C) Making them waterproof
(D) Reducing temperature

10. What is the full form of “CNTs” in nanotechnology?
(A) Carbon Neutral Tools
(B) Carbon Nitrate Tubes
(C) Carbon Nanotubes
(D) Chemical Nanoparticle Tags