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Are you preparing for your upcoming CBT exams and want a solid way to test your knowledge and build confidence? We’ve got something exciting for you—CBT Practice Questions with a built-in timer to simulate real exam pressure and boost your speed.

Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace ICH 113 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

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EKSU ICH 113

1 / 40

1. What is the size range of nanomaterials in at least one dimension?

A. < 100 nm

B. < 1 µm

C. < 1 mm

D. > 100 nm

2 / 40

2. In textiles, silver nanoparticles are used for:

A. Fashion

B. Weight reduction

C. Fragrance

D. Germ-free effects

3 / 40

3. Which of the following is a zero-dimensional nanostructure?

A. Nanoparticles

B. Nanotubes

C. Nanorods

D. Thin films

4 / 40

4. Which is NOT a type of nanocomposite dimensionality?

A. One-dimensional

B. Two-dimensional

C. Zero-dimensional

D. Three-dimensional

5 / 40

5. Nanotechnology is important in energy because:

A. It needs no electricity

B. It’s expensive

C. It uses fossil fuels

D. It provides efficient materials

6 / 40

6. In coated nanocomposites, it is important that:

A. There is no mutual solubility

B. They are biodegradable

C. They are magnetic

D. There is mutual solubility

7 / 40

7. Agricultural use of nanotech aims to:

A. Replace crops

B. Reduce inputs

C. Boost soil erosion

D. Increase pesticides

8 / 40

8. XRD is primarily used to determine:

A. Porosity

B. Particle mass

C. Conductivity

D. Crystal structure

9 / 40

9. Nanoindentation is used to measure:

A. Mechanical property

B. Magnetic property

C. Chemical bonding

D. Optical absorption

10 / 40

10. Nanoparticles in medicine can be used for:

A. Cooking

B. Diagnosis and drug delivery

C. Decoration

D. Data storage

11 / 40

11. Which porous material has pores <2 nm?

A. Macroporous

B. Microporous

C. Nanoporous

D. Mesoporous

12 / 40

12. Tennis balls using nanoclay:

A. Break easily

B. Become magnetic

C. Get heavier

D. Trap air better

13 / 40

13. Aerogels are formed by:

A. Sol-gel method

B. Cooling gels

C. Freeze drying

D. Burning gels

14 / 40

14.

Clusters are aggregates of:

A. Atoms

B. Ions

C. Molecules

D. Gases

15 / 40

15. Which method uses vapor phase chemicals for coatings?

A. X-ray diffraction

B. DNA synthesis

C. Ball milling

D. CVD

16 / 40

16. Colloids have at least one phase with dimensions less than:

A. 1 mm

B. 10 µm

C. 100 nm

D. 1 µm

17 / 40

17. Which microscope is used to image atomic structures?

A. Electron

B. Infrared

C. UV

D. Optical

18 / 40

18. Zeolites are crystalline with:

A. Uniform pores

B. Large gaps

C. Random pores

D. Amorphous structure

19 / 40

19. Excitons are:

A. Chemical impurities

B. Vibrational energies

C. Magnetic fields

D. Electron-hole pairs

20 / 40

20. Which synthesis technique is mechanical?

A. Microorganism synthesis

B. Ball milling

C. DNA-based synthesis

D. Colloidal route

21 / 40

21. What is the purpose of vacuum in evaporation methods?

A. Provide oxygen

B. Avoid contamination

C. Add impurities

D. Enhance colors

22 / 40

22. Cosmetics use nanoparticles to:

A. Improve absorption

B. Increase wrinkles

C. Change scent

D. Reduce cost

23 / 40

23. Cryo-cooling is used in ball milling to:

A. Reduce oxidation

B. Dissipate heat

C. Increase temperature

D. Remove impurities

24 / 40

24. Gold ruby glass is an example of:

A. Zero-dimensional nanocomposite

B. Coated nanocomposite

C. One-dimensional composite

D. Organic nanomaterial

25 / 40

25. Magnetic behavior in nanoparticles is due to:

A. Thermal motion

B. Lattice vibrations

C. Spin of electrons

D. Atoms only

26 / 40

26. Melting in nanoparticles begins at the:

A. Bottom

B. Surface

C. Center

D. Core

27 / 40

27. What does the “bottom-up” approach in nanotechnology utilize?

A. Lasers

B. Large chunks of materials

C. Atoms and molecules

D. Nanorobots

28 / 40

28. Young’s modulus is calculated as:

A. Strain / Stress

B. Work / Distance

C. Stress / Strain

D. Force x Area

29 / 40

29. Graphene is a:

A. 1D structure

B. 0D structure

C. 3D structure

D. 2D structure

30 / 40

30. Which term represents a particle with 2–13 atoms?

A. Microcluster

B. Bulk atom

C. Macrocluster

D. Nanoparticle

31 / 40

31. DNA can be used to synthesize:

A. CdS nanoparticles

B. Gold nanoparticles

C. Polymers

D. Carbon nanotubes

32 / 40

32. Which plant is used to synthesize gold nanoparticles?

A. Basil

B. Alfalfa

C. Neem

D. Rose

33 / 40

33. The top-down approach can be described as:

A. Constructing from atoms

B. Chemical vapor deposition

C. Self-organization of molecules

D. Milling of bulk materials

34 / 40

34. What causes color in stained church glass windows?

A. Metal nanoparticles

B. Organic pigments

C. Paint

D. Heat treatment

35 / 40

35. Ductility is defined as:

A. Elastic stiffness

B. Resistance to heat

C. Plastic deformation at fracture

D. Magnetic response

36 / 40

36. SEM stands for:

A. Surface Electron Mapping

B. Secondary Electron Microscopy

C. Structural Electron Model

D. Scanning Electron Microscope

37 / 40

37. Which is a property studied via optical absorption spectroscopy?

A. Energy gap

B. Diameter

C. Mass

D. Color tone

38 / 40

38. The oldest colloidal synthesis was by:

A. Mendeleev

B. Kunkel

C. Rutherford

D. Faraday

39 / 40

39. Silver nanoparticles in refrigerators:

A. Reduce cooling

B. Generate power

C. Prevent fungal growth

D. Spoil food

40 / 40

40. Nanotubes are an example of which dimensional structure?

A. 1D

B. 3D

C. 2D

D. 0D

Your score is

The average score is 58%

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EKSU ICH 113 CBT PRACTICE

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