The particle size of ZnO material is 30 nm. Based on the dimension it is classified as _____.

(a)

Bulk material

(b)

Nanomaterial

(c)

Soft material

(d)

Magnetic material

The blue print for making ultra durable synthetic material is mimicked from _____.

(a)

Lotus leaf

(b)

Morpho butterfly

(c)

Parrot fish

(d)

Peacock feather

The alloys used for muscle wires in Robots are _____.

(a)

Shape memory alloys

(b)

Gold copper alloys

(c)

Gold silver alloys

(d)

Two dimensional alloys

The particle which gives mass to protons and neutrons are _____.

(a)

Higgs particle

(b)

Einstein particle

(c)

Nanoparticle

(d)

Bulk particle

__________ Scanning Electron Micrograph (SEM) showing the nano structures on the surface of a leaf from a lotus plant

(a)

Parrot fish

(b)

Morpho butterfly

(c)

Lotus leaf surface

(d)

Peacock feathers

Best example for applications of nanotechnology is ______________.

(a)

Chemical industry

(b)

Engineering

(c)

medicine

(d)

all of these

Muscle wires can contract by _________ when electric current is passed through them.

(a)

5%

(b)

7%

(c)

25%

(d)

50%

Chinese scientists have created the world's first autonomous _________ to combat caner tumours.

(a)

RNA Robot

(b)

DNA Robot

(c)

m RNA Robot

(d)

r RNA Robot

Zno is an example of __________

(a)

Bulk solid

(b)

Nano solid

(c)

Bulk solid and Nano solid

(d)

None of the above

Bulk particles of nanoparticles are synthesized by ___________

(a)

Top - down approach

(b)

Bottom - up approach

(c)

Top - top approach

(d)

Bottom - real approach