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