A) 500
B) 50
C) 50,000
D) 5000
Correct Answer: C
Solution :
\[0.1 mm = {{10}^{5}}nm\] \[\operatorname{Diameter} of DNA = 2\,\,nm\] \[\operatorname{Axial} ratio\,\,=\,\,\frac{{{10}^{5}}}{2\times {{10}^{9}}}\,\,=\,\,\times \,\,1{{0}^{-}}^{5}\,\,=\, 50000 nm\]
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