Biological Classification And System Of Classification Question 531
Question: A 1ml pipette can contain about
Options:
A) 1018 bacteria
B) 1010 bacteria
C) 106 bacteria
D) 1012 bacteria
Show Answer
Answer:
Correct Answer: D
Solution:
Since 1 ml volume of pipette $ =10^{6} $ cubic metre.
Diameter of 1 bacterium $ =10^{3}mm=10^{6}metre $ Hence the volume of 1 bacterium $ =10^{6}\times 10^{6}\times 10^{6}=10^{18} $ Therefore number of bacterium $ =\frac{{10^{-6}}}{{10^{-18}}}={10^{-6+18}}=10^{12}.
$
BETA
