For the following questions answer them individually
In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Bacteria are extremely (1)_______ living things. While we measure our own sizes in inches or centimetres, bacterial size is measured in (2)_____. One micron is a thousandth of a millimetre, a pinhead is about a millimetre (3)______. Rod shaped bacteria are usually from two to four microns (4)_____, while rounded ones are generally one micron in (5)________.