90) one one thousandth (1/1000) of a meter A) 1m B) 1 cm C) 1mm (i think C is th

ID: 99183 • Letter: 9

Question

90) one one thousandth (1/1000) of a meter

A) 1m

B) 1 cm

C) 1mm (i think C is the answer)

D) 1 um

E) 1nm

91) one one billionth of a meter is:

A) 1 m (i think A is the answer)

B) 1 cm

C) 1mm

D) 1 um

E) 1 nm

92) A light microscope is required to see things starting at what size diameter:

A) 10 mm

B) 1 mm

C) 100 um

D) 10 um

E) 1 nm

94) Which of the following are not associated with infection?

A) Fungus

B) bacteria

C) protozoa

D) algae

E) viruses

97) The first evidence of the designed use of micro-organisms was found in _____ in the ______.

A) france / production of cheeses

B) england / production of antibiotics

C) egypt / production of beer

D) USA / field of biotechnology

E) Asia / production of vaccines

90. Option C is the right answer.

As 1 m = 1000 mm

So 1/1000 m = 1 mm.

91. Option E is the right answer.

One one billionth of a meter = 1× 10-9

That is equal to 1 nm.

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