B. he2didn't2 reveal2how2he2ground2the2 lenses2and2no2one2else2 was2doing2it2that2 well.
C. he2limited2his2 research2to2pond2water
D. it2 was2only2a2hobby2and2he2didn't2live2 very2long
Ans:2 B
,3. Leeuwenhoek2was2the2first2person2to:
A. see2viruses.
B. use2a2microscope.
C. describe2bacteria.
D. suggest2animalcules2caused2disease.
Ans:2C
4. Francesco2 Redi2 is2famous2for2 performing2 one2 of2 the2first2 experiments2over2 the2debate2r
egarding2spontaneous2generation.2What2was2his2experiment?
A. He2boiled2some2mutton2gravy2and2sealed2the2tops2 with2 corks.
B. He2covered2 some2jars2of2 meat2 with2 gauze2and2left2others2open.2The2 covered2jars2did2not2
develop2maggots,2the2uncovered2ones2did.
C. He2showed2that2mice2will2appear2 with2damp2rags2 and2rice.
D. He2boiled2broth2for2longer2periods2of2 time2and2 sealed2the2tops2 with2melted2glass.
Ans:2 B
5. 2 did2not2attempt2to2prove2or2refute2the2idea2of2spontaneous2generation.
A. Francesco2Redi
B. Robert2Koch
C. Lazzaro2Spallanzani
D. Louis2Pasteur
Ans:2B
, 6. Which2one2of2the2following2would2be2consistent2with2the2idea2of2spontaneous2
generation?
A. Microorganisms2may2be2cultivated2on2solid2laboratory2media.
B. Insects2are2important2in2the2transmission2of2disease.
C. Sick2people2give2rise2to2microorganisms2in2their2body.
D. Disinfection2is2essential2to2prevent2the2spread2of2microorganisms.
Ans:2C
7. Spallanzani’s2experiments2showed2that:
A. viruses2were2transmitted2by2water.
B. spontaneous2generation2occurs.
C. miasma2was2the2cause2of2disease.
D. experiments2can2be2modified2to2test2a2hypothesis.
Ans:2D2Pag
e:2 8
8. Which2pair2of2scientists2were2antagonists2during2the2same2period2of2history?
A. Pasteur2and2Ehrlich
B. Koch2and2Leeuwenhoek
C. Spallanzani2and2Needham
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