CTET 2 Math and Science 10 Jan 2022 Paper

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Question : 62 of 150
 
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The table below matches three human diseases with their causative microorganisms and mode of transmission. Some entries in the table have been marked as X, Y and Z. 
Human Disease
Causative Microorganism
Mode of transmission
Typhoid
Bacteria
X
Measles
Y
Air
Dengue
Z
Mosquito
Replacing X, Y, Z respectively with which of the following terms would correctly fill the table?
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