1) Which microorganisms cause diseases in Humans ? a) Carriers b) Pathogens c) Insects 2) How do the communicable diseases spread ? a) Through cuts and wounds b) through air c) through contaminated food and water d) all of the above 3) The period between the infection and appearence of symptoms is called  a) resting period b) incubation period c) infectious period 4) What is food preservation ? a) preventing the food from spoiling b) increasing shelf life of the food c) retaining nutritive value for a long time d) all of these 5) Cholera is caused due to a) Bacterium b) Virus c) Fungi d) Algae 6) How is ringworm transmitted ? a) through pets and livestock b) through mosquitoes c) through fungi d) through contaminated food and water

Harmful Microorganisms - Quiz

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?