16. Raw mangoes are preserved by
17. Rust of wheat c an spread through
18. Rust of wheat is a plant disease which is caused by ...................microbe ?
19. Select a preservative from the following
20. Spoilage of pickles is preserved by
21. The disease-causing microorganisms are called
22. The medicines that are used to kill or stop the growth of the disease-causing microbes , are called
23. The process of conversion of sugar into alcohol is known as
24. The process of heating , chilling and storing milk to prevent the growth of microbes , is called
25. There are some living organisms around us which are not visible to the unatded eye, are called
26. Tuberculosis is caused by
27. Typhoid can spread from an infected person to a healthy person through
28. When a disease-carrying microbe enters our body, body produces ...................to fight the invader ?
29. Which gas is used for the synthesis of plant proteins and other compounds ?
30. Which one of the following disease is caused by viruses ?
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