- Water quality analysis- MPN test.
- Dye reduction tests for milk quality determination-methylene blue reductase test.
- Breed count method for bacterial enumeration in milk.
- Determination of viable counts in food: Standard plate count method.
- Food production: yogurt and mushrooms.
- Production and estimation of lactic acid by Lactobacillus spp.
- Detection of microbial spoilage of canned foods.