This lesson contains 7 slides, with interactive quizzes and text slide.
Lesson duration is: 5 min
Items in this lesson
Microorganism
Food Spoilage and Preservation
Slide 1 - Slide
While returning from the school, Bina ate chaat from a street hawker. When she reached home, she felt ill and complained of stomach ache. What could be the reason?
Slide 2 - Open question
Rita notices the milk she poured on her breakfast cereal is lumpy and tastes sour. What inference should Rita make?
Slide 3 - Open question
Heating of milk to 70 degrees and suddenly cooling it