
Have you noticed molds and fungus on pickles, rotten vegetables and fresh coconut? Why do they form?
Important Questions on Cell Structure and Micro-organisms






Study the picture given below and answer the following question:
How did Aman know that the potato sabzi had got spoilt?





The whole class can do this experiment together. Take a piece of bread or roti. Sprinkle a few drops of water on it, and put it in a box. Close the box. See the bread or roti every day until you find some changes on it. Make this table on a chart paper and put it up in the classroom. Fill up the chart every day after discussing the changes seen.


Aman’s Biji went to the market to buy bread. The shop was very crowded. The shopkeeper picked up a packet of bread and gave it to Biji. She looked at it and returned it immediately. Look at the picture of the bread packet here and guess why Biji returned it? How did she find that the bread had got spoilt?







