Advertisements
Advertisements
प्रश्न
Give reasons.
There is a possibility of food poisoning if we eat stale food.
उत्तर
There is a possibility of food poisoning if we eat stale food because there are chances that it can be infested by microorganisms. Bacteria and fungi can infect foods that are stored for longer durations of time. For example, the greenish powdery substance that is seen on stale breads is an example of fungus infection.
संबंधित प्रश्न
Citrus canker is transmitted by insects.
Pathogenic micro-organisms present in host cells are killed by medicines called
The two micro-organisms which live in symbiotic association in lichens are
Paheli dug two pits, A and B, in her garden. In pit A, she put a polythene bag packet with some agricultural waste. In pit B, she dumped the same kind of waste but without packing it in a polythene bag. She, then covered both the pits with soil. What did she observe after a month?
Unscramble the jumbled word underlined in the following statement.
Xanrhat is a dangerous bacterial disease.
Suggest a suitable word for the following statement.
Chemicals which kill or stop the growth of pathogens.
Name two diseases that are caused by virus.
Mention the symptoms and preventive measures undertaken for foot and mouth disease in animals.
Define the following:
Toxin
Differentiate Exotoxins and Endotoxins.