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प्रश्न
How can we prevent the following diseases?
Cholera
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उत्तर
An infectious disease caused by bacteria Vibrio cholera. It occurs due to the consumption of contaminated or unhygienic food and water. It can be prevented by maintaining personal hygiene, good sanitation practice, consumption of clean drinking water, etc.
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संबंधित प्रश्न
What’s the solution?
The papads have become soft and moist.
Use your brain power !
Semolina (shevaya) do not get spoiled for a very long time. But kheer made from them spoils easily. Why is this so?
Here is Nandini‘s lunch box.
- Are all the items healthy?
- Suggest her to remove one food which is not healthy and add one food which is healthy. Give reasons for change.
_______ is an easily digested food.
Which one cannot be preserved by the drying method?
Write about food preservation methods.
food is exposed to ______ rays or ______ rays.
Observe the set-up given in figure and answer the following questions.
- What happens to the sugar solution in A?
- Which gas is released in A?
- What changes will you observe in B when the released gas passes through it?
How can we prevent the following diseases?
Typhoid
Find the odd-man-out.
