Advertisements
Advertisements
Question
How can we prevent the following diseases?
Cholera
Solution
Cholera 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.
APPEARS IN
RELATED QUESTIONS
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?
What are the different methods of preserving food?
What are preservatives?
Which one cannot be preserved by the drying method?
Biriyani is a raw food.
What will happen to ‘pooris’ and ‘unused kneaded flour' if they are left in the open for a day or two?
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
Complete the following cycle given as figure by filling the boxes (a), (b),(c), (d).