Most of Australia is supplied with fresh, clean water, and sewage is treated effectively. This protects us from many diseases found in other parts of the world. You might come into contact with these diseases if you travel overseas, or if some disaster at home damages the sewage system or contaminates the drinking water. One disease spread through contaminated water is amoebic dysentery. This disease causes 50,000-10,00,000 deaths per year worldwide.
Amoebic dysentery is caused by a unicellular (single-celled) organism that is most common in tropical areas. People become infected by swallowing a cyst containing the parasite in contaminated food or water. The cyst is one stage in the cycle of the parasite.
People who contract the disease can remain infectious for years, so it is best to prevent infection when travelling in areas where amoebic dysentery occurs - only drink boiled water or sealed, bottled water, don't have ice in your drinks and don't eat fruit or vegetables that may have been rinsed in tap water and not cooked.
Which of the following are the symptoms of ___________________ | |||
Right Option : D | |||
View Explanation |
Causative agent of amoebic dysentery ? | |||
Right Option : C | |||
View Explanation |
Amoebic dysentery is caused by __________________. | |||
Right Option : D | |||
View Explanation |
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
I have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
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About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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