CLASS - 5 || SUBJECT - EVS || Chapter 8 || A Treat For Mosquitoes ||

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Chapter 8 

A Treat For Mosquitoes



1.    .What other diseases can be caused by mosquito bites?
Ans. Following are some other diseases which can be caused by mosquito bites:
(a) Dengue (6) Chikungunya (c) Filaria.

2.    In which season is malaria more common? Why do you think this happens?
Ans. Malaria is more common in rainy season. Mosquitoes get suitable environment to breed during the rainy season and hence there are more cases of malaria.



3.    What do you do in your house to protect yourself from mosquitoes? Also find out from your friends about what they do?
Ans. We use mosquito repellant in our house.
I asked my friends and found following measures being used by them:
(а) Mosquito repellants (they come in coils, liquids and mats)
(б) Mosquito repellant cream
(c) Mosquito nets
(d) Wire mesh on windows
(e) Keeping the surroundings clean
(f) Removing stagnant water from the surroundings.

4.    What does the newspaper report say about the problems caused by anaemia?
Ans. The newspaper report says that anaemia affects both physical and mental health of children. Due to anaemia, children do not grow properly and their  energy levels are down. This affects their study as well.

5.    What are some of the important points given in the poster to prevent mosquitoes?
Ans. The important points in the poster are as follows:
(a) Beware of mosquitoes as they cause serious diseases like malaria, dengue and chikungunya.
(b) Don’t allow water to stagnate around you.
(c) Clean your surroundings to rule out breeding grounds for mosquitoes.
(d) Fish can be put in ponds to remove mosquito larvae.
(e) Mosquito net should be used to prevent against mosquito bites.
(f) Kerosene oil should be sprayed on water to prevent mosquito eggs to grow.



6.    Which diseases are spread by flies and how?
Ans. Following diseases are spread by flies; dysentery, cholera, typhoid, anthrax, etc. When a fly sits on contaminated material, harmful germs stick to its legs. When the same fly sits on food, the germs get transferred to the food. Thus, a fly spreads various diseases.

7.    What can you do so that mosquitoes do not breed in your house, school and neighbourhood?
Ans. You can do following to prevent mosquito breeding in your house, school and neighbourhood:
(a) Do not allow water logging in the area around you.
(b) Clean the cooler and water tank regularly.
(c) Spray DDT and kerosene oil in drains pits, etc.
(d) Cultivate fish in nearby ditches, pits, ponds, etc.

8.    How can you find out if someone has malaria?
Ans. If the blood test shows malaria parasite, then malaria is confirmed in that person. .

 

 

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