NCERT Solutions for Class 5 Environmental Studies Chapter 6 - A Treat For Mosquitoes

Question 1:

How medicine used for malaria is prepared from a plant ?

Answer:

The medicine for malaria is prepared from cinchona tree’s bark. Previously people used to boil the bark and then filter it. Now medicine is made from the bark.

Question 2:

What is anaemia ?

Answer:

The deficiency of blood is called anaemia. Person suffering from the deficiency of haemoglobin or iron in the blood has anaemia.

Question 3:

What we should eat in an anaemic condition ?

Answer:

In anaemic condition we should eat jaggery, amla, guava, spinach (palak) and green leafy vegetables.

Question 4:

Which diseases are caused by mosquitoes ?

Answer:

Mosquitoes spread Malaria, Dengue, Chickengunnia.

Question 5:

What is your responsibility so that there is no mosquito near your house and school ? What you do for this ?

Answer:

So that no mosquito breed near our house and school, we should not allow water to collect near them. If water collects near them we should spray kerosene oil on it.

Question 6:

How you will come to know that someone has malaria ?

Answer:

If a person has fever with cold and shivering then that person must be suffering from malaria. We should also test the blood to see if malarial parasite is there or not.

Question 7:

When and in which field Ranold Ross got the noble prize ?

Answer:

Ranold Ross got noble prize in December 1902 in the field of medicine.

Question 8:

How malaria spread by mosquitoes ?

Answer:

Malaria is spread by the protozoan plasmodium.