CBSE Class 5 EVS A Treat For Mosquitoes Worksheet

Question. Choose the correct option

1. If someone is suffering from Malaria which medicine will be taken by him /her?
a. Medicines made by Tulsi plant.
b. Medicine made by the dried powdered bark of Chinchona.
c. Medicines made by Amla
d. All the above.
Answer : b. Medicine made by the dried powdered bark of Chinchona.

2. Malaria is spread by ----
a. Inhaling bad air
b. Drinking unclear water
c. Bite of a mosquito
d. Eating roadside food
Answer :. Bite of a mosquito

3. If a person has less' hemoglobin'. What kind of nutrient food should be added
in the diet in order to increase the iron in blood.
a. Milk and cheese
b. Jaggery, Amla, Green vegetables
c. Ready to eat cereals
d. Olive oil and white butter
Answer : b. Jaggery, Amla, Green vegetables

4. Who discovered that mosquitoes transmit Malaria?
a. Issac Newton
b.Ronald Ross
c. Marie Curie
d. Albert Einstien
Answer : b.Ronald Ross

Question. Fill in the blanks
1. Spray ________ if water has collected at some place.
2.Malaria spreads by female mosquitoes known as ________.
Answer : 1. Kerosene 2. Anopheles mosquitoes.

Question. Answer in one word
1. Which kind of diseases are spread by flies?
2. Where do you think mosquitoes breed?
Answer : 1. fever/ cholera/ dysentry 2. Stagnant water.

Question. State whether true or false
1. The word Malaria means bad air.
2. Mosquitoes breed in stagnant water.
Answer : 1. True 2. True

Kendriya Vidyalaya - Class 5 Work Sheet, Unit 8: A Treat For Mosquitoes

I. Tick ("\u2713") the correct answer.

Question 1. In which season does Malaria spread more? Tick the correct picture.

Answer: The rainy season (right picture).
In simple words: Malaria spreads more in the rainy season, when mosquitoes get more water to breed in.

Exam Tip: Rain makes water collect in many places, so mosquitoes multiply fast.

Question 2. Where do you think the mosquitoes breed more? Tick the correct picture.

Answer: The untidy yard with puddles and garbage (left picture).
In simple words: Mosquitoes breed in dirty places where water stays still.

Exam Tip: Keep water containers covered and clean up puddles and rubbish.

II.

Question 3. Complete the stages of the life cycle of a mosquito. Write the names of stages 1, 2, 3 and 4 shown in the diagram.

Answer: 1. Egg 2. Larva 3. Pupa 4. Adult mosquito
In simple words: A mosquito starts as an egg, grows into a larva and pupa in water, and then flies out as an adult.

Exam Tip: Remember the order: Egg, Larva, Pupa, Adult.

Question 4. Where will you look for mosquitoes' eggs in water? Tick the correct answer(s).
(a) At the bottom of the water.
(b) In the middle layer of water.
(c) At the top floating on it.
(d) Everywhere in water.

Answer: (c) At the top floating on it.
In simple words: Mosquito eggs float together on the surface of still water.

Exam Tip: Look at the top surface of still water to find mosquito eggs.

Question 5. Given below are some food items which contain iron. Tick the ones you would like to have: (a) Spinach (b) Amla (c) Apple, and Jaggery and Pear are also shown.

Answer: Spinach, Jaggery and Amla.
In simple words: Spinach, jaggery and amla have iron, which helps make blood.

Exam Tip: Green leafy vegetables and jaggery are good sources of iron.