A Treat for Mosquitoes - 2 Class 5 Worksheet EVS Chapter 8

Q1: Fill in the blanks. 

(i) The _____________ has to be tested to find out the patient has malaria or not.

(ii) Blood is observed under the _____________.

(iii) Lack of haemoglobin in blood causes _____________.

(iv) The young ones of mosquitoes (baby mosquitoes) called __________.

(v) _____________ spread many diseases especially stomach problems. f) Mosquitoes lay eggs in __________ water

(vi) ___________________ spread Malaria.

Q2: Tick (✔) the correct answer.

(i) What does a mosquito do when it bites us?
(a) It pinches us
(b) It bites off a piece of flesh
(c) It tickles us
(d) It sucks blood from our body 

(ii) What is the symptom that shows that a person has malaria? 
(a) Indigestion
(b) Shivering
(c) Stomach pain
(d) Vomitings 

(iii) How do mosquitoes locate human beings to bite?
(a) They have sharp eyes 
(b) They locate human beings through heat 
(c) They use sound to locate them 
(d) They use their sense of smell 

(iv) In which season is Malaria more common?
(a) Rainy season 
(b) Winter 
(c) Summer 
(d) Spring

(v) Where will you look for mosquitoes’ eggs in water?
(a) At the bottom of the water
(b) In the middle layer of water
(c) At the top floating on it
(d) Everywhere in the water

Q3: Answer the following questions.

(i) What are the diseases that are spread by mosquitoes?

(ii) What measures have to be taken to protect ourselves from mosquitoes?

(iii) What should we eat to increase haemoglobin or iron in the blood?
(or)
How can you prevent anaemia?

(iv) In which season is Malaria more common? Why?

(v) Why does the government advise people to put kerosene oil in the water coolers and on stagnant water during the rainy season?

(vi) What are algae? Where and when are they commonly seen?

(vii) What are the effects of anaemia on children?

(viii) How can you check the growth of mosquitoes?

(ix) Some jumbled sentences are given below showing how the flies spread diseases. Arrange them in sequence by writing 1, 2, 3, 4, etc. in the boxes provided. ( )
1. They pick disease-causing agents (microbes) from there. ()
2. We consume such food. ()
3. Flies sit on the garbage and other waste products. ()
4. Microbes enter our bodies and cause diseases. ()
5. Then they sit on our food. ()
Study the reports given below carefully and answer the following questions.

The solutions of the worksheet "A Treat for Mosquitoes - 2"