A. Observe the following pictures and fill in the blanks:
1. The …………….. is a baby mosquito which comes from the eggs which the mosquitoes lay in …………………. .
2. ……………… is an instrument which makes the things look ……………… times bigger. ………………. can be observed under it.
3. It is the ………………. test report of Divya. She is suffering from ……………… .The …………….. count in her blood is 8 gm/dl. The ………………. range of haemoglobin in a healthy female is …………………. .
4. He is a scientist named …………….. .He discovered that ………………. is spread by mosquitoes. He got …………….. prize in 1902.
5. All mosquitoes do not spread malaria. Only the ……………….. mosquitoes with spotted wings and ………………. in colour will spread malaria. These mosquitoes are called female ………………. mosquitoes.
6. From early times the ……………….. Cinchona tree was used to make a ……………. for malaria, ……………. are made from this.
B. Write the names of the diseases caused by the following:
1. Mosquitoes: ………………
2. Flies: ………………
3. Rats: ………………
4. Pig: ………………..
5. Birds: ……………..
C. Observe the following pictures and answer the questions:
1. Label the diagrams given above.
2. Do you use any of them in your house? Name them.
3. Why do you use them?
D. Why should water not be allowed to collect anywhere?
