SECTION – A
I. Choose the correct answer : 4 X ½ =2 M
1.Which gas plays a major role in global warming? [ ]
(a) CO
(b) Nitrous Oxide
(c) CO2
(d) Sulphurdioxide
2.Nuclear Power Plant releases [ ]
(a) Chemical
(b) Radioactive
(c) Dust
(d) Dioxides
3.One drop of used motor oil can pollute how much water? [ ]
(a) 30
(b) 10
(c) 15
(d) 20
4.Mosquitoes spread [ ]
(a) Influenza
(b) Rabies
(c) Malaria
(d) AIDS
II Fill in the blanks : 2 X ½ =1 M
5. Full from of CFC is _____________________
6. ________________disease are caused by microbes.
III Match the following : 4 X ½ =2 M
7. T Chernobyl ( ) a) single source
8. Bacteria ( ) b) short period
9. Definite source ( ) c) cholera
10. Acute disease ( ) d) radioactive pollution
SECTION – B
3 X 1 =3 M
11. Define water pollution?
12. Why acute disease become chronic disease?
13. Ramu was effected with smallpox what advice do you give Ramu for not spread disease?
SECTION – C 4 X 2 =8 M
14. Use “Bicycle – Avoid motor bikes and cars”. This slogan is prepared by Sravani prepare
Some slogans on pollution.
15. Write about the effects of water pollution in your village and suggest precautions?
16. Differentiate infectious & non infectious diseases?
17. How do you appreciate the role of vaccines in preventing diseases?
SECTION – D 1 X 4 =4 M
18. What is air pollution ? Make a flow chart to describe its causes and effects?
