| 1 |
the inclusion of unnecessary and harmful substanes in the eavironment that make it unsuitable for life is called. |
- A. Neat and cleanliness
- B. Environmental pollution
- C. Air pollution
- D. Clean environmental
|
| 2 |
The matters that could not break down into simple substances are called. |
- A. Bio-degradable
- B. Non biodegradable material
- C. Non renewable material
- D. Renewable
|
| 3 |
The germs whihc cause typhoid. |
- A. Fertilizer
- B. Sewerage water
- C. Factories substances
- D. Insecticides
|
| 4 |
The germs is caused of typhoid |
- A. Fertilizers
- B. Insecticides
- C. Sewerage water
- D. Industrial waste
|
| 5 |
Land pollution is caused by |
- A. Fertilizer
- B. Chemical
- C. Plastic bags
- D. All of these
|
| 6 |
The main cause of water pollution. |
- A. Smoke of industries
- B. Smoke of cars
- C. Industrial water
- D. Solid waste
|
| 7 |
The germs present in it cause typhoid. |
- A. Sewerage water
- B. Fertilizers
- C. Factory waste
- D. Insecticides
|
| 8 |
All living organisms needs of. |
- A. Food
- B. Water
- C. Oxygen
- D. Allof these
|
| 9 |
The traffic sokes cause of |
- A. Water pollution
- B. Land pollution
- C. Noise pollution
- D. Air pollution
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| 10 |
___________ is used in refrigerator. |
- A. CFL
- B. CBC
- C. Chloroflourocarbon
- D. BFC
|