| 1 |
Which one of these in non-biodegradable |
- A. Feathers
- B. Paper
- C. Leaves of plants
- D. Polythene bag
|
| 2 |
___________ is used in refrigerator. |
- A. CFL
- B. CBC
- C. Chloroflourocarbon
- D. BFC
|
| 3 |
The germs whihc cause typhoid. |
- A. Fertilizer
- B. Sewerage water
- C. Factories substances
- D. Insecticides
|
| 4 |
The germs present in it cause typhoid. |
- A. Sewerage water
- B. Fertilizers
- C. Factory waste
- D. Insecticides
|
| 5 |
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
|
| 6 |
Which on eof the following acts cause most of the air pollution? |
- A. Collecting rubber
- B. Buming rubber
- C. Reusing rubber
- D. Recycling rubber
|
| 7 |
The traffic sokes cause of |
- A. Water pollution
- B. Land pollution
- C. Noise pollution
- D. Air pollution
|
| 8 |
The substances cause pollution are called. |
- A. Pollutants
- B. analysts
- C. Creator
- D. Consumers
|
| 9 |
All living organisms needs of. |
- A. Food
- B. Water
- C. Oxygen
- D. Allof these
|
| 10 |
Agricultural and poisosous substances of factories are also the cause of. |
- A. Air pollution
- B. Environmental pollution
- C. Land pollution
- D. Water pollution
|