Geography (NTSE/Olympiad)  

2. Manufacturing Industries

Control Of Environmental Degradation

Control Of Environmental Degradation
1. Minimising the use of water for processing by reusing and recycling it in two or more successive stages.
2. Harvesting of rainwater to meet water requirement.
3. Overdrawing of ground water reserves needs to be regulated legally.
4. Smoke can be reduced by using oil or gas instead of coal in factories.
5. Machinery and equipment and generators should be fitted with silencers.
6. All machinery can be redesigned to increase energy efficiency and reduce noise.
7. Particulate matter in the air can be reduced by fitting smoke stake to factories with electrostatic precipitators, fabric filters, scrubbers and inertial separators.
8. Treating hot water and effluents before releasing them in rivers and ponds


NTSE Geography (Class X)

NTSE Geography (Class IX)


NTSE Physics Course (Class 9 & 10)

NTSE Chemistry Course (Class 9 & 10)

NTSE Geography Course (Class 9 & 10)

NTSE Biology Course (Class 9 & 10)

NTSE Democratic Politics Course (Class 9 & 10)

NTSE Economics Course (Class 9 & 10)

NTSE History Course (Class 9 & 10)

NTSE Mathematics Course (Class 9 & 10)