TLS Online TPP Program
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TLS Online TPP Program
#Question id: 40499
#Applied Microbiology
Match the wastewater treatment step in Column A with its primary objective in Column B
| Column A (Step) | Column B (Objective) |
| 1. Bar Screens | i. Removal of dissolved nitrates and phosphates |
| 2. Grit Chamber | ii. Removal of large floating objects (plastics, rags) |
| 3. Secondary Clarifier | iii. Settlement of sand, gravel, and heavy inorganic solids |
| 4. Tertiary Treatment | iv. Separation of biological flocs (activated sludge) |
TLS Online TPP Program
#Question id: 40500
#Environmental Science
Match the waste treatment method with its primary purpose:
| List I (Process) | List II (Outcome/Characteristic) |
| A. Composting | 1. Volume reduction |
| B. Incineration | 2. Nutrient recycling |
| C. Landfilling | 3. Energy recovery |
| D. Anaerobic digestion | 4. Methane production |
TLS Online TPP Program
#Question id: 40501
#Environmental Science
Match the resource with its environmental concern:
| List I (Source) | List II (Impact/Issue) |
| A. Groundwater | 3. Over-extraction (Depletion of aquifers) |
| B. Fossil fuel | 2. Air pollution (Emissions from burning) |
| C. Soil | 1. Salinization ( accumulation of salt in land) |
| D. Plastic waste | 4. Microplastic contamination (Breakdown of plastics) |
TLS Online TPP Program
#Question id: 40502
#Environmental Science
Regarding solid waste management:
1. Segregation improves recycling efficiency.
2. Open dumping eliminates toxic emissions.
3. Circular economy reduces landfill dependency.
Correct statements are:
TLS Online TPP Program
#Question id: 40503
#Environmental Science
Assertion–Reason
Assertion (A): Waste minimization reduces environmental burden.
Reason (R): Reduced waste lowers resource extraction and pollution.
TLS Online TPP Program
#Question id: 40504
#Environmental Science
Assertion–Reason
Assertion (A): Landfills generate greenhouse gases.
Reason (R): Organic waste decomposes anaerobically producing methane.