TLS Online TPP Program

#Question id: 26852


Which of the following factor that are involved into the stability of ecosystem?

#Environmental Science
  1. Less number of connecting link
  2. More number of alternate
  3. less number of omnivores
  4. Less complex

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TLS Online TPP Program

#Question id: 40498

#Applied Microbiology

Assertion (A): Tertiary treatment is often considered the most expensive and advanced stage of wastewater treatment.

Reason (R): It involves specialized processes like UV radiation, chlorination, or reverse osmosis to remove specific contaminants and pathogens.

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 Screensi. Removal of dissolved nitrates and phosphates
2. Grit Chamberii. Removal of large floating objects (plastics, rags)
3. Secondary Clarifieriii. Settlement of sand, gravel, and heavy inorganic solids
4. Tertiary Treatmentiv. 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. Composting1. Volume reduction
B. Incineration2. Nutrient recycling
C. Landfilling3. Energy recovery
D. Anaerobic digestion4. 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. Groundwater3. Over-extraction (Depletion of aquifers)
B. Fossil fuel2. Air pollution (Emissions from burning)
C. Soil1. Salinization ( accumulation of salt in land)
D. Plastic waste4. 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.