The GATE Grind

GATE 2023 ES – Question 22

Solid and Hazardous Waste Management · Special Waste Streams · 1 mark · Multiple choice

Match P HDPE, Q LDPE, R PET, S Polystyrene with i Garbage bags/bubble packaging, ii Pharmaceutical bottles/Styrofoam cups, iii Water bottles, iv Landfill-liner geomembranes.

  1. P–iv, Q–i, R–iii, S–ii
  2. P–i, Q–iii, R–ii, S–iv
  3. P–iv, Q–ii, R–i, S–iii
  4. P–ii, Q–iii, R–iv, S–i

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Show answer and explanation

Correct answer: (A) P–iv, Q–i, R–iii, S–ii

Explanation

HDPE is used for robust landfill geomembranes; flexible LDPE for bags/bubble packaging; PET for beverage/water bottles; and polystyrene for rigid/foamed items including the listed Styrofoam cups. The intended matching is **A**. Container suitability depends on product grade; the examples are not exclusive uses.

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