Paper 1 · People, Development & Environment
UGC NET 25th June 2025 Shift 1
Match List I (Waste water treatment process) with List II (Explanation).
List I
- I. Ozonation
- II. Aeration
- III. Flocullation
- IV. Screening
List II
- a. Removal of excess ion and manganese
- b. Removal of large solids
- c. Disinfection
- d. Very small particles are clustered together
AI-c, II-a, III-d, IV-b ✓ Correct
BI-c, II-a, III-b, IV-d
CI-a, II-c, III-b, IV-d
DI-d, II-b, III-c, IV-a
Correct answer: (A) I-c, II-a, III-d, IV-b — Ozonation disinfects the water, so I goes with c. Aeration removes excess iron and manganese, so II goes with a. Flocculation gathers very small particles into clusters, so III goes…
Explanation
★Ozonation disinfects the water, so I goes with c. Aeration removes excess iron and manganese, so II goes with a. Flocculation gathers very small particles into clusters, so III goes with d. Screening removes large solids, so IV goes with b.
Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.
Shared by Mcqkart · via Mcqkart.in