Environment & Ecology

6 questions available

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All Ecosystem 56 Food Chain 1 Biodiversity 1 Pollution 6 Global Warming 3 Climate Change Ozone Layer 2 Natural Resources 2
Showing 1–6 of 6

Q1.Main cause of smog in Lahore is?

Medium
A Vehicular pollution, industrial emissions
B Industrial Emissions only
C Agricultural wastes burn outs
D Water and plastic wastes
Pollution PPSC 2026

Correct Answer: A

Smog in Lahore is mainly caused by vehicular pollution combined with industrial emissions.

Q2.All are physical pollutants except?

Medium
A Heat
B Soot
C Radiation
D Sound
Pollution PPSC 2026

Correct Answer: B

Soot is a particulate/chemical pollutant, unlike heat, radiation, and sound which are physical pollutants.

Q3.Sustainable method to avoid urban flooding is?

Easy
A Underground Holes
B Urban drainage system
C Sustainable Underground reserves
D None of these
Pollution PPSC 2026

Correct Answer: B

Q4.Which of the following is type of Great Pacific Garbage Patch?

Easy
A Air Pollution
B Marine Plastic Pollution
C Land Pollution
D None of these
Pollution PPSC 2026

Correct Answer: B

Q5.Smog, NO2, SO2 and Dust are the sources of?

Hard
A Secondary Pollutant
B Primary Pollutant
C Both
D None of these
Pollution PPSC 2026

Correct Answer: A

Q6.Photochemical smog does not contain which of the following?

Hard
A Particulate
B Ozone
C Aldehydes
D None of these
Pollution PPSC 2026

Correct Answer: A