Match List I (Energy source) with List II (Environmental impact) and choose the correct answer from the options given below.
List I
i.Wind energy
ii.Thermal energy
iii.Hydroelectric energy
iv.Photovoltaic energy
List II
a.Emission of greenhouse gases
b.Loss of riparian vegetation
c.Hazardous for birds and bats
d.Production of toxic wastes
Ai-c, ii-a, iii-b, iv-d ✓ Correct
Bi-c, ii-b, iii-a, iv-d
Ci-b, ii-a, iii-d, iv-c
Di-a, ii-c, iii-b, iv-d
Correct answer: (A) i-c, ii-a, iii-b, iv-d
Explanation
Wind turbines can be hazardous for birds and bats that collide with the rotating blades.
Thermal power burns fossil fuels and releases greenhouse gases into the air.
Hydroelectric dams flood valleys and cause the loss of riparian vegetation along rivers.
Photovoltaic manufacture and disposal can produce toxic wastes from the materials used.
Each source carries its own distinct environmental cost despite its benefits.
Weighing these impacts guides the cleaner choice of energy for a given site.
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