Match List I with List II and choose the correct answer from the options given below:
List I
i.0-50
ii.101-200
iii.201-300
iv.301-400
List II
a.Yellow
b.Red
c.Green
d.Orange
Ai-c, ii-a, iii-b, iv-d
Bi-c, ii-a, iii-d, iv-b ✓ Correct
Ci-b, ii-a, iii-c, iv-d
Di-b, ii-a, iii-d, iv-c
Correct answer: (B) i-c, ii-a, iii-d, iv-b
Explanation
The national Air Quality Index assigns a colour band to each range of index values.
The 0 to 50 range is the good category, shown in green.
The 101 to 200 range is the moderate category, shown in yellow.
The 201 to 300 range is the poor category, shown in orange.
The 301 to 400 range is the very poor category, shown in red.
Higher bands above 400 fall into the severe maroon category.
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