MCQ
By which gases is air pollution caused?
- ✓Sulphur dioxide.
- BCarbon dioxide.
- CNitrogen oxide.
- DNitrogen dioxide.
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List $I$
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List $II$
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| $1.$ |
Subjects in state list
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$(a)$ | $52$ |
| $2.$ |
Subjects in Union List
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$(b)$ | $22$ |
| $3.$ |
Subjects in concurrent list
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$(c)$ | $61$ |
| $4.$ |
No of schedule languages
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$(d)$ | $97$ |