Subject :NSO Class : Class 5
Subject :NSO Class : Class 1
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 5
Which one of the following pairs is correctly matched?
| Problem | Solution | |
|---|---|---|
| A | Air pollution | Avoiding catalytic
converters in automobiles |
| B | Water pollution | Discharging
industrial waste into nearby water |
| C | Land pollution | Recycling paper
and reusing plastic bottles whenever possible |
| D | Air pollution | Using more diesel / petrol over CNG |
The correct answer is C
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 1
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
Rachna took two strong magnets to stroke a steel bar in the directions shown in the figure.
Which one of the following show correctly the poles of
the steel bar after the stroking method was applied?
| T | U | |
| A | S | S |
| B | N | N |
| C | S | N |
| D | N | S |
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Subject :NSO Class : Class 6
