Multiple choice questions II — task. Science CBSE, Class 10.

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1. The most appropriate definition of a natural resource is that it is a substance/commodity that is

A gift of nature which is very useful to mankind
A man-made substance placed in nature
Present only on land
Available only in the forest

2. The main cause for abundant coliform bacteria in the river Ganga is

Washing of clothes
Immersion of ashes
Disposal of unburnt corpses into water
Discharge of effluents from electroplating industries

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