1.
The pH of water sample collected from a river was found to be acidic in the range of 3.5-4.5. On the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water?
2.
The three R's that will help us conserve natural resources for long term use are
3.
The main cause for abundant coliform bacteria in the river Ganga is
4.
A successful forest conservation strategy should involve
5.
Pick the right combination of terms which has no fossil fuel.
6.
Select the wrong statement
7.
In our country, vast tracts of forest are cleared and a single species of plant is cultivated. This practice promotes
8.
Select the eco-friendly activity among the following
10.
Which of the following is not a natural resource?
11.
From the list given below pick the items that is not a natural resource
12.
Opposition to the construction of large dams is due to
13.
The pH range most conducive for life of fresh water plants and animals is
14.
Arabari forests of Bengal is dominated by
15.
The most appropriate definition of a natural resources is that it is a substance/commodity that is
16.
The most rapidly dwindling natural resource in the world is
17.
Khadins, Bundhis, Ahars and Kattas are ancient structures that are example for
18.
Ground water will not be depleted due to
19.
Expand the abbreviation GAP
20.
The important message conveyed by the Chipko Movement' is