Burying radioactive wastes is not acceptable to many people as:
1. there is a risk of groundwater contamination
2. it may explode
3. it will harm the buried dead bodies
4. it may get accumulated in vegetations
In India, the name Ramesh Chandra Dagar, is associated with:
1. Organic farming
2. Conservation of forests
3. Recycling of plastic wastes
4. Preservation of water lands
If there was no green house effect:
1. | Earth would have been too cold for many organisms to survive |
2. | The diversity on Earth would have been much higher |
3. | The primary productivity would have been much higher |
4. | Earth would not have any atmosphere |
Apart from DDT, what else is known to undergo biological magnification in aquatic food chain?
1. | Nitrates | 2. | Phosphates |
3. | Mercury | 4. | Calcium |
Modern catalytic converters in automobiles are capable of:
I: | Oxidation of carbon, hydrocarbons, and carbon monoxide to carbon dioxide |
II: | Oxidation of nitrogen oxides to nitrogen (N2) |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Provided it is carried out in an environmentally friendly manner, the only solution for the treatment of e-waste is:
1. Recycling
2. Incineration
3. Sanitary landfills
4. Burying deep in earth
Water [Prevention and Control of Pollution] Act was passed by the Government of India in:
1. | 1974 | 2. | 1981 |
3. | 1987 | 4. | 1992 |
It is necessary to remove sulphur from petroleum products to
1. | reduce the emission of sulphur dioxide in exhaust fumes |
2. | increase efficiency of automobiles' engines |
3. | use sulphur removed from petroleum for commercial purposes |
4. | increase the life span of engine silencers |
Compressed Natural Gas (CNG) is:
1. | Propane | 2. | Methane |
3. | Ethane | 4. | Butane |
Arcata Wildlife Sanctuary in Arcata, California is also a/an:
1. innovative sewer management system
2. tiger reserve
3. nuclear waste disposal site
4. ecological hotspot