Natural Resources and Environmental Conservation
Covers renewable and non-renewable resources including forests, water, and fossil fuels; explores concepts like reforestation, afforestation, biodiversity, water conservation, and environmental impacts of resource use.
Questions
Which of the following issues is neglected by mega projects like dams and canals?
- Pollution
- Depletion of ozone layer
- Local irrigation
- Acid rain
Match the following:
| a. Deforestation | 1. It is the planting of trees in an area in which forests were destroyed. |
| b. Desertification | 2. It is the clearing of forests by cutting down of trees over a wide area. |
| c. Reforestation | 3. It is the process by which fertile land becomes a desert. |
- a - 2, b - 3, c - 1
- a - 2, b - 1, c - 3
- a - 3, b - 2, c - 1
- a - 3, b - 1, c - 2
- a - 1, b - 3, c - 2
Which of the following methods has/have been suggested by environmental biologists for avoiding misuse and wastage of potable water?
- Development of integrated watershed plan for drinking, irrigation and industrial use
- Adoption of various flood control methods
- Transfer of surplus water to water deficit basins by interlinking of rivers
- All of the above
- Both 1 and 2
Which of the following will be directly affected by loss of biodiversity?
- Economic development
- Ecological stability
- Social stability
- Sustainable development
Which of the following is/are a renewable natural resource?
- Minerals
- Natural gas
- Petroleum
- Wildlife
- Coal
Which of the following is/are the smallest global reservoir of water?
- Rivers
- Atmosphere
- Oceans
- Freshwater lakes
- Soil mosture
Which of the following statements is incorrect?
- The planted trees in reforestation should generally be of the same species that were found in that forest.
- At least half the number of trees that are cut, should be planted.
- Reforestation can take place naturally also.
- None of these
Restoration of destroyed forests by planting new trees is known as
- housekeeping
- ecosystem
- afforestation
- deforestation
Amrita Bishnoi lost her life while saving a forest having ____ trees.
- teak
- khejri
- bamboo
- segun
Which of the following gases are formed during burning of fossil fuels and cause acid rain?
- Hydrogen cyanide and chloroflurocarbons
- Carbon dioxide and methane
- Hydrogen cyanide and methane
- Sulphur dioxide and nitrogen oxide
- Hydrogen sulphide and carbon dioxide
Which of the following groups includes only non-renewable resources?
- Petroleum, coal and forest
- Coal, natural gas and water
- Natural gas, coal and forest
- Petroleum, coal and natural gas
- Forest, water and coal
Coal and petroleum are huge reservoirs of
- carbon
- ozone
- calcium
- zinc
Why are forests considered as green lungs in nature?
- Because they are green in colour
- Because they provide oxygen to animals
- Because they purify the air by destroying harmful microbes
- Because they absorb toxic chemicals in the atmosphere
With an increase in population, the demand for all the resources is
- decreasing slowly
- decreasing exponentially
- increasing exponentially
- increasing slowly
Which of the following processes is NOT responsible for destruction of biodiversity?
- Animal grazing
- Urbanisation
- Deforestation
- Use of biofertilisers