Sustainable Development is that development which satisfies the need of:

• Present generation only

• future generation only

• both (a) & (b)

• none of these

Which of the following is a necessary condition for sustainable development?

• Increase in the quality of life

• Reduction in the level of pollution

• conservation of stock of natural capital

• All of these

Which of the following is not considered as an element of environment?

• Air

• Land

• Weather

• Electricity

Which of the following is a reason of noise pollution?

• Domestic sewerage

• industrial waste

• Industrial machines

• Emission of gases

Non -Renewable resources are those resources which:

• are exausted after use

• are not exausted after use

• have unlimited supply

• none of these

Which of the following is a cause of environmental degradation?

• Population explosion

• Increasing urbanization

• Rapid industrialization

• ALL of these

In which city CNG is being used in transport vehicles?

• Delhi

• Mumbai

• kolkata

• Chennai

Which layer in the atmosphere presents passing of ultraviolet rays through it?

• Troposphere

• Stratosphere

• Ionosphere

• Ozonosphere

Ozone depletion is due to :

• Increase in green house gas concerntrations

• Deforestation

• High levels of chlorine and bromine copounds in the stratosphere

• Land degradadtion

When the surface soil is washed away through excessive rains and floods, it is called:

• Soil erosion

• Land degradation

• Biodiversity

• Deforestation