What is meant by recycling of metals?
Taking the cycle from one place to another
Using the discarded metal once again
Mixing the discarded metal with paper
Washing the metal and polishing them
Resources used carefully and giving them time to get renewed are called:
resource depletion
resource conservation
resource pollution
resource exploitation
Resources are distributed unequally over the earth because of:
the different natural conditions
level of development
technological levels
all of these
Give an example of biotic resources:
rocks
minerals
soils
animals
What is meant by 'Sustainable development' ?
Use of non - renewable resources without thinking properly
Use of all kinds of natural resources to meet the demand of the growing population intensively
Utilizing all resources carefully so that the needs of present generation as well as the future generation is also taken care of
Using of resources for present generation only
Abiotic resources are:
derived from living things
made by human beings
derived from non-living things
derived from nature
Which one of the following is not the way of saving energy at home ?
Switching off lights when not in use
Keeping gas off lights when not in use
Cooking food in an open pan on low flame
Not switching on lights during day time
Which one of the following makes substance a resource?
Quality
Utility
Place of availability of that resource
Price of the resource
The law passed in Delhi under Clean Air Act, that all vehicles must have a pollution free certificate, provides:
Aesthetic value
Legal value
Ethical value
Economical value
Resources which are found everywhere are termed as
potential resources
natural resources
actual resources
ubiquitous resources
