Class 8 Ch-1 Resources

Which of these have some utility?

• Water

• Vegetables

• Electricity

• All of these

Value means

Which of these have economic value

• Landscape

• Home remedies

• Metals

• None of these

Balancing the needs to use resources and also conserve them for future generation is called

• Development

• Devalution

• Sustainable development

• None of these

……………….. is the application of latest knowledge and skill is doing or making things.

Non-renewable resources have unlimited stock.

• False

• True

Resources used carefully and giving them time to get renewed is called

• Resource depletion

• Resource conservation

• Resource pollution

• Resource conversation

People use natural resources to make buildings, bridges, roads, machinery and vehicles, which are known as

• Human resource

• Human-made resource

• Natural resource

• None of these

Coal is an example of

• Non-renewable resource

• Renewable resource

• Human made resource

• None of these

_____ means the exclusive right over any idea or invention