Question:
What do the 3Rs stand for in context with conservation of natural resources?
Answer:
The 3Rs stand for, reduce reuse and recycle.
Reduce-to useless
Reuse - to put again into service without changing
Recycle - to put again into service with changing
Resources
Q 1.
What are population pyramids? How do they help in understanding about the population of a country?
Q 2.
Which are the two main climatic factors responsible for soil formation?
Q 3.
Write a brief note on Intensive subsistence farming.
Q 4.
Which industry is often referred to as the backbone of modem industry and why?
Q 5.
What is Nomadic herding?
Q 6.
What is meant by the term industry?
Q 7.
Which sources of energy would you suggest for (a) rural areas (b) coastal areas (c) Arid Regions?
Q 8.
Name any three common minerals used by you every day.
Q 10.
What is mixed cropping or mixed farming?
Q 11.
In India agriculture is a primary activity.
Q 12.
Different crops are grown in different regions.
Q 13.
Mention a few minerals and their uses.
Q 14.
Human interference and changes of climate can maintain the ecosystem ?
Q 15.
Distinguish between Ferrous and nonferrous minerals
Q 16.
Name the 3 sectors of activities done by people.
Q 17.
What are the two main classifications of power resources?
Q 18.
Give a brief description of soil composition or the layers of soil ?
Q 19.
Why are resources distributed unequally over the earth?
Q 20.
Write a brief note on the Ministry of Human Resource Development in India.
Q 21.
Differentiate between emigrants and immigrants.
Q 22.
Why people are considered a resource?
Q 23.
Discuss the role of any two factors influencing population change.
Q 24.
Distinguish between Conventional and non conventional sources of energy
Q 25.
Distinguish between Biogas and natural gas
Q 26.
Resources have value- discuss ?
Q 27.
How can one increase agricultural production?
Q 28.
Name a few landforms.
Q 29.
Write a brief note on terrace farming and intercropping.
Q 30.
What are the causes for the destruction of natural vegetation and wildlife?
Q 31.
Why is population growth slowing in united Kingdoms?
Q 32.
Distinguish between the followings.
Primary activities and tertiary activities.
Q 33.
The world population has grown very rapidly. Why?
Q 34.
What are the four Characteristics of resources?
Q 35.
How are mineral extracted from earth?
Q 36.
Give a brief note on mining.
Q 37.
Mention some methods that are used to conserve soil
Q 38.
What are bio reserves?
Q 39.
Name any two steps that government has taken to conserve plants and animals.
Q 40.
Give Reason for Environmental aspects must be carefully looked into before building huge dams.
Q 41.
Give reason for Petroleum is referred to as black gold.
Q 42.
What can we do to conserve resources?
Q 43.
Why are human resources important?
Q 44.
Differentiate between Ubiquitous and localised resources?
Q 45.
What is plantation agriculture?
Q 46.
Name the fibre crops and name the climatic conditions required for their growth.
Q 47.
Why is land considered an important resource?
Q 48.
What is an ore? Where are the ores of metallic minerals generally located?
Q 49.
What is a resource?
Q 50.
What are abiotic resources?
