Question:
How are mineral extracted from earth?
Answer:
Minerals can be extracted by Mining; Drilling and Quarrying.
Resources
Q 1.
Which are the two main climatic factors responsible for soil formation?
Q 2.
What are population pyramids? How do they help in understanding about the population of a country?
Q 3.
Which industry is often referred to as the backbone of modem industry and why?
Q 4.
Distinguish between Biogas and natural gas
Q 5.
Mention the different types of resources.
Q 6.
Write a brief note on terrace farming and intercropping.
Q 7.
Name any two steps that government has taken to conserve plants and animals.
Q 8.
What is Nomadic herding?
Q 9.
What is plantation agriculture?
Q 10.
What are the four Characteristics of resources?
Q 11.
How was the word agriculture, coined?
Q 13.
Mention some methods that are used to conserve soil
Q 14.
Why is land considered an important resource?
Q 15.
What is meant by the term industry?
Q 16.
Distinguish between Metallic and non metallic minerals
Q 17.
What is mixed cropping or mixed farming?
Q 18.
What is the average density of population in India?
Q 19.
The world population has grown very rapidly. Why?
Q 20.
Discuss the role of any two factors influencing population change.
Q 21.
Rows of trees planted in the coastal areas to check the wind movement is called intercropping ?
Q 22.
How can one increase agricultural production?
Q 23.
What are the classifications of minerals?
Q 24.
Give a brief note on mining.
Q 26.
What are the causes for the destruction of natural vegetation and wildlife?
Q 27.
What is sustainable development?
Q 28.
What is shifting cultivation? What are its disadvantages?
Q 29.
Write any two reasons for land degradation today?
Q 30.
Distinguish between the followings
(i) Agro-based and mineral based industry.
Q 31.
Give reason for Petroleum is referred to as black gold.
Q 32.
Quarrying can become a major environmental concern.
Q 33.
Give a few examples of man-made resources and natural resources ?
Q 34.
What is the difference between Subsistence farming and Commercial farming?
Q 35.
How are mineral extracted from earth?
Q 36.
Name the different rocks that minerals occur in?
Q 37.
Write a brief note on salt.
Q 38.
What do the 3Rs stand for in context with conservation of natural resources?
Q 39.
Name a few landforms.
Q 40.
What is a water-cycle?
Q 41.
What is population density?
Q 42.
What are the different characteristics of population composition?
Q 43.
What is resource conservation?
Q 44.
Name the factors influencing agriculture?
Q 45.
Name the fibre crops and name the climatic conditions required for their growth.
Q 46.
Which are the main factors which influence the location of an industry?
Q 47.
Name any three common minerals used by you every day.
Q 48.
What is an ore? Where are the ores of metallic minerals generally located?
Q 49.
Give Reason for Environmental aspects must be carefully looked into before building huge dams.
Q 50.
Give reason for Most industries are concentrated around coal mines.
