Question:
What is population density?
Answer:
Population density refers to the number of people per square kilometer of land area. The average density of population in the whole world is 45 persons per square km.
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.
Which industry is often referred to as the backbone of modem industry and why?
Q 4.
What is mixed cropping or mixed farming?
Q 5.
What is meant by the term industry?
Q 6.
Write a brief note on Intensive subsistence farming.
Q 7.
What is Nomadic herding?
Q 8.
Name any three common minerals used by you every day.
Q 9.
Which sources of energy would you suggest for (a) rural areas (b) coastal areas (c) Arid Regions?
Q 10.
Distinguish between Biogas and natural gas
Q 12.
Name any two steps that government has taken to conserve plants and animals.
Q 13.
What are the two main classifications of power resources?
Q 14.
Distinguish between Ferrous and nonferrous minerals
Q 15.
Name the 3 sectors of activities done by people.
Q 16.
How can one increase agricultural production?
Q 17.
Give a brief description of soil composition or the layers of soil ?
Q 18.
Name the fibre crops and name the climatic conditions required for their growth.
Q 19.
Different crops are grown in different regions.
Q 20.
Why people are considered a resource?
Q 21.
The world population has grown very rapidly. Why?
Q 22.
Mention the different types of resources.
Q 23.
Resources have value- discuss ?
Q 24.
Write a brief note on wind power ?
Q 25.
What are abiotic resources?
Q 26.
What are the activities under the secondary sector?
Q 27.
Write a brief note on the Ministry of Human Resource Development in India.
Q 28.
What is plantation agriculture?
Q 29.
In India agriculture is a primary activity.
Q 30.
Write any two reasons for land degradation today?
Q 31.
Rows of trees planted in the coastal areas to check the wind movement is called intercropping ?
Q 32.
Quarrying can become a major environmental concern.
Q 33.
Distinguish between Conventional and non conventional sources of energy
Q 34.
What can we do to conserve resources?
Q 35.
How was the word agriculture, coined?
Q 36.
What is the difference between Subsistence farming and Commercial farming?
Q 37.
How are mineral extracted from earth?
Q 38.
Give a brief note on mining.
Q 39.
What do the 3Rs stand for in context with conservation of natural resources?
Q 41.
How does land fulfil our needs?
Q 42.
Write a brief note on terrace farming and intercropping.
Q 43.
What is population study known as?
Q 44.
Why is population study essential?
Q 45.
Distinguish between the followings.
Primary activities and tertiary activities.
Q 46.
Discuss the role of any two factors influencing population change.
Q 47.
What is meant by population composition?
Q 48.
Complete the sentences below using some of the following words, sparsely, favourable, fallow, artificial, fertile, natural, extreme, densely
Q 49.
Why is land considered an important resource?
Q 50.
Ganga-Brahmaputra plain of India is an overpopulated region.
