Q1.) Why is iron and steel dependent upon coal and limestone?
Q2.)Make a report on cotton textile industry?
Q3.)Why is Ahmedabad called "Manchester of India"?
Q4.) Why is Osaka termed as "Manchester of Japan"?
Q5.)What is information technology,?
Answers
Explanation:
Q1. What is the present average density population of World and India?
Ans: Average density population of the world is 45 persons per sq. km. and India is 364 persons per sq. km.
Q2. Name is least populous continent of the world.
Ans: Antarctica is the least populated continent in the world.
Q3. What do you mean by the age-sex pyramid?
Ans: Age-sex pyramid also known as the Population Pyramid is a graphical representation of the age, sex composition of the population.
Q4. List out the factors responsible for the rapid growth of world population.
Ans: Factors responsible for the rapid growth of world population are:
(a) Geographical Factors: Relief, Climate, Natural Resources, Soil, Water, Minerals.
(b) Social Factors.
(c) Cultural Factors.
(d) Economic Factors.
Q5. Define the following: (a) Birth Rate (b) Death Rate (c) Human Resource.
Ans:
(a) Birth Rate: The number of live births per 1000 persons is called birth rate.
(b) Death Rate: The number of deaths per 1000 persons is called death rate.
(c) Human Resource: Human Resource or people are the greatest asset to a nation. Human beings use their knowledge and skill to convert natural resource into more valuable goods.
Short Answer Questions
Q1. How would you distinguish between productive and dependent population?
Ans:
Q2. Discuss the importance of human resource.
Ans: Human resource or people are a nation's greatest resource; they are an asset to a nation. People are important to develop the economy and society. It is people with their demands and abilities that turn a thing into 'resources'. Human beings use their knowledge and skill to convert natural resource into more valuable goods. Hence, human resource is the ultimate resource. Healthy, educated and motivated people develop resources as per their requirements. Human resources like other resources are not equally distributed over the world.
Long Answer Questions
Q1. Describe the various factors affecting the distribution of population in the world.
Ans: Following are the factors affecting the distribution of population in the world:
Geographical Factors:
(a) Topography: People always prefer to live on plains rather than mountains and plateaus because these areas are suitable for farming, manufacturing and service activities. The Ganga plains are the most densely populated areas of the world while mountains like Andes, Alps and Himalayas are sparsely populated.
(b) Climate: People usually avoid extreme climates that are very hot or very cold like Sahara desert, Polar Regions of Russia, Canada and Antarctica.
(c) Soil: Fertile soils provide suitable land for agriculture. Fertile plains such as Ganga and Brahmaputra in India, Hwang-He, Chang Jiang in China and the Nile in Egypt are densely populated.
(d) Water: People prefer to live in the areas where fresh water is easily available. The river valleys of the world are densely populated while deserts have spare population.
(e) Minerals: Areas with mineral deposits are more populated. Diamond mines of South Africa and discovery of oil in th
Answer:
1.Basically limestone is used as a slag former. Dolomite is used as a slag former, slag modifier and as a refractory material. The process of iron making is the reduction of iron ore to produce iron. ... During steel making high basicity of the steel making slag is being maintained with the help of lime.
2.The cotton textile industry is an organised sector. The cotton mills has two mills- Spinning Mills of Yarn and Composite mills of Yarn and Cloth both.
3.Ahmedabad is often referred to as the 'Manchester of India'. Favorable locational factors were responsible for the development of the textile industry in Ahmedabad. Ahmedabad is situated in the heart of a cotton-growing area. This ensures the easy availability of raw material
4.Osaka is an important textile centre of Japan and is known as the 'Manchester of Japan'. The textile industry developed in Osaka due to several geographical factors. The extensive plain around Osaka ensured that land was easily available for the growth of cotton mills.
5.the study or use of electronic equipment, especially computers, for collecting, storing and sending out information