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Social StudiesClass 8CBSE

Why is land considered an important resource?

nswer: Land is considered an important resource because it can be put to use for various purposes like agriculture, forestry, mining, building houses, roads and setting up of industries.

Social StudiesClass 8CBSE

Write any two reasons for land degradation today.

Answer: The overuse of chemical fertilizers and deforestation are the two main reasons for land degradation. The growing population and their ever-growing demand has led to large scale destruction of forest cover and arable land and has created a fear of losing this natural resource.

Social StudiesClass 8CBSE

Which are the two main climatic factors responsible for soil formation?

Answer: Two main climatic factors responsible for soil formation are temperature and rainfall, in which rainfall influences the rate of weathering and humus formation.

Social StudiesClass 8CBSE

(vi) Co-operatives: ______________________ and _____________

Answer: Mother Dairy and Anand Milk Union Limited (Amul)

Social StudiesClass 8CBSE

(v) Cottage Industries: ___________ and ________________

Answer: pottery and basket weaving

Social StudiesClass 8CBSE

(iv) Agro-based Industries: ____________ and ____________

Answer: Dairy and Sugar

Social StudiesClass 8CBSE

(iii) Tertiary Activities: ________________ and __________

Answer: Transport and banking

Social StudiesClass 8CBSE

(ii) End products: _______________ and _________________________

Answer: Steel and Cloth

Social StudiesClass 8CBSE

(i) Raw Materials: _____________ and _____________________

Answer: Iron ore and Cotton

Social StudiesClass 8CBSE

Public sector and joint sector industry

Answer: Industries owned and operated by the government are public sector industries. Steel Authority of India Limited and Hindustan Aeronautics Limited are examples of Public sector industries. On the other hand, joint sector industries are owned and operated by the state and individuals or a group of individuals. Maruti Udyog Limited is an example of joint sector industry.

Social StudiesClass 8CBSE

Distinguish between the following. (i) Agro-based and mineral-based industry

Answer: Agro-based industries use plant and animal-based products as their raw materials. It is a source of employment for people in rural areas. Food processing, vegetable oil, cotton textile, dairy products and leather industries are examples of agro-based industries, whereas mineral-based industries are primary industries that use mineral ores as their raw materials. It is a source of employment for both rural and urban populations. Steel and Iron Industries and Heavy

Social StudiesClass 8CBSE

ii) Which one of the following is a natural fiber? (a) nylon (b) jute (c) acrylic

Answer: (b) Jute

Social StudiesClass 8CBSE

(i) Fort Gloster is located in (a) West Bengal (b) California (c) Gujarat

Answer: (a) West Bengal

Social StudiesClass 8CBSE

Why has the cotton textile industry rapidly expanded in Mumbai?

Answer: The warm and moist climate, proximity to the port, easy availability of raw materials and skilled labour helped in the rapid expansion of the cotton textile industry in Mumbai

Social StudiesClass 8CBSE

Which industry is often referred to as the backbone of the modern industry and why?

Answer: Steel is called the backbone of modern industry because almost everything we use is either made of steel or has been made with machinery or tools made out of steel. The steel industry is basically the feeder industry, whose products are the raw materials for other industries.

Social StudiesClass 8CBSE

Which are the main factors which influence the location of an industry?

Answer: Setting up an industry leads to the development and growth of that location. The factors that affect the location of industries are the easy availability of raw materials and land, adequate supply of water and labour, access to power and transport, presence of markets and a good amount of capital. Sometimes, the government also provides incentives like subsidised power, lower transport cost and other infrastructural facilities. This is done to encourage industrie

Social StudiesClass 8CBSE

Complete the sentences below using some of the following words. (sparsely, favourable, fallow, artificial, fertile, natural, extreme, densely) When people are attracted to an area, it becomes ………………….. populated. Factors that influence this include ………………….. climate, good supplies of ………………….. resources and ………………….. land.

Answer: When people are attracted to an area, it becomes densely populated. Factors that influence this include favourable climate, good supplies of natural resources and fertile land.

Social StudiesClass 8CBSE

What is a population pyramid? (a) A graphical presentation of the age-sex composition of a population. (b) When the population density of an area is so high that people live in tall buildings. (c) Pattern of population distribution in large urban areas.

Answer (a) A graphical presentation of the age-sex composition of a population

Social StudiesClass 8CBSE

In 1999, the world population reached (a) 1 billion (b) 3 billion (c) 6 billion

Answer (c) 6 billion

Social StudiesClass 8CBSE

Which are the three main factors that cause population change? (a) Births, deaths and marriage (b) Births, deaths and migration (c) Births, deaths and life expectancy

Answer (b) Births, deaths and migration.

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