Resource And Development Chapter 4 Agriculture
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    NCERT Solution For Class 8 Social Science Resource And Development

    Agriculture Here is the CBSE Social Science Chapter 4 for Class 8 students. Summary and detailed explanation of the lesson, including the definitions of difficult words. All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 8 Social Science Agriculture Chapter 4 NCERT Solutions for Class 8 Social Science Agriculture Chapter 4 The following is a summary in Hindi and English for the academic year 2021-2022. You can save these solutions to your computer or use the Class 8 Social Science.

    Question 1
    CBSEENSS8007446

    What is agriculture?

    Solution

    The science and art of cultivation on the soil, raising crops and rearing livestock.

    Question 2
    CBSEENSS8007447

    Name the factors influencing agriculture.

    Solution

    Factors influencing agriculture are topography of soil and climate.

    Question 3
    CBSEENSS8007448

    What is shifting cultivation? What are its disadvantages?

    Solution

    Shifting cultivation is the form of agriculture in which a plot of land is cleared by felling the trees and burning them. The ashes are then mixed with the soil and crops are grown. After the soil loses its fertility, the land is abandoned and the cultivator moves to a new plot.


    It causes deforestation, soil erosion and are not viable on large scale.

    Question 4
    CBSEENSS8007449

    What is plantation agriculture?

    Solution

    Plantation agriculture is a type of commercial farming where only a single crop (like tea, coffee, sugarcane, cashew, rubber, banana or cotton) is grown. Large amount of labour and capital are required. The produce is processed in the farm itself or nearby factories.

    Question 5
    CBSEENSS8007450

    Name the fibre crops and name the climatic conditions required for their growth.

    Solution

    Two major fibre crops are jute and cotton.

    Jute grows well on alluvial soil and requires high temperature, heavy rainfall and humid climate.

    Cotton requires high temperature, light rainfall, two hundred and ten frost-free days and bright sunshine for its growth.

    Question 6
    CBSEENSS8007451

    Horticulture means

    • growing of fruits and vegetables

    • primitive farming

    •  growing of wheat

    Solution

    A.

    growing of fruits and vegetables

    Question 7
    CBSEENSS8007452

    Golden fibre refers to

    • tea

    • cotton

    • jute

    Solution

    C.

    jute

    Question 8
    CBSEENSS8007453

    Leading producers of coffee

    • Brazil

    • India

    • Russia

    Solution

    A.

    Brazil

    Question 9
    CBSEENSS8007454

    Give reasons.

    In India agriculture is a primary activity.

    Solution

    Agriculture is a primary activity. It includes growing crops, fruits, vegetables, flowers and rearing of livestock. In the world, 50 per cent of persons are engaged in agricultural activity. Two-thirds of India’s population is still dependent on agriculture.


    This is due to lack of employment as the sucessive goverment in the country has failed to provide so.

    Question 10
    CBSEENSS8007455

    Give reasons.

    Different crops are grown in different regions.

    Solution

    Favourable topography of soil and climate are vital for agricultural activity. The land on which the crops are grown is known as arable land

    In absence of arable land, growing crop becomes hard. Different crops are grown in different regions to meet suitable geographical location.

    Question 11
    CBSEENSS8007456

    Distinguish between the followings.

    Primary activities and secondary activities.

    Solution

    Primary Activities

    Secondary Activities

    (i) Primary activities include all those connected with extraction and production of natural resources.

    (ii)Examples: agriculture, fishing and gathering.

    (i)Secondary activities are concerned with the processing of these resources.

    (ii)Examples: manufacturing activities in
    industry, baking bread.

    Question 12
    CBSEENSS8007457

    Distinguish between the followings.

    Subsistence farming and intensive farming.

    Solution

    Subsistence Farming

    Intensive Farming

    (i)This type of farming is practised to meet the needs of the farmer’s family.

    (ii)Traditionally, low levels of technology and household labour are used to produce on small output.

    (i)In intensive subsistence agriculture the farmer cultivates a small plot of land using simple tools and more labour.

    (ii)Intensive subsistence agriculture is prevalent in the thickly populated areas of the monsoon regions of south, southeast and east Asia.

    Question 14
    CBSEENSS8007459
    Question 17
    CBSEENSS8007462

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    Question 18
    CBSEENSS8007463
    Question 21
    CBSEENSS8007466
    Question 22
    CBSEENSS8007467

    ___________ and ___________ are two fundamental types of farming.

    Solution

    Subsistence farming

    ,

    commercial farming

    Question 24
    CBSEENSS8007469
    Question 26
    CBSEENSS8007471

    ___________ and ___________ are fibre crops.

    Solution

    Cotton

    ,

    jute

    Question 27
    CBSEENSS8007472

    Tea is a major ____________ crop in India.

    Solution

    plantation

    Question 28
    CBSEENSS8007473
    Question 29
    CBSEENSS8007474
    Question 31
    CBSEENSS8007476
    Question 32
    CBSEENSS8007477
    Question 33
    CBSEENSS8007478
    Question 34
    CBSEENSS8007479
    Question 35
    CBSEENSS8007480

    Match the following options:

    A. Rice (i) moderate temperature and rainfall during growing season
    B. Wheat (ii)  low rainfall, high to moderate temperature
    C.  Millets (iii) high temperature, high humidity and rainfall
    D. Maize (iv) moderate temperature, rainfall, bright sunshine
    E. Cotton (v) cool climate, well distributed high rainfall throughout the year
    F. Coffee (vi) 210 frost-free days
    G. Tea (vii) cool climate, well distributed high rainfall throughout the year

    Solution

    A.

    Rice

    (i)

    high temperature, high humidity and rainfall

    B.

    Wheat

    (ii)

    moderate temperature and rainfall during growing season

    C.

     Millets

    (iii)

     low rainfall, high to moderate temperature

    D.

    Maize

    (iv)

    moderate temperature, rainfall, bright sunshine

    E.

    Cotton

    (v)

    210 frost-free days

    F.

    Coffee

    (vi)

    cool climate, well distributed high rainfall throughout the year

    G.

    Tea

    (vii)

    cool climate, well distributed high rainfall throughout the year

    Question 36
    CBSEENSS8007481

    What involves three basic types of economic activities?

    Solution

    This transformation from a plant to a finished product involves three types of economic activities.

    Tips: -

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    Question 37
    CBSEENSS8007482

    What are tertiary activities?

    Solution

    Tertiary activities are those which provide support to primary and secondary sectors through services.

    Question 38
    CBSEENSS8007483

    Where are agricultural activities concentrated?

    Solution

    Agricultural activities are concentrated in those region of the world where suitable factors  for the growing of crops exist.

    Question 39
    CBSEENSS8007484

    What is arable land?

    Solution

    The land on which crops are grown is called arable land.

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    Question 40
    CBSEENSS8007485

    How is subsistence farming classified?

    Solution

    Subsistence farming is classified into intensive and primitive subsistence agriculture.

    Question 41
    CBSEENSS8007486

    Mention the areas where nomadic herding is practised.

    Solution

    Nomadic herding is practised in the semi-arid and arid regions of Sahara, Central Asia and some parts of India, like Rajasthan and Jammu and Kashmir.

    Question 42
    CBSEENSS8007487

    Describe mixed farming.

    Solution

    In mixed farming the land is used for growing food and fodder crops and rearing livestock. It is practised in Europe, eastern USA, Argentina, southeast Australia, New Zealand and South Africa.

    Question 43
    CBSEENSS8007488

    Describe the  feature of plantation agriculture.

    Solution

    Plantations are a type of commercial farming where single crop of tea, coffee, sugarcane, cashew, rubber, banana or cotton are grown. Large amount of labour and capital are required. The produce may be processed on the farm itself or in nearby factories. The development of a transport network is thus essential for such farming.

    Question 44
    CBSEENSS8007489

    State the geographical conditions required for wheat.

    Solution

    Wheat requires moderate temperature and rainfall during growing season and bright sunshine at the time of harvest. It thrives best in well drained loamy soil.

    Question 45
    CBSEENSS8007490

    Which countries are the leading producer of jute?

    Solution

    India and Bangladesh are the leading producers of jute.

    Question 46
    CBSEENSS8007491

    Describe the three types of economic activities with examples.

    Solution
    The three types of economic activities are described below:


    (i)Primary Activities: Primary activities include all those connected with extraction and production of natural resources.
    Examples: agriculture, fishing, mining.

    (ii)Secondary Activities: Activities which are concerned with the processing of natural resources are called secondary activities.
    Examples: manufacturing of finished steel and baking of bread.

    (iii)Tertiary Activities: It provide support to primary and secondary sectors through services.
    Examples: advertising and banking.

    Tips: -

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    Question 47
    CBSEENSS8007492

    Mention the important inputs and outputs of agriculture along with the operations involved.

    Solution

    The important inputs are seeds, fertilisers, machinery and labour. The outputs from the system include crops, wool, dairy and poultry products.

    Some of the operations involved are ploughing, sowing, irrigation, weeding and harvesting.

    Tips: -

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    Question 48
    CBSEENSS8007493

    Write the areas where shifting cultivation is practised and the crops grown.

    Solution

    Shifting cultivation is practised in the thickly forested areas of Amazon basin, tropical Africa, parts of southeast Asia and Northeast India.

    The crops like maize, yam, potatoes and cassava are grown.

    Tips: -

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    Question 49
    CBSEENSS8007494

    State the climate conditions required for the cultivation of rice. Mention the leading producer of rice.

    Solution

    Rice is the staple diet of the tropical and sub-tropical regions. Rice needs high temperature, high humidity and rainfall. It grows best in alluvial clayey soil, which can retain water.

    China leads in the production of rice followed by India, Japan, Sri Lanka and Egypt. 

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    Question 50
    CBSEENSS8007495

    What is meant by agricultural development? How can this be achieved?

    Solution
    Agricultural Development refers to efforts made to increase farm production in order to meet the growing demand of increasing population.

    This can be achieved in many ways such as increasing the cropped area, the number of crops grown, improving irrigation facilities, use of fertilisers and high yielding variety of seeds. 

    Tips: -

    V. Imp.

    Question 51
    CBSEENSS8007496

    Name the two form of primitive subsistence agriculture.

    Solution
    The two form of primitive subsistence agriculture are:

    (i) Shifting cultivation

    (ii)Nomadic herding

    Tips: -

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    Question 52
    CBSEENSS8007497

    Explain commercial farming with its types.

    Solution
    In commercial farming crops are grown and animals are reared for sale in market. The area cultivated and the amount of capital used is large. Most of the work is done by machines.

    Commercial farming includes commercial grain farming, mixed farming and plantation agriculture 

    (i)In commercial grain farming crops are grown for commercial purpose. Wheat and maize are common commercially grown grains. 

    (ii)In mixed farming the land is used for growing food and fodder crops and rearing livestock.

    (iii)Plantations are a type of commercial farming where single crop of tea, coffee, sugarcane, cashew, rubber, banana or cotton are grown.

    Tips: -

    Imp.

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