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10th Class

Agriculture - Important Terms And Concepts

  Agriculture   Important Terms and Concepts  
  •         Agriculture. It is an economic activity related to cultivation of crops, animal rearing and fishing.
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  •         Commercial Farming. Farming in which crops are grown with the use of modern technology mainly for commercial purposes to obtain high productivity.
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  •         Green Revolution. A package programme to increase the productivity of food grains with the help of HYV seeds, machines, irrigation and fertilisers, etc.
    • Green revolution  
  •         Horticulture. Specialised cultivation of fruits and vegetables.
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  • more...
    • Catgeory: 10th Class

    Agriculture - Chapter Coverage

      Agriculture       Chapter Coverage  
    • Types of Farming 
     
    • Jhumming 
     
    • Cropping Pattern
     
    • Major Crops, Food Crops other than Grains
     
    • Horticulture Crops
     
    • Non Food Crops
     
    • Sericulture
     
    • Technological and Institutional Reforms
     
    • Contribution of Agriculture of National Economy, Employment and Output
    Catgeory: 10th Class

    Minerals and Energy Resources - Important Terms And Concepts

      Minerals and Energy Resources   Important Terms And Concepts  
  •        Biogas. Energy produced by using shrubs, farm waste, animal and human wastes.
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  •        Conventional Sources of Energy. Traditional sources of energy like coal, petroleum, natural gas.
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  •        Geologists. Experts who study about rocks, their age, formation of minerals and physical and chemical composition.
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  •        Minerals. Naturally   occurring substances on the earth's surface having a definite chemical composition.
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  •        Mineral Ore. Minerals from which metals are extracted in a raw state from the earth.
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  •        Non-conventional Sources of Energy. Renewable sources of energy which are recently developed like solar, wind, tidal, etc.
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  •        Open Cast Mining. A method of mining by removing the overlying more...
    • Catgeory: 10th Class

    Minerals and Energy Resources - Chapter Coverage

      Minerals and Energy Resources     Chapter Coverage  
    • Classification of Minerals
     
    • Mode of Occurrence of Minerals
     
    • Ferrous Minerals
     
    • Non Ferrous Minerals 
     
    • Non Metallic Minerals
     
    • Rock Minerals
     
    • Conservation of Minerals
     
    • Energy Resources
     
    • Conventional Sources of Energy
     
    • Natural Gas
     
    • Non-conventional Sources of Energy
     
    • Conservation of Energy Resources
     
    Catgeory: 10th Class

    Manufacturing Industries - Important Terms And Concepts

      Manufacturing Industries                                                    Important Terms And Concepts  
  • Agro Based Industries. Industries that process agricultural raw materials, e.g. Cotton textiles.
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  • Basic Industry. Industry on which several large-scale and small-scale industries depend, e.g., Iron and steel, chemical industry.
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  • Consumer Industries. Industries which produce goods like plastics, utensils for the consumption of people.
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  • Cooperatives. Industries owned and organised by members form a cooperative society who pool their resources for profits and losses, e.g., Amul Delhi Milk Scheme.
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  • Heavy Industry. These industries use heavy raw materials to produce heavy goods like Heavy Engineering.
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  • Joint Sector Industries. Industries which are jointly owned more...
    • Catgeory: 10th Class

    Manufacturing Industries - Chapter Coverage

      Manufacturing Industries     Chapter Coverage
    • Importance of Manufacturing
     
    • Classification of Industries 
     
    • Contribution of Industries to National Economy 
     
    • Agro based Industries
     
    • Mineral based Industries
     
    • Aluminium Smelting  
     
    • Chemical Industries
    Catgeory: 10th Class

    Resources and Development - Chapter Coverage

      Resources and Development     Chapter coverage   ·                     Resources  ·                     Classification of Resources ·                     Development of Resources  ·                     Resource Planning  ·                     Conservation of Resources   more...
    Catgeory: 10th Class

    Resources and Development - Important Terms and Concepts

      Resources and Development   Important Terms And Concepts  
  • Objects or things in the environment that fulfill the basic needs of man which are technologically accessible, economically feasible and culturally acceptable.
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  • Natural Resources. Resources which are endowments/gifts of nature like rivers, mountains, forests, etc.
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  • Resource Development. An exercise that makes it possible to utilize the available natural resources for human satisfaction.
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  • Biotic Resources. Resources obtained from biosphere or living things like plants, animals and human beings.
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  • Abiotic Resources. Resources available from mm living things like rocks, mountains, rivers, etc.
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  • Renewable Resources. Resources which can be used again and again and are inexhaustible, g., forests, wildlife, water, etc.
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  • Non Renewable Resources. Resources which cannot be used again and again and are exhaustible like minerals.
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  • Individual Resources. Resources owned privately by individuals.
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  • Community more...
    • Catgeory: 10th Class

    Real Number

     REAL NUMBER   FUNDAMENTALS
    • Rational numbers: Numbers which can be written in the form of\[\frac{p}{q}(q\ne 0)\], where p and q are integers, are called rational numbers.
    Note: Every terminating decimal and non-terminating repeating decimal can be expressed as a rational number,
    • Irrational numbers: Numbers which cannot be written in the form of \[\frac{p}{q}\]where p and q are integers and q ^ 0 are called irrational, numbers. Numbers which are not rational are called irrational numbers.
    • Real numbers: The rational numbers and the irrational numbers together are called real numbers. Both rational & irrational numbers real line on number line.
      Note: Any number that can be represented on a number line is called a real number.  
    • Lemma: A proven statement which is used to prove another more...
    Catgeory: 10th Class

    Polynomial

    POLYNOMIAL   FUNDAMENTALS
    • Polynomial: A function p(x) of the form \[p(x)={{a}_{0}}+{{a}_{1}}{{x}^{n}}+......+{{a}_{n}}{{x}^{n}},\]where \[{{a}_{0}},{{a}_{1}},.......{{a}_{n}}\]an are real numbers and ‘n’ is a non-negative (positive) integer is called a polynomial.
    Note: \[{{\mathbf{a}}_{\mathbf{0}}}\mathbf{,}{{\mathbf{a}}_{\mathbf{1}}}\mathbf{,}.....{{\mathbf{a}}_{\mathbf{n}}}\] are called the coefficients of the polynomial.
    • If the coefficients of a polynomial are integers, then it is called a polynomial over integers.
    • If the coefficients of a polynomial are rational numbers, then it is called a polynomial over rational numbers.
    • If the coefficients of a polynomial are real numbers, then it is called a polynomial over real numbers.
    • A function \[p(x)={{a}_{0}}+{{a}_{1}}x+........+{{a}_{n}}{{x}^{n}}\] is not a polynomial if the power of the variable is either negative or a fractional number.
    • Standard form: A polynomial is said to be in a standard form if it is written either in the ascending or descending powers of the variable, as \[1+x+2{{x}^{2}}+3{{x}^{3}}-6{{x}^{5}}\times 6{{x}^{6}}\]
    • Degree of a polynomial: The more...
    Catgeory: 10th Class

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