Soil | Science | Chapter 9 | Class 7th | Questions and Answers |

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Book Cover Science Class 7th


JANDKNCERT | Science | Class 7th |

Soil | Science | Chapter 9 | Class 7th | Questions, and Answers |

 

    Chapter 9: Soil

    EXERCISE

     

    Tick the most suitable answer in questions 1 to 5.

    Q1. In addition to the rock particles, the soil contains

    (i) Air and water

    (ii) Water and plants

    (iii) Minerals, organic matter, air, and water

    (iv) Water, air, and plants

    Ans. (iii) Minerals, organic matter, air, and water

     

    Q2. The water holding capacity is the highest in

    (i) Sandy soil

    (ii) Clayey soil

    (iii) Loamy soil

    (iv) A mixture of sand and loam

    Ans. (ii) Clayey soil

     

    Q3. The process of soil formation is called

    (i) Conservation

    (ii) Weathering

    (iii) Erosion

    (iv) Pedogenesis

    Ans. (ii) Weathering

     

    Q4. Soil profile consists of

    (i) Two layers

    (ii) Three layers

    (iii) Four layers

    (iv) Five layers

    Ans. (iii) Four layers

     

    Q5. Humus is present in

    (i) A-Horizon

    (ii) B-Horizon

    (iii) C-Horizon

    (iv) Bedrock

    Ans. (i) A-Horizon

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