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Resources of India and World Test 34

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Resources of India and World Test 34
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Weekly Quiz Competition
  • Question 1
    1 / -0
    When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour?
  • Question 2
    1 / -0
    If the soil pH 9.2, then the soil is _________.
    Solution

    • Soil is categorized as alkaline, if the pH value is greater than 8.5
    • Soil is categorized as saline, if the pH value is greater than 7 but lesser than 8.5
    • Soil is categorized as acidic, if the pH value is lesser than 7.0
    • Soil is categorized as Neutral, if the pH value is equal to 7.0
    • The optimal pH range for most plants is between 5.5 and 7.0
  • Question 3
    1 / -0
    Consider the following statements:
     1. The plain of younger alluvium is called Bhangar.
     2. The plain of older alluvium is called Khadar.
    Which of the statements given above is/are true? 
    Solution
    • The plain of younger alluvium is called Khadar
    • The plain of older alluvium is called Bhangar
    • The above classification of soils is called Geological classification of alluvial soils
    • The Bhabar and Terai are the other types under alluvial soil geological classification system
    • Bhabar- Not suitable for agriculture due to its porous nature.
    • Terai - Thicky and marshy tract with richness in Nitrogen. It is suitable for certain type of crops like wheat, rice, etc. Also, well known for Fauna.
  • Question 4
    1 / -0
    Which one of the following is the main reason for the loss of the top soil in India?
  • Question 5
    1 / -0
    Consider the following statements.
    1) National Parks are a special category of protected areas of land and sea coasts where people are an integral part of the system.
    2) Sanctuaries are concerned with conservation of particular species.
    3) Biosphere Reserves are connected with the habitat of a particular wild animal.
    Which of the statements given above is/are correct?
  • Question 6
    1 / -0
    Consider the following statements regarding laterite soils of India: 
    1. Laterite soils are generally red in colour.
    2. Laterite soils are rich in nitrogen and potash.
    3. Laterite soils are well developed in Rajasthan and Uttar Pradesh.
    4. Tapioca and cashew nuts grow well in this soil.
    Which of the statements given above is/are correct?
  • Question 7
    1 / -0
    Cosider the following statements about black soil of India
    1. Black soil becomes sticky when it is wet.
    2. Black soil contains adequate nitrogen as well as phosphorus required for the growth of plants.
    Which of the statements given above is/are correct?
  • Question 8
    1 / -0
    Cotton is facing competition from sugarcane in the region of the black soil in Maharashtra. This is due to __________.
  • Question 9
    1 / -0
    Which one of the following terms for natural vegetation is associated with Siberia?
  • Question 10
    1 / -0
    Consider the following statements:
     1. 'Regur soil' is another name for the Black soil.
     2. Saline soil is also known as Usara soil.
    Which of the statements given above is/are true?
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