Q. Why is crop rotation necessary?

Correct Answer

To increase the fertility of soil

More Questions on Agriculture And Soil in India

  • Q. IR-20 and RATNA are two main variety of
    A)Jwar
    B)Wheat
    C)Millet
    D)Rice
    Answer: Rice
  • Q. Which of the following are true in respect of alluvial soil ? I. Generally confined to river basins II. It has been deposited by rivers III. It is rich in phosphorus and poor in potash IV. It is the most fertile soil
    A)I, II and IV
    B)I and II
    C)III and IV
    D)I, II and III
    Answer: I, II and IV
  • Q. In which of the area of India, Non-Irrigated Farming is performed?
    A)Coromandal Field
    B)Kanera Field
    C)Deccan Plateau
    D)Ganges Field
    Answer: Deccan Plateau
  • Q. With reference to India, which one of the following statements is not correct?
    A)Alluvial soil is the predominant type of soil in the northern plains of the country
    B)About one-third of the area of the country records more than 750 millimetres of annual rainfall.
    C)The dominant source of irrigation in the country is wells
    D)The mountain areas account for about thirty percent of the surface area of the country
    Answer: The mountain areas account for about thirty percent of the surface area of the country
  • Q. The system or shifting cultivation in the north eastern region of India is called
    A)Taungya
    B)Jhuming
    C)Bewar
    D)Ladang
    Answer: Jhuming
  • Q. Which is the best suited soil for the cultivation of rice?
    A)Alluvial soil
    B)Laterite soil
    C)Red soil
    D)Black soil
    Answer: Alluvial soil
  • Q. Crop rotation refers to ________
    A)Growing same crop in alternate years
    B)Method of farming without irrigation in an area of limited rainfall
    C)Farming done on the same land by different people turn-wise
    D)Growing different crops in succession
    Answer: Growing different crops in succession
  • Q. Which of the following factor affects the agriculture in India?
    A)Wind
    B)Temperature
    C)Humidity
    D)Rain
    Answer: Rain
  • Q. Turpentine oil is obtained from
    A)Eucalyptus tree
    B)Cashew nut shell
    C)Pine tree
    D)Cinchona tree
    Answer: Pine tree
  • Q. Of the following statements about the major soil types, the incorrect one is ________
    A)Laterite is typically a soil of tropical regions which receive heavy seasonal rainfall
    B)Alluvial soils are easy to plough
    C)Red soils are rich in phosphorus, nitrogen and lime content
    D)Black soil is highly retentive of moisture and very productive
    Answer: Red soils are rich in phosphorus, nitrogen and lime content
  • Q. Petrology is the study of
    A)Rock
    B)Land
    C)Mineral
    D)Soil
    Answer: Rock
  • Q. Which of the following soils is very hard to cultivate?
    A)Red
    B)Alluvial
    C)Black
    D)Sandy
    Answer: Sandy
  • Q. Which of the statements given are correct about the soils of India : 1. High temperature during most of the year retards formation of humus 2. Soils which have humus require regular application of chemical fertilizers to remove nitrogen deficiency 3. Titanium salts in basalt impart black, colour to the soils of the Indian plateau 4. Red soils are confined to the peripheral areas of the Indian plateau
    A)2 and 3
    B)1 and 2
    C)1, 3 and 4
    D)2 and 4
    Answer: 1, 3 and 4
  • Q. Which of the following is not a rabi crop?
    A)Mustard
    B)Wheat
    C)Maize
    D)Grain
    Answer: Maize
  • Q. Which of the following can be used to correct acidic soil?
    A)Vegetable compost
    B)Gypsum
    C)Lime
    D)Calcium superphosphate
    Answer: Lime
  • Q. Which of the following is a cash crop?
    A)Rice
    B)Wheat
    C)Millets
    D)Rubber
    Answer: Rubber
  • Q. The Step farming is performed on
    A)Terrace
    B)Slopes of Hills
    C)In Dry Areas
    D)Peak of the Hills
    Answer: Slopes of Hills
  • Q. Which of the following component was not the part of agricultural policy of Green Revolution?
    A)New agricultural technology
    B)High density of crops
    C)Guaranteed maximum price
    D)Investment package
    Answer: Guaranteed maximum price
  • Q. The soil found in the Eastern and Western coasts of India is ________.
    A)Black Cotton
    B)Red Rocky
    C)Laterite
    D)Alluvial
    Answer: Laterite
  • Q. Which one among the following is not a reason for practising tank irrigation in the Peninsular India?
    A)Most of the rivers of Peninsular India are perennial
    B)The undulating relief and hard rocks
    C)Little percolation of rain water due to impervious rock structure
    D)There are many streams which become torrential during rainy season
    Answer: Most of the rivers of Peninsular India are perennial

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