Q. Why is crop rotation necessary?

Correct Answer

To increase the fertility of soil

More Questions on Agriculture And Soil in India

  • Q. Black soils are ideal for cultivation of cotton as
    A)They are made of lava
    B)Their colour is black
    C)They can retain moisture
    D)They are found on plateau regions
    Answer: They can retain moisture
  • Q. Which of the following crops is grown in India mainly by dry farming?
    A)Maize
    B)Millet
    C)Tobacco
    D)Groundnut
    Answer: Millet
  • Q. Which of the following are the components of loamy soils? I. Red soil II. Clay soil III. Alluvial soil IV. Silt soil V. Sandy soil
    A)II and V
    B)I and II
    C)I, III and IV
    D)II, III and V
    Answer: II and V
  • Q. “Operation Flood” is related to which
    A)Flood control
    B)Milk production
    C)Wheat production
    D)Water conservation
    Answer: Milk production
  • Q. Wind erosion is common in
    A)Areas where there is thick vegetation
    B)Desert
    C)Cold areas
    D)Areas of heavy rainfall
    Answer: Desert
  • 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. Where is pearl fishing well developed in India?
    A)Off the coast at Rameshwaram
    B)Off the Bengal coast
    C)Off Kerala coast
    D)Nowhere
    Answer: Off the coast at Rameshwaram
  • Q. Which of the following is the correct order of increasing size of the grains of soil particles? 1. Clay 2. Silt 3. Sand 4. Gravel
    A)4, 3, 2, 1
    B)2, 3, 4, 1
    C)1, 2, 3, 4
    D)1, 4, 3, 2
    Answer: 1, 2, 3, 4
  • 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
  • Q. Science dealing with study of soil is called
    A)Ecology
    B)Pedology
    C)Pedagogy
    D)Pomology
    Answer: Pedology
  • Q. Some people in Manipur live in houses bunt on floating islands of weeds and decaying vegetation held together by suspended slit. These islands are called
    A)Phoomdis
    B)Tipis
    C)Barkhans
    D)Izba
    Answer: Phoomdis
  • Q. Natural Vegetation’ refers to ________
    A)A protected area created by using contour bunding
    B)A plant community that has been left undisturbed over a long time
    C)Plant species which live and grow together
    D)All of the above
    Answer: A plant community that has been left undisturbed over a long time
  • Q. Which of the following is called “brown paper”?
    A)Rubber
    B)Jute
    C)Cotton
    D)Tea
    Answer: Jute
  • Q. What is the percentage of Indian population engaged in agriculture?
    A)70
    B)60
    C)50
    D)80
    Answer: 60
  • Q. Black soil derived from volcanic rocks with humus is suitable for growing
    A)Cotton
    B)Rice
    C)Wheat
    D)Grapes
    Answer: Cotton
  • Q. Consider the following crops: 1. Cotton 2. Groundnut 3. Maize 4. Mustard Which of the above are the Kharif crops?
    A)3 and 4
    B)1 and 2
    C)1, 2 and 3
    D)1, 2, 3, and 4
    Answer: 1, 2 and 3
  • Q. Following are the characteristics of an area in India: 1. Hot and humid climate 2. Annual rainfall 200 cm 3. Hill slopes up to an altitude of 1100 metres 4. Annual range of temperature 15° C to 30° C Which one among the following crops are you most likely to find in the area described above?
    A)Pepper
    B)Mustard
    C)Cotton
    D)Virginia tobacco
    Answer: Pepper
  • Q. Which one among the following is not a plantation crop?
    A)Wheat
    B)Coffee
    C)Sugarcane
    D)Rubber
    Answer: Wheat
  • Q. Which of the following soils is formed under typical monsoonal conditions?
    A)Laterite Soils
    B)Black Soils
    C)Red Soils
    D)None of these
    Answer: Laterite Soils
  • Q. The soil of northern plain of India is formed by
    A)Weathering in situ
    B)Degradation
    C)Aggradation
    D)Erosion
    Answer: Aggradation

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