Practice test

Agriculture - Test Set 2

Review 18 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

18 questions

Questions and explanations

  1. Question 1

    Mulching prevents the loss of
    1. microbes
    2. moisture
    3. mineral
    4. organic matter
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  2. Question 2

    The ideal temperature for composting is
    1. 300 C-400 C
    2. 400 C-500 C
    3. 500 C-600 C
    4. 600 C-700 C
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  3. Question 3

    Roof topb water harvesting is highest in
    1. Brazil
    2. Ghana
    3. India
    4. China
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  4. Question 4

    Loss of water is maximum from
    1. leaf surface
    2. soil surface
    3. root
    4. stem surface
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  5. Question 5

    Cattle waste has COD several times higher than BOD because of
    1. high levels of fiber
    2. high levels of microflora
    3. high levels of cellulose, lignin and fiber
    4. All of the above
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  6. Question 6

    The fertility of soil is reduced by -
    1. Ammonifying bacteria
    2. Denitrifying bacteria
    3. Nitrifying bacteria
    4. Nitrogen fixing bacteria
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  7. Question 7

    Profuse growth of aquatic vegetation that often changes the colour of water body is known as
    1. Algal bloom
    2. Eutrophication
    3. Fermentation
    4. Both A and B
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  8. Question 8

    Which of the following have coral reefs?
    1.Andaman and Nicobar Islands
    2.Gulf of Kachchh
    3.Gulf of Mannar
    4.Sunderbans
    Select the correct answer using the code given below.
    1. 1, 2 and 3 only
    2. 2 and 4 only
    3. 1 and 3 only
    4. 1, 2, 3 and 4
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  9. Question 9

    Many transplanted seeding do not grow because
    1. the new soil does not contain favourable
    2. most of the root hairs grip the new soil too hard
    3. most of the root hair are lost during transplantation
    4. leaves get damaged during transplantation
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  10. Question 10

    Consider the following crops:
    1. cotton
    2.groundnuts
    3.rice
    4.wheat
    Which of these are Kharif crops?
    1. 1 and 4
    2. 2 and 3 only
    3. 1,2 and 3
    4. 2,3 and 4
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  11. Question 11

    Improper handling and storage of cereal grains and oil seeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process.
    Aflatoxins are produced by
    1. bacteria
    2. protozoa
    3. moulds
    4. viruses
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  12. Question 12

    Consider the following organisms:
    1. Agaricus
    2. Nostoc
    3. Spirogyra
    Which of the above is/are used as biofertilizer?
    1. 1 and 2
    2. 2 only
    3. 2 and 3
    4. 3 only
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  13. Question 13

    WHich of the following adds/add nitrogen to the soil?
    1. Execretion of urea by animals
    2. Burning of coal by man
    3. Death of vegetation
    Select the correct answer using the codes given below.
    1. 1 only
    2. 2 and 3 only
    3. 1 and 3 only
    4. 1, 2 and 3
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  14. Question 14

    Photochemical smog is a resultant of the reaction among
    1. NO2 , O3 and peroxyacetyl nitrate in the presence of sunlight
    2. CO, O2 and peroxyacetyl nitrate in the presence of sunlight
    3. CO, CO2 and NO2 at low temperature
    4. High concetration of NO2 O3 and CO in the evening
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  15. Question 15

    Whit Reference to the usefulness of the by producta of sugar industry, which of the following statements is/are correct?
    1. Begasse can be used as biomass fuel for the generation of energy
    2. Molasses can be used as one of the feedstocks for the production of synthetic chemical fertilizers.
    3.Molasses can be used for the production of ethanol.
    Selelct the correct answer using the codes given below:
    1. 1 only
    2. 1 and 3 only
    3. 2 and 3 only
    4. 1, 2 and 3
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  16. Question 16

    Contour bunding is a method of soil conservation used in
    1. Deset margins, liable to strong wind action
    2. Low flat plains, close to stream course, liable to flooding
    3. Scrublands, liable to spread of weed growth
    4. None of the above
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  17. Question 17

    In India, the problem of soil erosion is associated with which of the following?
    1.Terrace cultivation
    2.Deforestation
    3.Tropical Climate
    Select the correct answer using the code given below.
    1. 1 and 2 only
    2. 2 only
    3. 1 and 3 only
    4. 1, 2 and 3
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  18. Question 18

    In India, cluster bean (Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance. Which one of the following statements is correct in this context?
    1. The oil extracted from seeds is used in the manufacture of biodegradable plastics
    2. The gum made from its seeds is used in the extraction of shale gas
    3. The leaf extract of this plant has the properties of anti-histamines
    4. It is a source of high quality biodiesel
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