RAEO & RHEO QUIZ 15 | Online Daily Quiz

Daily RAEO & RHEO Quiz 15

RAEO & RHEO QUIZ 15

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Agronomy 

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1. 1
2. 2
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5. 5
6. 6
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12. 12
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14. 14
15. 15

1. Answered
2. Review

1. Question 1 of 15

   1. Question

   1 points

   Which one of the following types of resistance is present in a crop variety showing high degree of resistance to a pathogen but becoming susceptible to it after large scale cultivation for 4 to 5 years or so?

   • Vertical resistance
   • Horizontal resistance
   • Durable resistance
   • General resistance
   Correct
   

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   Incorrect
   

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2. Question 2 of 15

   2. Question

   1 points

   Which one of the following food grains is most coarse ?

   • Panicum miliaceum
   • Echinochloa frumentacea
   • Setaria italic
   • Paspalum scrobiculatum
   Correct
   

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3. Question 3 of 15

   3. Question

   1 points

   Which one of the following pairs of crops and critical stage of irrigation is not correctly matched?

   • Bajra : Ear head
   • Cotton : Pre-flowering
   • Wheat : Crown root initiation
   • Groundnut : Pod development
   Correct
   

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4. Question 4 of 15

   4. Question

   1 points

   Contribution of photosynthates is about

   • 52%
   • 35%
   • 40%
   • 20%
   Correct
   

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5. Question 5 of 15

   5. Question

   1 points

   Which one of the following crops is most sensitive to both excess moisture and drought?

   • Direct seeded rice
   • Maize
   • Sunflower
   • Sorghum
   Correct
   

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   Incorrect
   

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6. Question 6 of 15

   6. Question

   1 points

   Atrazine used as an antitranspirant

   • Reduces the growth of the crop
   • Does not Reflect light from plant leaf surface
   • Affect the closure and opening of stomata
   • forms thin layer on leaf surface
   Correct
   

   GOOD!

   Incorrect
   

   Oops!
7. Question 7 of 15

   7. Question

   1 points

   Which one of the following pairs of weeds and crops correctly matched ?

   • Striga : Sorghum
   • Cuscuta : Lucerne
   • Typha : Sugarcane
   • Orobanche : Tobacco
   Correct
   

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   Incorrect
   

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8. Question 8 of 15

   8. Question

   1 points

   ‘Atrazine’ effectively control grasses in maize field without causing harm to the crop plants, as degradation of the chemical in maize plant occurs due to the presence of

   • R-Q enzyme
   • Amylases
   • Aryl acyl amidase
   • GSH enzyme
   Correct
   

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9. Question 9 of 15

   9. Question

   1 points

   Which one of the following is myccheribicide?

   • Diquat
   • Met sulfuron methyl
   • Collego
   • Bromacil
   Correct
   

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   Incorrect
   

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10. Question 10 of 15

    10. Question

    1 points

    Which one of the following crop rotation is the best for maintaining soil fertility?

    • Maize-toria-wheat
    • Paddy-wheat-cowpea
    • Paddy-potato-greengram
    • Soybean-wheat-greengram
    Correct
    

    GOOD!

    Incorrect
    

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11. Question 11 of 15

    11. Question

    1 points

    Productivity of an intercrop per unit area of ground compared with that expected from sole crop sown in the same proportions is termed as

    • Land equivalent ratio
    • Competitive ratio
    • Land equivalent coefficient
    • Crop performance ratio
    Correct
    

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    Incorrect
    

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12. Question 12 of 15

    12. Question

    1 points

    Which one of the following fertilizer schedule is recommended to optimize the productivity in intercropping system?

    • Full recommended dose of both the main crop and intercrop,
    • Full recommended dose of main crop and half of intercrop,
    • Half recommended dose of main crop and intercrop,
    • Full recommended dose of main crop only
    Correct
    

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    Incorrect
    

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13. Question 13 of 15

    13. Question

    1 points

    The capacity of a soil to resist appreciable change in pH value is called

    • CEC
    • Buffering capacity
    • Percentage base saturation
    • Anion-exchange capacity
    Correct
    

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    Incorrect
    

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14. Question 14 of 15

    14. Question

    1 points

    Mechanical analysis of soil makes use of

    • Darcy's law
    • Stoke's law
    • Schofield's law
    • Ohm's law
    Correct
    

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15. Question 15 of 15

    15. Question

    1 points

    Which one of the following planting geometry is recommended to optimize system productivity in intercropping system in semi-arid and sub-humid ecosystem?

    • Normal planting of intercrops between two rows of normal planted main crop
    • Skip row planting
    • Three rows of main crop and two rows of intercrops
    • Four rows of main crop and one row of intercrops
    Correct
    

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    Incorrect
    

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