31. Soluble salt content of soil is determined by measuring its

1. 1. Electrical conductivity

   
   
   

   2. Ph value

   
   
   

   3. Organic matter content

   
   
   

   4. Sulphur content

   
   
   

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   NA

   Correct Option: A

   NA

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32. It the soil pH 9.2, then the soil is

1. 1. Acdic

   
   
   

   2. Neutral

   
   
   

   3. Alkaline

   
   
   

   4. Saline

   
   
   

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   NA

   Correct Option: C

   NA

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33. Which of the following soil is most fertile ?

1. 1. Khader

   
   
   

   2. Bangar

   
   
   

   3. Laterite

   
   
   

   4. Arid

   
   
   

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   NA

   Correct Option: A

   NA

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34. Which of the following is not cited as a reason for the colour of black soil ?

1. 1. Admixture of humus on cultivation

   
   
   

   2. Presence of Titaniferous Magnetite

   
   
   

   3. Black constitutents of the parent rock

   
   
   

   4. Preponderance of phosphrous

   
   
   

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   NA

   Correct Option: D

   NA

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35. A PH value of 7.0 denotes that the soil reaction is

1. 1. Acidic

   
   
   

   2. Alkaline

   
   
   

   3. Neutral

   
   
   

   4. Highly alkaline

   
   
   

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   NA

   Correct Option: C

   NA

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