Soil Geography MCQs

By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022

Let us see the Soil Geography MCQs. 1. In the alkali, soil Phosphorus is present in the form of ………………? (A) H₂PO₄^– (B) HPO₄^2– (C) H₃PO₄ (D) PO₄^3– Ans: 2. WAPDA says that , the E Ce of the salt free soil should remain……………..? (A) < 4 dsm-1 (B)> 4 dsm-1 (C) Equal to 4 dsm-1 (D) None of the above Ans:

3. Maximum N content found in N fertilizer

(A) Urea (B) Anhydrous ammonia (C) Sodium nitrate (D) Ammonium sulphate Ans. 4. Maximum Nitrogen content found in which of the following Nitrogen fertilizer (A) Sodium nitrate (B) Ammonium sulphate (C) Urea (D) Anhydrous ammonia Ans: 5. The chemical formula of DAP fertilizer is…………..? (A) NH4H2PO4 (B) NH4H2PO4 (C) (NH2) HPO4 (D)Both A&B Ans: 6. The portion of plant tissues is made up of Ca, Mg and C contain a percentage of………? (A) 95 to 99.5% (B)95 to 100% (C)90 to 95% (D)90 to 100% Ans: 7. The soil contains how many states? (A) 1 (B)  2 (C) 5 (D) 4 Ans:

8. The another name of Matasi soil is…………..?

(A) Sandy loam (B) Gravely (C) Clayey (D) Clay loam Ans: 9. If the pH value of the soil is 6.0 Then the soil reaction is…………? (A) Neutral (B) Highly alkaline (C) Alkaline (D) Acidic Ans : 10. Radiation can be detected by using………………………? (A) GM counter (B) Dosimeter (C) Neutron probe (D) Ratio autoanalyzer Ans:

11. The relative density of loose soil is within the range of…………………….? (A) 60-85 (B) 80-100 (C)50-90 (D)10-35 Ans:
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    D

12. The instrument used for the estimation of potash (K) is known as………….? (A) Colorimeter (B) Atomic absorption (C) Flame photometer (D) Spectrophotometer Ans:

13. There are ……………………types of pores are present in a soil mass?

(A) 3 (B) 6 (C) 5 (D) 7 Ans: 14. The percentage of solar radiation absorbs by the soil is……………….? (A) 50% (B) 30% (C) 10% (D) 5% Ans : 15. The weight of potassium according to internation soil is………………? (A) 39.0 (B) 30.0 (C) 10.5 (D) 29.0 Ans : 16.Which one  is useful in determining gradient of water underground? (A) Penetrometer (B) Piezometer (C) Piezometer10.5 (D) Hydrometer Ans : 17. The spectrophotometer is best for determining ……………..? (A) Ca (B) N (C) K (D) P Ans : 18. The Zorawar is the brand name of …………………………? (A) MAP (B) TSP (C) DAP (D) DOP Ans : 19.Which one is more popular method in determining geotechnical soil investigation? (A) MAP (B) SPT (C) DAP (D) CPT Ans : 20. Another name of Dora Soil is……………? (A) Sandy loam (B) Clayey (C) Clay loam (D) Gravely CPT Ans :