Soil Science MCQ – 35

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Soil Science MCQ Study

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Q.1: Rendzina Soils come under?

1. Halomorphic
2. Hydromophic
3. Calcimorphic
4. All soil group

Q.2: Walkley and Black method is associated with?

1. N
2. Org. Carbon
3. P
4. K

Q.3: Unit of Hydraulic gradient is?

1. cm/sec
2. unit less
3. cm
4. cm2/sec

Q.4: Micronutrients are analyzed by?

1. AAS
2. AES
3. Flamephotometer
4. Spectrophotometer

Q.5: In Oxisol which type of Clay is found?

1. Kaolinite
2. Imogolite
3. Illite
4. Mica

Q.6: Aromaticity is highest in?

1. Humic acid
2. Fulvic acid
3. Humin
4. None of the above

Q.7: Stokes law, v = kr2, value of k in 20 ^oC in aqueous medium is?

1. 37400
2. 34700
3. 43700
4. 35000

Q.8: In submerged soil availability of phosphorus?

1. Increases
2. Decreases
3. No change
4. None of the above

Q.9: The specific gravity of laboratory grade H3PO4 is (in g mL-1)?

1. 1.42
2. 1.84
3. 1.19
4. 1.70

Q.10: PO4 -3 is the principle phosphate anion, when soil pH is?

1. >8.0
2. >8.5
3. >9.0
4. >10

Soil Science MCQ – 35

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