Agriculture Test Preparation For Soil Science And Agriculture Chemistry Part-I

Test Preparation on Agriculture Test Preparation For Soil Science And Agriculture Chemistry Part-I

1.

Maximum N content found in N fertilizer

1Urea
2Anhydrous ammonia
3Sodium nitrate
4Ammonium sulphate

2.

Rock phosphate has P2O5

110-20%
220-40%
330-50 %
420-30%

3.

The conversion factor for calculating P from P2O5

1P2O5 x 2.29
2P x 0.44
3P x 2.29
4P2O5 x 0.44

4.

The phenomenon slickenside found in which soil

1Inceptisol
2Vertisol
3Gelisol
4Spodosol

5.

Which organic fraction not soluble in both acid and alkali

1Fulvic
2Humic
3Humin
4All of the above

6.

In munsell colour chart hue 10 represents as ______

1Red
2Black
3Grey
4Yellow

7.

pF scale for Field capacity is _____

12
22.5
33.5
44.5

8.

Available water held between

1Saturation to wilting point
2Field capacity to hygroscopic coefficient
3Only field capacity
4Field capacity to wilting point

9.

Soil colloidal particle shows the phenomena

1Plasticity
2Adhesion and cohesion
3Flocculation
4All of the above

10.

The central cation on silica tetrahedron is _____

1Al3+
2Si4+
3Fe2+
4None of the above

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