Soil Science One Liners Question Part-28

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Soil Science One Liners For All Agricultural Exams

Soil Science One LinersSoil Science One Liners
Subject:- Soil Science
Special 30 One Liner Questions
  Questions Answer
1 Nutrient mobility concept given by?  Bray
2 In acid soils estimation of available P method is?  Bray (0.03 N NH4 F+ 0.025 N HCI)
3 Quick test for P is?  Brays modified test
4 Sub-soiling is? Breaking the hard part & No inversion of soil
5 The capacity of a soil to resist(Resistance) appreciable change in pH value is called? Buffering capacity
6 Mass per unit volume is called? Bulk density
7 Tillage increases the water holding capacity and infiltration of soil but reduce? bulk density
8 Trench method of preparing FYM was recommended by?  C. N. Acharya
9 The essentiality of K, Ca, Mg and P to plant given by?  C. Sprengel
10 The process of removal of material from upper horizons of profile to lower horizon called?  Elluviation /mitigation
11 Soil horizon A2 is? Eluvial horizon
12 The diagnostic sub surface horizon called as?  Endopedon
13 The main function of the nutrient Phosphorus in the plant is? Energy transfer
14 The most dominant soil order of India?  Entisol
15 Which commercial fertilizer contains Mg & Ca as secondary nutrients? Epsum & Gypsum

Soil Science One Liners

  Questions Answer
16 The primary mineral which form the chief constitutents are called as?  Essential mineral
17 Peeling away of surface mass of rock due to variation in temperature is?  Exfoliation
18 Iron chelate suitable for reclamation of iron in acid soil?  Fe-EDTA (Ethylene Diamine Tetra Acetate)
19 The constituent of humus soluble in alkali insoluble in acid?  Humic acid
20 Process of decomposition of organic matter is called? Humification
21 Soil colloid is made up inorganic colloid Clay and organic colloid?  Humus
22 Buffering capacity is high for?  Humus & clay
23 The weathering process involved in the formation of limonite from hematite?  Hydration
24 The fertilizers contain only two major nutrients such as N and P2O5 in chemical combinations is known as?  Incomplete complex fertilizer
25 ISSS full form? Indian Society of Soil Science
26 The process of entry(Down ward) of water into soil called?  Infiltration
27 The substances which are organic in nature, capable of supplying plant nutrients in available form, bulky in nature and having no definite composition is called?  Manure
28 Lime stone on metamorphosis is converted to?  Marble
29 Metamorphic rocks are?  Marble, genesis, schist, slate and graphite
30 Morphogenetic system of soil classification given by?  Marbut

 

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