A & B horizon is called as:________? A. Regolith B. Poly-pedon C. SeriesD. None of the above

Availability of Phosphorus is maximum at:__________? A. Neutral B. Alkaline C. Acidic D. None of these

Flow of nitrogen in soil due to:_________? A. Diffusion B. InterceptionC. Mass flow D. None of the above

Field Capacity is a point at which? A. All the macro & micropores in the soil are filled with water B. All the macropores filled with water & the micropores filled with airC. All the macropores filled with air &…

Which of the following nutrient play the most effective role in controlling rate of transpiration: A. Potassium B. Zinc C. Phosphorus D. Mg

Which is the correct sequence of soil erosion by water: A. Rill-Sheet-Gully B. Gully-Sheet-RillC. Sheet-Rill-Gully D. None of these

The clay fraction of the soil contains particles less than 0.002 mm. Particles <0.001 mm size: A. Soil SiltB. Soil colloids C. Soil loam D. Soil sand

Soil order Vertisol is related to:_________? A. Black soils B. River soils C. Marine deposits D. Both B & c

Which type of structure is dominant in grasslands: A. Prismatic & ColumnarB. Spheroidal or Sphere-like C. Angular blocky Sub-angular blocky D. Platy & Luminar

The study of relationship between soil properties & plant production is known as:_________? A. PedologyB.  Soil Science C. Agronomy D. None of these