Soil Science MCQ Question and Answer | Agriculture MCQ Question

A. 35 m

B. 4 m

C. 10 m

D. 75 m

A. Soil microorganisms ⇔ 8 : 1

B. Soil organic matter ⇔ 10 : 1

C. Barnyard manure (rotted) ⇔ 20 : 1

D. Saw dust ⇔ 1000 : 1

A. Dominant spectral colour

B. Lightness or darkness of the colour

C. Purity or strength of colour

D. None of these

A. 3 - 4% N

B. 8 - 10% N

C. 13 - 20% N

D. 30 - 35% N

A. Pore Geometry

B. Pore Size

C. Pore Tortuosity

D. No. of pores

A. 2.65

B. 2.54

C. 1.54

D. None of these

A. Boron

B. Phosphorus

C. Zinc

D. Nitrogen

A. Sino-rhizobium

B. Bradyrhizobium

C. Azo-rhizobium

D. All of these

A. Marbel

B. Gnesis

C. Mica schist

D. Slate

A. Calcareous or alkaline soils

B. Salt affected soils

C. Acidic soils

D. Neutral soils