Soil Science MCQ Question and Answer | Agriculture MCQ Question

A. 82% nitrogen

B. 70% nitrogen

C. 46% nitrogen

D. 20% nitrogen

A. $${\text{P}} = 100 - \left( {\frac{{{\text{Bulk Density}}}}{{{\text{Particle Density}}}}} \right)$$

B. $${\text{P}} = \left( {\frac{{{\text{Bulk Density}}}}{{{\text{Particle Density}}}}} \right) \times 100$$

C. $${\text{P}} = 100 - \left( {\frac{{{\text{Bulk Density}}}}{{{\text{Particle Density}}}}} \right) \times 100$$

D. $${\text{P}} = 100 - \left( {\frac{{{\text{Particle Density}}}}{{{\text{Bulk Density}}}}} \right) \times 100$$

A. Olsen

B. Das

C. Liebig

D. Bray

A. 6

B. 10

C. 21

D. 3

A. 20.6% N

B. 25 - 28% N

C. 20% N

D. 15 - 16% N

A. N or P or K

B. NPK

C. Only K

D. NP

A. 1.29 g/cc

B. 1.45 g/cc

C. 1.59 g/cc

D. 1.72 g/cc

A. Bacteria

B. Fungi

C. Earth worm

D. Rotifers

A. a-1, b-3, c-4, d-2

B. a-1, b-2, c-3, d-4

C. a-2, b-3, c-4, d-1

D. a-3, b-4, c-2, d-1

A. Yoder's apparatus

B. Spectrophotometer

C. Cone penetrometer

D. Atterberg's apparatus