Correct option is B
Soil air is not identical to atmospheric air.
It generally contains higher CO₂ and lower O₂ due to root respiration and microbial activity.
Hence, statement (b) is NOT true.
Soil air is not identical to atmospheric air.
It generally contains higher CO₂ and lower O₂ due to root respiration and microbial activity.
Hence, statement (b) is NOT true.
| Set A (Scientist) |
Set B (Contribution) |
| [i] Thomas Way |
[a] Borax |
| [ii] Thomas Graham |
[b] Ammonium molybdate |
| [iii] Sorenson |
[c] Copper sulphate |
| [iv] Schofield |
[d] Zinc sulphate |
| Set A |
Set B |
| [i] Robinson |
[a] Pipette method |
| [ii] Yoder |
[b] Wet sieving |
| [iii] Munsell |
[c] Colour chart |
| [iv] Atterberg |
[d] Consistency limits |
The process of enrichment of surface water bodies with nutrients is called
The essentiality of Molybdenum was discovered by
Which one of the following is the active factor of soil formation?
The highest category of soil classification system is
Suggested Test Series
Suggested Test Series