Agriculture MCQs

2794 MCQs  (Page 245 of 280)

The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include:
A. Nutrient deficiency symptoms & field experimentation
B. Greenhouse pot experimentation & soil testing
C. Plant analysis
D. All of the above
From the point of view of crop production, Soil testing refers to______________?
A. Laboratory analysis assessing plant available nutrient status
B. Collection of plant leaves samples only
C. Salinity & elemental toxicity of a soil
D. Both a & c
‘A’ horizon of the soil is also designated:
A. Eluvistal horizon
B. Illuviated horizon
C. Alluvial horizon
D. None of the above.
Basalt is a __________ rock:
A. Fine-grained
B. Dark coloured
C. Both a & b
D. None of the above