Agriculture MCQs

2794 MCQs  (Page 88 of 280)

In Pakistan the area effected due to water erosion is about_________________?
A. 12 million to
B. 13.05 million lia
C. 22 million ha
D. 15 million lva
The K is predominantly in______________?
A. Leaves
B. Straw
C. Grain
D. All the above
Low soil pH is the indication of_______________?
A. High mg and ca
B. High n and s
C. Low n and ca
D. Moderate mg and ca
N mineralization is effected by soil pH_______________?
A. Below 6
B. Above 6
C. Above 10
D. None of the above
Penetrometer are used for measuring__________________?
A. Soil tilth depth
B. Soil mositure
C. Soil compaction
D. Soil seepage
Excess of nitrogen to plants causes_________________?
A. Delay in ripening
B. Delay in growth
C. Delay in germination
D. All the above
Root nodules in plants help in___________________?
A. Photosynthesis
B. Aeration
C. Nitrogen fixation
D. Respiration