πΎAgriculture MCQs
Agriculture MCQs
494 MCQs291
Which of the following fertilizers show maximum residual acidity with the continuous soil application:
πΎAgricultureBy: Shafiq Rehman
AUrea
BAmmonium nitrate
CAmmonium sulphate
DCalcium ammonium nitrate
292
Availability of Zn is higher to crops in:_________?
πΎAgricultureBy: Shafiq Rehman
AAcid soils
BSodic soils
CSaline-sodic soils
DSaline soils
293
The nutrient element silicon (Si) is:_________?
πΎAgricultureBy: Shafiq Rehman
ABeneficial
BHarmful
CBoth a and b
DNone of the above
294
βAβ horizon of the soil is also designated:
πΎAgricultureBy: Shafiq Rehman
AEluvistal horizon
BIlluviated horizon
CAlluvial horizon
DNone of the above.
295
Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?
πΎAgricultureBy: Shafiq Rehman
ADisintegrate
BDisentigrate
CDecompose
DBoth a & c
296
Rocks and weathered materials transported by ___________ ,act as initial materials for soil formation?
πΎAgricultureBy: Shafiq Rehman
AWater
BWind
CGlaciers
DAll of the above
297
From the point of view of crop production, Soil testing refers to______________?
πΎAgricultureBy: Shafiq Rehman
ALaboratory analysis assessing plant available nutrient status
BCollection of plant leaves samples only
CSalinity & elemental toxicity of a soil
DBoth A & C
298
The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include:
πΎAgricultureBy: Shafiq Rehman
ANutrient deficiency symptoms & field experimentation
BGreenhouse pot experimentation & soil testing
CPlant analysis
DAll of the above
299
The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?
πΎAgricultureBy: Shafiq Rehman
AN, P, K
BCa, Mg, S
Cboth A & B
DThe above statement is wrong
300
According to one estimate, wind and water erosion over ______ % of the Pakistanβs total area?
πΎAgricultureBy: Shafiq Rehman
A46%
B36%
C76%
DNone of the above