M C Q s D r i v e

Agriculture Mcqs 7388 MCQs [All-Courses]

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Agriculture MCQs cover fundamental and applied concepts related to farming, crop production, soil science, irrigation, fertilizers, plant breeding, pests, and agricultural economics. This topic is designed to strengthen conceptual understanding and problem-solving skills through objective questions. It is especially useful for competitive exams such as PPSC, FPSC, KPPSC, BPSC, NTS, OTS, and other testing services, helping candidates prepare with exam-oriented and up-to-date agricultural knowledge.

Nitrification is the microbial conversion of____________________?
A NH nitrogen the NO3 nitrogen in soil
B NO2 to NO3 nitrogen in soil
C NO3 nitrogen to NH4 + in soil
D None of the above
Correct Answer: NH nitrogen the NO3 nitrogen in soil
What is the concentration of pure water?
A 55.5 mol/L
B 45.5 mol/L
C Both a and b
D none of these
Correct Answer: 55.5 mol/L
Radiation can be detected by the blankening of photographic film or by using___________________?
A Ratio autoanalyser
B GM counter
C Neutron probe
D Dosimeter
Correct Answer: GM counter
Roots usually occupy :__________?
A 1% or less of soil volume
B 10% or less of soil volume
C 20% or less of soil volume
D 30% or less of soil volume
Correct Answer: 1% or less of soil volume
The complex fertilizer Nitrophos available in the market contains_____________________?
A 25%N & 23% P2O3
B 46%N & 23% P2O3
C 23%N & 23% P2O3
D None of the above
Correct Answer: 23%N & 23% P2O3
Which of the following fertilizers show maximum residual acidity with the continuous soil application:
A Urea
B Ammonium nitrate
C Ammonium sulphate
D Calcium ammonium nitrate
Correct Answer: Ammonium sulphate
Extraction of humic substance can be done by______________________?
A NaOH
B NH4Cl
C NH4OH
D None of the above
Correct Answer: NaOH
Availability of Zn is higher to crops in:_________?
A Acid soils
B Sodic soils
C Saline-sodic soils
D Saline soils
Correct Answer: Acid soils
Who gave the defination of humic acid ?
A Gapon
B Felbeek
C Neir
D Liekig
Correct Answer: Felbeek
The nutrient element silicon (Si) is:_________?
A Beneficial
B Harmful
C Both a and b
D None of the above
Correct Answer: Beneficial