M C Q s D r i v e

Agriculture Mcqs 7387 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.

Chromium (Cr) is a____________________?
A Macro element
B Secondary element
C Heavy metal
D Free element
Correct Answer: Heavy metal
The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?
A Eutrophication
B Nitrification
C Denitrification
D Sedimentation
Correct Answer: Eutrophication
Addition of sodium hexametaphosphate in soil for determination of soil texture causes__________________?
A Agregation of soil particles
B Cementing of soil particles
C Dispersion of soil particles
D All the above
Correct Answer: Dispersion of soil particles
The problem of soil crosion Thal and Cholistan is predominantly due to___________________?
A Wind
B Air
C Water
D All the above
Correct Answer: Wind
Na and k can be determined by the use of____________________?
A Hydrometer
B Flame photometer
C Spectrophotometer
D All the above
Correct Answer: Flame photometer
Gold is___________________?
A Native element
B Secondary element
C Primary element
D Heavy metal
Correct Answer: Native element
Salt-tolerant plants are called ____________________?
A Glycophytes
B Halophytes
C Xerophytes
D All the above
Correct Answer: Halophytes
Total salt affected soils of Pakistan are____________________?
A 6.3 m ha
B 5.0 m ha
C 12.3 m ha
D 10.5 m ha
Correct Answer: 6.3 m ha
Cyclic salts are mostly of ______________________?
A SO4
B HCO3
C Cl–
D None of the above
Correct Answer: Cl–
Corrositivity of water is an indication of___________________?
A Salinity
B Property of polluted material
C Both a & b
D None of the above
Correct Answer: Both a & b