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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.

All Topics  7387

Soil structure without aggregation is known as____________________?
A Platy
B Granular
C Massive
D Both b & c
Correct Answer: Massive
The device used for the measurement of positive pressure potential of soil water is known as_________________?
A Lysimeter
B Tensiometer
C Piezometer
D Barometer
Correct Answer: Piezometer
The safe limit of No2 in drinking water is_____________________?
A 10 mg L-1
B 15 mg L-1
C 20 mg L-1
D None of the above
Correct Answer: 10 mg L-1
The particlesw density of a mineral soil is about____________________?
A 2750 Kg m-3
B 2550 Kg m-3
C 2650 Kg m-3
D None of the above
Correct Answer: 2650 Kg m-3
Deep percolation from a soil profile is generally measured by a device known as_____________________?
A Hydrometer
B Lysimeter
C Thermometer
D Tensiometer
Correct Answer: Lysimeter
Auxins promote___________________?
A Cell elongation
B Cell division
C Both a & b
D None of the above
Correct Answer: Cell elongation
The chemical formula of Dolomite is________________?
A CaMg (CO3)2
B MgCO3
C CaCO3
D None of the above
Correct Answer: CaMg (CO3)2
The toxicity level of Zn (mg/kg) in plants suggested by some workers is___________________?
A > 50 mg kg-1
B > 10 mg-1
C > 400 mg kg-1
D None of these
Correct Answer: > 400 mg kg-1
The exact formula for calculating the base saturation percentage is_____________________?
A Bas saturation percentage = CA+Mg+Na / CEC x 100
B Bas saturation percentage = /CEC / CA+Mg+Na x 100
C Bas saturation percentage = /CEC / CA+Mg x 100
D None of the above
Correct Answer: Bas saturation percentage = CA+Mg+Na / CEC x 100
The EC: SAR and RSC values suggested by WAPDA for 3rd class irrigation water(C,S,R,) are____________________?
A ECi:<1.5, SAR < 10 & RSC< 2.5
B ECi:>1.5, SAR > 10 & RSC> 2.5
C ECi:>1.5, SAR 2.5
D Both a & b
Correct Answer: ECi:<1.5, SAR < 10 & RSC< 2.5
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