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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 Organic Matter (SOM) which consists of about _______ % organic carbon plays a vital role by providing macro & micro nutrients:
A 72 %
B 58%
C 62 %
D Al of the above
Correct Answer: 58%
Each layer of phyllosilicates is composed of two types of sheets:
A Tetrahedral sheet
B Triple octahedral sheet
C Octahedral sheet
D Both A & C
Correct Answer: Both A & C
The internal & external surfaces of soil colloids are positively and or negatively charged. Mostly ____________ is dominant:
A Positive
B Negative
C Zero
D All of the above
Correct Answer: Negative
Which of the following is not the soil order prevail in Pakistan?
A Aridisols
B Alfisols
C Mollisols
D None of the above
Correct Answer: None of the above
Which of the following is wrong?
A Sandy soils have  higher sand percentage with more water holding capacity
B The relative percentage of sand, silt, clay is soil texture.
C Soil texture influences behavior of soil.
D The arrangement of soil aggregates is called soil structure.
Correct Answer: Sandy soils have  higher sand percentage with more water holding capacity
The availability of essential nutrients from soil to the plants is controlled by the ________ properties of soil:
A Physical
B chemical
C Biological
D both A & B
Correct Answer: chemical
Conservation agriculture improves the water use efficiency of dryland systems. It has components:
A Reduced soil disturbance through no-till or minimum till
B Residue return to keep at least 30% of soil covered
C Crop rotations for better utilization of available water & nutrients
D all of the above
Correct Answer: all of the above
The planned development, distribution and use water resources:
A Water distribution
B Water management
C both A & B
D None of the above
Correct Answer: Water management
Water is the major constituent of all living creatures. Biomass of plants is composed of ________% water:
A 65 – 75%
B 72 – 62%
C 85 – 95%
D 75% – 80%
Correct Answer: 85 – 95%
Based on their diameters, soil pores are divided into:_________?
A Macro pores
B Meso pores & Micro pores
C Both A & B
D The above statement is wrong
Correct Answer: Both A & B

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