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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

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?
A N, P, K
B Ca, Mg, S
C both A & B
D The above statement is wrong
Correct Answer: both A & B
According to a latest research, Pakistan is predominantly a dryland country; 80% of its land area is arid and semi arid, 12% sub-humid and 8% under humid climate. Thus , soils of arid & semi-arid regions are vulnerable to a wide range of degradation process. As the case in arid and semi-arid climates elsewhere in south-central/southern Asia and Sub-Saharan Africa; _________________ are among the major causes of soil degradation and desertification?
A Drought stress
B Accelerated erosion & salinization
C Depletion of soil fertility and SOM
D All of the above
Correct Answer: All of the above
The kind, rate and intensity and pedogenic processes are controlled by ________ ,soil-forming factors?
A 6
B 7
C 4
D None of the above
Correct Answer: None of the above
Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?
A Additions, losses
B Transfers and transformations
C both A and B
D None of the above
Correct Answer: both A and B
Although some acid soils do exist in the northern mountainous regions of Pakistan (Mansehra, Sawat, Dir). Almost all cultivated soils of the country are ________________, with high base saturation and low organic matter content (generally less than 1%)?
A Alkaline
B Very much acidic
C Calcareous
D both A & C
Correct Answer: both A & C
The horizons O, A, E and B (other than r and C) are collectively called_____________?
A Regolith
B Solum
C Outer core
D inner core
Correct Answer: Solum
Some times, AB/EB/BA/BE horizons in soil profile are present which are called__________?
A Master horizons
B Transition horizons
C Little horizons
D All of the above
Correct Answer: Transition horizons
Accumulation of Al and Fe oxides and clays coming from the upper profile layers:
A Zone of eluviation
B Zone of Illuviation
C Zone of evaluation
D None of the above
Correct Answer: Zone of Illuviation
A group of soils with same parent material but located at different positions of slope?
A Cateena
B Chronosequence
C Catena
D Biosequence
Correct Answer: Catena
Peat soils are not present in Pakistan because these are formed in___________?
A Cool climate
B Acidic conditions
C both A & B
D None of the above
Correct Answer: both A & B
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