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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

According to Lindemann, the total solar input in terms of gcal/cm2/year is:
A 112,887
B 118,872
C 181,872
D 112,788
Correct Answer: 118,872
The efficiency of primary production in an ocean is:
A 5%
B 3.50%
C 1%
D 0.20%
Correct Answer: 1%
From gross production of autotrophs, according to Lindemann, how much energy in gcal/cm2/year is used in respiration and decomposition respectively:
A 78.2, 29.3
B 78.2, 3.5
C 29.3, 3.5
D 23.9, 5.3
Correct Answer: 29.3, 3.5
The pyramid of biomass in a forest ecosystem is:
A Upright
B Inverted
C Rhomboidal
D Linear
Correct Answer: Upright
The cybernetics of an ecosystem refers to:
A Harvest index
B A feedback mechanism
C Regulation of equilibrium
D Reverse energy flow
Correct Answer: Regulation of equilibrium
The flow of materials and energy in an ecosystem is respectively:
A Cyclic only
B Cyclic and linear
C Linear and cyclic
D Linear only
Correct Answer: Cyclic and linear
The biotic and abiotic components of the ecosystem are connected through:
A Standing quality
B Climatic regime
C Transducers
D Humification and mineralization
Correct Answer: Humification and mineralization
The pyramid of biomass in a shallow pond ecosystem is:
A Inverted
B Upright
C Rhomboidal
D Liver
Correct Answer: Upright
The taiga ecosystems lie in the:
A Alpine zone
B Sub-alpine zone
C Temperate zone
D Sub-tropical zone
Correct Answer: Sub-alpine zone
The pyramid of number in a forest ecosystem is:
A Rhombiodal
B Upright
C Inverted
D Linear
Correct Answer: Rhombiodal
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