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.

____________ converts ammonia into nitrite?
A Nitrosomonas
B Nitrobacter
C Azotobacter
D Rhizobium
Correct Answer: Nitrosomonas
Which chemical used to prevent evaporation from surface of water in water bodies?
A Cetyle alcohol
B Methyle alcohol
C both A and B
D None of these
Correct Answer: Cetyle alcohol
__________ is gram-positive?
A Xanthomonas
B Corynebacterium
C Pseudomonas
D Erwinia
Correct Answer: Corynebacterium
Composition of igneous rock is determined by___________?
A Depth of molten magma
B Composition of molten magma
C Both A and B
D Composition can not be determined.
Correct Answer: Composition of molten magma
Mulches are mainly used to reduce?
A Transpiration
B Evaporation
C Evapotranspiration
D All of above
Correct Answer: All of above
Who will decompose organic matter first:
A Actinomycetes
B Bacteria
C Basidiomycetes
D Fungi imperfecti
Correct Answer: Fungi imperfecti
Most of the summer vegetables are_________?
A Annual
B Biennial
C Perennial
D None of these
Correct Answer: Annual
Process of mixing of soils is known as_________?
A Gleization
B Lessivage
C Laterization
D The correct option is not present above
Correct Answer: The correct option is not present above
The coprophilic fungi inhabit:
A Dung substratum (herbivore feces)
B Deadwood
C Decaying leaves
D Food articles
Correct Answer: Dung substratum (herbivore feces)
Walkley and Blacks method of organic matter determination allows recovery of _____% organic carbon content:
A 74 %
B 54 %
C 62.5 %
D 34%
Correct Answer: 74 %