M C Q s D r i v e

Agriculture Mcqs 7387 MCQs [All-Courses]

thumb

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.

The credit for identifying the essentality of nitrogen to plants goes to________?
A Dr.Muhammad Sharif
B Theodore-saussure
C Shafiq Baloch at.el
D Sach and knoop
Correct Answer: Theodore-saussure
What kind of nitrogenous (N) fertilizers should not be used for flooded soil:
A Ammonical
B Nitrate
C Ammonical-nitrate
D Both B & C
Correct Answer: Both B & C
1 meq of HCl is equal to_________?
A 1.4 mg of N
B 14 mg of N
C 0.14 mg of N
D 140 mg of N
Correct Answer: 14 mg of N
Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?
A Chemoautotroph
B Photoautotroph
C Saprophyte
D None of these
Correct Answer: Chemoautotroph
Loss of nitrogen in the form of NH3 in alkaline medium is known as_________?
A Denitrification
B Leaching
C Volatilization
D None of these
Correct Answer: Volatilization
Browning disease of rice is a_________?
A Bacterial & fungal disease
B Physiological disease
C Viral disease
D The above statement is wrong
Correct Answer: Physiological disease
If a manure pile is exposed to the rain, what nutrient will be lost the most ?
A Ca
B Mg
C S
D N
Correct Answer: N
What is the optimum temperature and pH for nitrifying bacteria ?
A 30-35 c, pH 5.5
B >35 c, pH less than 5
C 25-40 c, pH 8-8.5
D All of thses
Correct Answer: 25-40 c, pH 8-8.5
The first mechanism to start in the wind erosion is_________?
A Creep
B Saltation
C Siltation
D None of these
Correct Answer: None of these
The indicator used for estimation of the soil available boron is_______?
A Mixed indicator
B Phenolpthalein
C Diphenyle
D Azomethine-H
Correct Answer: Azomethine-H