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.

What immediate hazard is likely to occur if the temperature of the earth rises by 5?C?
A Melting of polar ice
B Destruction of phytoplanktons
C Inundation of coastal towns
D Increase in productivity
Correct Answer: Melting of polar ice
The classical smog mainly contains:
A Hydrocarbons only
B Hydrocarbons and SO2
C Hydrocarbons and N2O
D Particulate matter and SO2
Correct Answer: Particulate matter and SO2
The automobile emission can be reduced by adding the following in the petrol:
A Calcium salts
B Cobalt salts
C Silicon oil
D Barium salts
Correct Answer: Barium salts
The photochemical smog appears:
A In the mid day
B At night
C In early morning
D At evening
Correct Answer: In the mid day
The river Periyar gets pollution mainly from:
A Tanneries
B Paper factories
C Chemical factories
D Sugar mills
Correct Answer: Chemical factories
The PAN blocks:
A Glycolysis
B ATP synthesis
C CO2 fixation
D Hill reaction
Correct Answer: Hill reaction
The Minamata disease was first detected in:
A USA/Korea
B Russia
C China
D Japan
Correct Answer: Japan
The plants of tobacco and tomato are sensitive to:
A Ozone
B N2O
C Ethylene
D PAN
Correct Answer: Ozone
The zone of atmosphere that lies near the ground is:
A Troposphere
B Stratosphere
C Homosphere
D Heterosphere
Correct Answer: Troposphere
It is thought that the concentration of CO2 in the year 1890 was around:
A 245 ppm
B 275 ppm
C 215 ppm
D 230 ppm
Correct Answer: 275 ppm