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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

In a river, if its BOD is high, then:
A River is polluted
B River is not polluted
C River is day
D None of these
Correct Answer: River is polluted
Which of the following does not cause pollution?
A CO2
B SO2
C H2
D CO
Correct Answer: H2
Ozone hole is refers to as:
A Hole in ozone layer
B Decrease in the ozone layer in troposphere
C Decrease in thickness of ozone layer in stratosphere
D Increase in the thickness of ozone layer in troposphere
Correct Answer: Decrease in thickness of ozone layer in stratosphere
Which of the following is most poisonous?
A CO
B CO2
C C
D SO2
Correct Answer: CO
BOD is the amount of oxygen:
A Present in water
B Utilized by organisms in water
C Utilized by micro-organisms for decomposition
D Demanded by the producers for the production of food
Correct Answer: Utilized by micro-organisms for decomposition
Which is a degradable pollutant?
A DDT
B Aluminum foil
C Domestic wastes
D Mercury slats
Correct Answer: Domestic wastes
BOD is connected with:
A Organic matter
B Microbes
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
Lead (Pb) is mainly considered:
A Soil pollutant
B Water pollutant
C Air pollutant
D Noise pollutant
Correct Answer: Air pollutant
Greenhouse effect is:
A Caused by CO2 only
B Caused by CH4, SO2, NO2 gases
C Caused by those gases which absorb the infra-red light reflecting from earth
D Caused by combination of many gases
Correct Answer: Caused by CO2 only
Examples of regional pollution are:
A Acid rain
B Smog
C Both (a) & (b)
D None of these
Correct Answer: Both (a) & (b)
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