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Agriculture Mcqs 7387 MCQs [All-Courses]

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.

Which of the following serves as source of carbon in plants:

A CO2 of carbonic rocks

B Atmospheric CO2

C Fossil fuel

D All of the above

Review Detailed Answer

Correct Answer: Atmospheric CO2

Mark the correct statement with reference to phosphorous cycle:

A Inorganic phosphates are lost by leaching

B Ocean phosphates are lost by sedimentation

C Soluble phosphates are lost by erosion

D Soil has plenty of dissolved phosphates

Review Detailed Answer

Correct Answer: Ocean phosphates are lost by sedimentation

Which ecological cycle is directly driven by sunlight?

A Hydrologic

B Phosphorus

C Nitrogen

D Sulphur

Review Detailed Answer

Correct Answer: Hydrologic

Sulphur is returned to the soil by:

A Producers only

B Producers and consumers

C Consumers and decomposers

D All of these

Review Detailed Answer

Correct Answer: Consumers and decomposers

The percentage of water bound in lithosphere and sedimentary rocks is:

A 75

B 65

C 85

D 95

Review Detailed Answer

Correct Answer: 95

The rate of storage at consumer level is:

A Secondary productivity

B Tertiary productivity

C Both (a) & (b)

D Net productivity

Review Detailed Answer

Correct Answer: Secondary productivity

According to Lindemann, the percentage of net production passed on to carnivores is:

A 28.6

B 26.8

C 22.6

D 22.8

Review Detailed Answer

Correct Answer: 28.6

In a sugarcane field the net productivity in terms of kg/m2/year, is:

A 0.2-0.4

B 2?4

C 4?6

D 0.6-0.8

Review Detailed Answer

Correct Answer: 2?4

In a forest ecosystem, the numerical relationship between the producers and herbivores:

A Producers more than herbivores

B Producers equal to herbivores

C Producers less than herbivores

D Variable

Review Detailed Answer

Correct Answer: Producers less than herbivores

The gross production minus losses in an ecosystem is indicated as:

A Net production

B Secondary production

C Net storage

D Net primary production

Review Detailed Answer

Correct Answer: Net primary production

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Agriculture Mcqs 7387 MCQs [All-Courses]

All Topics 7387

All Topics 7387

Which of the following serves as source of carbon in plants:

Mark the correct statement with reference to phosphorous cycle:

Which ecological cycle is directly driven by sunlight?

Sulphur is returned to the soil by:

The percentage of water bound in lithosphere and sedimentary rocks is:

The rate of storage at consumer level is:

According to Lindemann, the percentage of net production passed on to carnivores is:

In a sugarcane field the net productivity in terms of kg/m2/year, is:

In a forest ecosystem, the numerical relationship between the producers and herbivores:

The gross production minus losses in an ecosystem is indicated as: