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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.

The tension of the water at the upper plastic limit is equivalent to pF value:

A 1

B 2

C 2.5 – 3.5

D 0.5

Review Detailed Answer

Correct Answer: 0.5

Clay and humus particles are referred to as colloids and are less than 0.002mm. Due to their small size, colloids have ________________ surface area which provides surface for adsorption, catalysis, precipitation and microbial colonization:

A Extremely low

B Extremely high

C Very little

D None of these

Review Detailed Answer

Correct Answer: Extremely high

Soil samples are collected:

A From the field with immediate application of fertilizer or amendments

B Field with upper white layer of salts

C Boundaries of the field

D None of these

Review Detailed Answer

Correct Answer: None of these

_________ erosion is the removal of a thin layer of soil by water acting over the whole surface. This type of erosion damaged very fertile lands located on slopes, some of which have been eroded to a depth of about 15 cm.

A Rain splash rill erosion

B Stream bank erosion

C Sheet erosion

D Gully erosion

Review Detailed Answer

Correct Answer: Sheet erosion

In Pakistan there is general deficiency of rainfall. It varies from 125 mm annually in upper Sindh to about 900 mm in the sub-mountainous of northern Pakistan. In Balochistan the mean annual rainfall is about 200 mm, diminishing to ________ mm in the desert of Kharan:

A 100 mm

B >70 mm

C <50 mm

D None of these

Review Detailed Answer

Correct Answer: <50 mm

Losses of soil water not includes_________?

A Direct evaporation from the soil & transpiration from vegetation

B down-ward drainage

C Hydroponics loss

D Surface run-off from the field

Review Detailed Answer

Correct Answer: Hydroponics loss

The relative abundance of three types of rocks ( igneous-metamorphic- sedimentary) in the earth’s crust is_________?

A 12.5 % -12.5 % – 75%

B 64.7 % – 27.4 % – 7.9 %

C none of A & B

D 7.9% – 27.7 % – 64.4

Review Detailed Answer

Correct Answer: 64.7 % – 27.4 % – 7.9 %

Oxygen and Silicon together comprise approximately ______ %of the earth crust?

A 64 %

B 79 %

C 75 %

D 73 %

Review Detailed Answer

Correct Answer: 75 %

Potassium (K) occurs as a constituent of the earth’s crust in the proportion of_________?

A 23 %

B 2.3 %

C 17 %

D 1.7 %

Review Detailed Answer

Correct Answer: 2.3 %

In Pakistan, Nitrophos is manufactured in_________?

A Multan

B Sawat

C Lasbella

D Shikarpoor

Review Detailed Answer

Correct Answer: Multan

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Agriculture Mcqs 7387 MCQs [All-Courses]

All Topics 7387

All Topics 7387

The tension of the water at the upper plastic limit is equivalent to pF value:

Clay and humus particles are referred to as colloids and are less than 0.002mm. Due to their small size, colloids have ________________ surface area which provides surface for adsorption, catalysis, precipitation and microbial colonization:

Soil samples are collected:

_________ erosion is the removal of a thin layer of soil by water acting over the whole surface. This type of erosion damaged very fertile lands located on slopes, some of which have been eroded to a depth of about 15 cm.

In Pakistan there is general deficiency of rainfall. It varies from 125 mm annually in upper Sindh to about 900 mm in the sub-mountainous of northern Pakistan. In Balochistan the mean annual rainfall is about 200 mm, diminishing to ________ mm in the desert of Kharan:

Losses of soil water not includes_________?

The relative abundance of three types of rocks ( igneous-metamorphic- sedimentary) in the earth’s crust is_________?

Oxygen and Silicon together comprise approximately ______ %of the earth crust?

Potassium (K) occurs as a constituent of the earth’s crust in the proportion of_________?

In Pakistan, Nitrophos is manufactured in_________?