Explore topic-wise MCQs in Agriculture .

This section includes 280 Mcqs, each offering curated multiple-choice questions to sharpen your Agriculture knowledge and support exam preparation. Choose a topic below to get started.

251.

Among the important green house gases two are found in higher concentration________________?

A. Methane and carbon mono oxide
B. Methane and nitrogen
C. Carbon and nitrogen oxide
D. None of the above
Answer» B. Methane and nitrogen
252.

Among the cotton exporting countries the number of China is________________?

A. 1st
B. 2nd
C. 3rd
D. 4th
Answer» C. 3rd
253.

Among the cotton exporting countries the number of Pakistan is_______________?

A. 1st
B. 2nd
C. 3rd
D. 4th
Answer» D. 4th
254.

Among the cotton exporting countries the number of America is___________?

A. 1st
B. 2nd
C. 3rd
D. 4th
Answer» B. 2nd
255.

Allelopathy is an important component in the development of future integrated strategies for____________?

A. Soil management
B. Weed management
C. Water management
D. non of these
Answer» C. Water management
256.

Allelocliemicals may enter in the soil through the process of_________________?

A. Diffusion
B. Mass flow
C. Root exudation
Answer» D.
257.

Allelochemicals are used as growth regulators and natural pesticides to promote__________________?

A. Sustainable agriculture
B. Improve agriculture
C. Both a and b
Answer» D.
258.

Allclopatluc interactions in general and the allelochemicals in particular are viewed as an important tool for_______________?

A. Pest and insect management
B. Disease and pest management
C. Weed and pest management
D. non of these
Answer» D. non of these
259.

Allelopathy interaction between plants playa crucial role in___________________?

A. Ecosystems
B. Community
C. Both a and b
D. non of there
Answer» B. Community
260.

Air contains___________________?

A. 70% nitrogen
B. 50% nitrogen
C. 78% nitrogen
D. None of the above
Answer» D. None of the above
261.

Agro ecological regions of sindh are_____________________?

A. 5
B. 3
C. 4
D. 1
Answer» D. 1
262.

Accumulation of transported material A to B horizon is known as____________________?

A. Eluviation
B. llluviation
C. Alluviation
D. Deposition
Answer» C. Alluviation
263.

Abnormal seeding growth in rice may be due to_________________?

A. Intrinsic Mechanism
B. Lack of integrity in seed cells
C. Endogenous inhibitors
D. Al the above
Answer» E.
264.

Abnormal seeding growth in rice is more closely related, with______________?

A. IID grains
B. LD grains
C. Both a & b
D. None of the above
Answer» C. Both a & b
265.

A warm summer and pronounced winter is called________________?

A. Arid
B. Tropical
C. Temperature
D. None of the above
Answer» D. None of the above
266.

A treeless arctic plan is called as__________________?

A. Glaciers
B. Barren land
C. Tundra
D. None of the above
Answer» D. None of the above
267.

A region with an annual rain fall of less than 10 inches comes under_________________?

A. Arid climate
B. Semi arid climate
C. Wet climate
D. Temperature
Answer» C. Wet climate
268.

A region with an annual rainfall less than 10 inches comes under_________________?

A. And climate
B. Semi-and climate
C. Wet climate
D. None of the above
Answer» B. Semi-and climate
269.

A process in which most of the organisms are killed is known as_________________?

A. Heating
B. Sterilization
C. Pasteurization
D. Neutralization
Answer» C. Pasteurization
270.

A nutrient element is said to be essential if___________________?

A. Plants can not complete their life cycle in absence of that element
B. Nutrients has some physiological function in metabolism of plant
C. Deficiency symptoms can be removed by application of that putrid
D. All the above
Answer» E.
271.

A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by______________?

A. Germ and Keitreiber (1954)
B. Kittock and Law (1963)
C. Maguire (1963)
D. Moore (1973)
Answer» C. Maguire (1963)
272.

A method of control of pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called_________________?

A. IPM
B. Allelopathy
C. Insect control
D. Chemical control
Answer» B. Allelopathy
273.

A long severe winter and short summer is called_________________?

A. Arctic
B. Sub-temperature
C. Semiarid
D. Semi arctic
Answer» B. Sub-temperature
274.

A. income farm where the operator is producing primarly his family’s needs rather than for sale is called_______________?

A. Family farming
B. Subsistence farming
C. Intensive farming
D. Progressive farming
Answer» C. Intensive farming
275.

A good source of vegetable protein is________________?

A. Com
B. Egg
C. Pulses
D. non of there
Answer» D. non of there
276.

A gas produced by anaerobic decomposition of organic compounds is called as_________________?

A. Ethane
B. Methane
C. Ammonia
D. CO₂
Answer» C. Ammonia
277.

A foreign variety that is directly recommended for commercial cultivation is called_________________?

A. Blended variety
B. Pure line variety
C. Exotic variety
D. Hybrid variety
Answer» D. Hybrid variety
278.

A crop grown on residual moisture after harvesting rice is called__________________?

A. Barani crop
B. Dubari crop
C. Ratoon crop
D. Sure crop
Answer» D. Sure crop
279.

A condition of green plants in which they become unhealthy and pale fellow in colour is known as_________________?

A. Chromoplast
B. Leucoplast
C. Chlorosis
D. Chromoplast
Answer» D. Chromoplast
280.

2,4-d is synthetic herbicide derived from_______________?

A. Amino acid
B. Valine
C. Auxins
D. Cytokmins
Answer» D. Cytokmins