Agriculture / Crop Science / General Agriculture MCQs / Quiz on Agronomy

Important MCQs from Agronomy

- June 1, 2025 | June 1, 2025 - AgriScan 7 minutes read

Here are 30 important MCQs that can be asked in competitive exams. For more important and diversified MCQs, you can CLICK HERE, and for MCQs analysis, you can CLICK HERE.

Q.1 Agriculture deals with the art, science and commerce of crop production. Which of the following better explain the art of agriculture?

  1. Mechanization
  2. Market linkage
  3. Farming experience
  4. Irrigation scheduling

Ans. (c) Farming experience

Q.2      In terms of evolution of modern crop production, in which era global agriculture is right now?

  1. Resource exploitation
  2. Resource conservation
  3. Resource substitution
  4. Information

Ans. (d) Information

Q.3 Due to green revolution, Indian agriculture achieved from farm to plate to farm to export. The green revolution technology didn’t positively impact

  1. Crop intensification
  2. Productivity
  3. Agrochemical usage
  4. Ecology and environment

Ans. (d) Ecology and environment

Q.4      Agronomy deals with both soil and crop management. Which of the following is not a core principle of Agronomy?

  1. Increasing productivity
  2. Increasing disease and pest resistance
  3. Increasing resource use efficiency
  4. Increasing profitability

Ans. (b) Increasing disease and pest resistance

Q.5      Green revolution was mostly emphasized on increasing the food grain production. By which agriculture technology the green revolution can be transformed into rainbow revolution?

  1. Crop intensification
  2. Agricultural biotechnology
  3. Integrated farming system
  4. ICT

Ans. (c) Integrated farming system

Q.6     In modern agriculture, along with increase in area and production two more dimensions have been added i.e., space and time dimension. Which of the following best explains crop intensification in space dimension?

  1. Shifting cultivation
  2. Crop rotation
  3. Lay cropping
  4. Multi-storied cropping

Ans. (d) Multi-storied cropping

Here are 30 important MCQs that can be asked in competitive exams. For more important and diversified MCQs, you can CLICK HERE, and for MCQs analysis, you can CLICK HERE.

Q.7     The marginal farmers of India are often poor and having resource constraint for crop production. Which of the following can sustain the livelihood of marginal farmers better?

  1. Monocropping
  2. Intercropping
  3. Integrated farming system
  4. Vertical farming

Ans. (c) Integrated farming system

Q.8     The crop yield obtained by the progressive farmers under the guidance of scientists using new technologies is known as

  1. Average farmers yield
  2. Potential farmers yield
  3. Potential yield
  4. Research yield

Ans. (b) Potential farmers yield

Q.9      There are several limitations and constraints faced during crop production. Which of the following is an example of socio-economic constraint of crop production?

  1. Availability of inputs and labor
  2. Weather and pollution
  3. Variety and market facility
  4. Weeds and pest problem

Ans. (a) Availability of inputs and labor

Q.10   Indeterminate plants are those whose main axis remains vegetative and flowers form in axillary buds. Which of the following is not an example of indeterminate plant?

  1. Cotton
  2. Sorghum
  3. Grape
  4. Cucumber

Ans. (b) Sorghum

Q.11    There are several factors affecting crop growth and productivity. Which of the following is not a genetic factor influencing crop growth?

  1. Yield potential
  2. Inter and intra plant competition
  3. Ecosystem adaptability
  4. Resistance to disease and pests

Ans. (b) Inter and intra plant competition

Q.12   There are several growth hormones which are produced in the plat body in smaller quantity influencing the growth of the plant part or system. Which of the following is not an example of growth promoter?

  1. Auxin
  2. Gibberellin
  3. Ethylene
  4. Cytokinin

Ans. (c) Ethylene

Q.13   The naturally produced growth hormones are grouped into five major classes. 2,4-D, NAA and IBA are examples of which of the following group of phyto-hormones?

  1. Auxin
  2. Gibberellin
  3. Cytokinin
  4. They are herbicides

Ans. (a) Auxin

Q.14   There are several weather parameters affecting the crop growth. Q10 is related to which of the following weather parameters?

  1. Temperature
  2. Precipitation
  3. Relative humidity
  4. Wind speed

Ans. (a) Temperature

Q.15   Recording growth rate gives the idea of how the management factors affecting the crop growth parameters. Which of the following growth parameter represents the dry matter production per unit leaf area per day in a crop?

  1. AGR
  2. CGR
  3. RGR
  4. NAR

Ans. (d) NAR

Q.16   Crop growth and development mostly influenced by atmospheric temperature. How higher temperature affects the crop phenophase?

  1. Remains the same
  2. Shorten phenophase
  3. Prolongs phenophase
  4. Depends on the variety

Ans. (b) Shorten phenophase

Q.17   Tillage is the physical manipulation of soil with suitable tools. Which of the following is not an objective of tillage?

  1. Suitable seed bed preparation
  2. Removing hard pan
  3. Improving soil structure and reducing erosion
  4. Mixing manure and fertilizer in soil

Ans. (c) Improving soil structure and reducing erosion

Q.18   Tilth is the qualitative characteristics of soil after tillage. Which of the following doesn’t represent a good tilth?

  1. Equal proportion of micro & macro pores
  2. Higher micropores than macropores
  3. Crumby and friable
  4. Larger aggregates in irrigated agriculture

Ans. (b) Higher micropores than macropores

Q. 19 Tillage influences several soil properties. Which of the following soil property can hardly be changed by tillage practice?

  1. Porosity
  2. Texture
  3. Structure
  4. Bulk density

Ans. (b) Texture

Q.20   Bulk density represents the mass of soil to total volume of soil including the pore space. What is the influence of tillage on the particle density of soil?

  1. Increases particle density
  2. Decreases particle density
  3. Depends on soil porosity
  4. Doesn’t affect particle density

Ans. (d) Doesn’t affect particle density

Here are 30 important MCQs that can be asked in competitive exams. For more important and diversified MCQs, you can CLICK HERE, and for MCQs analysis, you can CLICK HERE.

Q.21   Tillage breaks the hard pan and aggregates and makes the soil porous. What is the impact of tillage on soil thermal conductivity and heat capacity?

  1. Remains same
  2. Decreases
  3. Increases
  4. Depends on soil texture

Q.22   Different plough is having different purpose of usage. Which of the following plough is the lightest and used for multiple purposes and by most of the marginal farmers?

  1. Animal drawn MB plough
  2. Tractor drawn MB plough
  3. Disc plough
  4. Country plough

Q.23   The depth of ploughing depends on the effective root zone depth of the crop. According to CRIDA, the depth of ploughing when it is classified as Deep ploughing is

  1. 5-6 cm
  2. 15-20 cm
  3. 25-30 cm
  4. 30-50 cm

Q.24   Chisel ploughs are used for subsoiling and breaking hard pans at deeper depth. To prolong the effect of subsoiling, vertical mulching is adopted mostly in which soil orders?

  1. Entisols
  2. Alfisols
  3. Oxisols
  4. Vertisols

Q.25   Japanese rotary weeder is a manual labor operated implement used for weeding and incorporation of fertilizer. It is used in

  1. Vegetable crops
  2. Line sown lowland rice
  3. Pulse crops
  4. Sugarcane and maize

Q.26   The concept and practice of minimum tillage was started in the USA due to sudden rise of oil price. Which of the following implement helps in minimum tillage sowing of crops?

  1. Country plough
  2. Chisel plough
  3. Happy seeder
  4. Rotavator

Q.27   Minimum tillage has several advantages and disadvantages. Which of the following is not a disadvantage in minimum tillage?

  1. Lower seed germination
  2. Higher immobilization
  3. Difficulty in sowing operation
  4. More prevalence in annual weeds

Q.28   Puddling is the ploughing of soil under standing water to form impervious soil layer. The main objective of puddling is

  1. Increasing root growth
  2. Reducing nutrient losses
  3. Improving soil aeration
  4. Increasing water use efficiency

Q.29   The technique used for increasing the germination percentage as well as synchrony by soaking the seeds in water or suitable solvent

  1. Priming
  2. Inoculation
  3. Vernalization
  4. Stratification

Q.30   The full yield potential of a crop can be achieved when sown in wider spacing. Who first made the effort to quantify plant population and yield relationship?

  1. Howard
  2. Holliday
  3. Lawes
  4. Gregory

Here are 30 important MCQs that can be asked in competitive exams. For more important and diversified MCQs, you can CLICK HERE, and for MCQs analysis, you can CLICK HERE.

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