Agronomy MCQs – Set 04 (Cropping Systems)
Agronomy MCQs – Set 04 (Cropping Systems)
Q1. Cropping system refers to:
A) Type of soil used
B) Sequence and arrangement of crops on a farm
C) Fertilizer management only
D) Irrigation scheduling
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Correct Answer: Sequence and arrangement of crops on a farm
Q2. Growing the same crop on the same land year after year is called:
A) Crop rotation
B) Mixed cropping
C) Monocropping
D) Intercropping
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Correct Answer: Monocropping
Q3. Crop rotation is defined as:
A) Growing two crops simultaneously
B) Growing crops in a definite sequence on the same land
C) Growing crops randomly
D) Growing only leguminous crops
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Correct Answer: Growing crops in a definite sequence on the same land
Q4. The main objective of crop rotation is to:
A) Increase weeds
B) Maintain soil fertility
C) Increase soil erosion
D) Increase monoculture
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Correct Answer: Maintain soil fertility
Q5. Mixed cropping involves:
A) Growing crops in sequence
B) Growing two or more crops together without row arrangement
C) Growing crops in alternate rows
D) Growing crops one after another
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Correct Answer: Growing two or more crops together without row arrangement
Q6. Intercropping differs from mixed cropping because intercropping has:
A) Random crop arrangement
B) No competition among crops
C) Definite row arrangement
D) Only one crop
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Correct Answer: Definite row arrangement
Q7. Which cropping system helps in efficient utilization of resources?
A) Monocropping
B) Intercropping
C) Fallowing
D) Sole cropping
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Correct Answer: Intercropping
Q8. Sequential cropping means:
A) Growing crops at the same time
B) Growing crops one after another in a year
C) Growing crops without irrigation
D) Growing crops without fertilizers
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Correct Answer: Growing crops one after another in a year
Q9. Which cropping system reduces risk of crop failure?
A) Monocropping
B) Sole cropping
C) Mixed cropping
D) Continuous cropping
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Correct Answer: Mixed cropping
Q10. Relay cropping refers to:
A) Growing crops in rotation
B) Sowing next crop before harvesting previous crop
C) Growing crops simultaneously
D) Growing crops after fallow
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Correct Answer: Sowing next crop before harvesting previous crop
Q11. Which cropping system is most suitable for dryland areas?
A) Intensive cropping
B) Monocropping
C) Mixed cropping
D) Triple cropping
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Correct Answer: Mixed cropping
Q12. Cropping intensity is expressed as:
A) Percentage of irrigated area
B) Number of crops grown per year
C) Percentage of net sown area
D) Gross cropped area divided by net sown area × 100
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Correct Answer: Gross cropped area divided by net sown area × 100
Q13. Which cropping system improves soil structure?
A) Continuous cropping
B) Crop rotation with legumes
C) Monocropping
D) Sole cropping
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Correct Answer: Crop rotation with legumes
Q14. Which of the following is an example of intercropping?
A) Rice–Wheat
B) Maize + Cowpea (row wise)
C) Wheat–Fallow
D) Rice–Rice
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Correct Answer: Maize + Cowpea (row wise)
Q15. Sole cropping refers to:
A) Growing two crops together
B) Growing only one crop in a field at a time
C) Growing crops in sequence
D) Growing crops without fertilizer
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Correct Answer: Growing only one crop in a field at a time
Q16. Which cropping system helps in weed suppression?
A) Monocropping
B) Intercropping
C) Fallowing
D) Sole cropping
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Correct Answer: Intercropping
Q17. The main disadvantage of monocropping is:
A) Low yield
B) Soil nutrient depletion
C) Difficult management
D) Increased labour requirement
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Correct Answer: Soil nutrient depletion
Q18. Which cropping system gives maximum cropping intensity?
A) Monocropping
B) Sequential cropping
C) Fallow system
D) Shifting cultivation
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Correct Answer: Sequential cropping
Q19. Crop diversification mainly aims to:
A) Increase monoculture
B) Reduce risk and increase income
C) Reduce soil fertility
D) Reduce cropping intensity
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Correct Answer: Reduce risk and increase income
Q20. Which cropping system is most suitable for irrigated areas?
A) Mixed cropping
B) Intercropping
C) Intensive cropping
D) Shifting cultivation
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Correct Answer: Intensive cropping
