Agronomy MCQs – Set 10 (Dryland Agriculture)
Agronomy MCQs – Set 10 (Dryland Agriculture)
Q1. Dryland agriculture refers to crop production in areas receiving annual rainfall of:
A) More than 1500 mm
B) 1000–1500 mm
C) Less than 750 mm
D) Less than 200 mm
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Correct Answer: Less than 750 mm
Q2. The main limiting factor in dryland agriculture is:
A) Soil fertility
B) Water availability
C) Seed quality
D) Weed infestation
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Correct Answer: Water availability
Q3. Dryland farming is mostly practiced under:
A) Irrigated conditions
B) Rainfed conditions
C) Flooded conditions
D) Controlled environments
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Correct Answer: Rainfed conditions
Q4. Which crop is most suitable for dryland areas?
A) Rice
B) Sugarcane
C) Sorghum
D) Banana
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Correct Answer: Sorghum
Q5. The main objective of dryland agriculture is to:
A) Maximize yield per plant
B) Stabilize crop production under moisture stress
C) Increase irrigation use
D) Grow long-duration crops
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Correct Answer: Stabilize crop production under moisture stress
Q6. Dryland soils are generally:
A) Heavy clay soils
B) Poorly drained soils
C) Light textured with low water holding capacity
D) Highly fertile soils
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Correct Answer: Light textured with low water holding capacity
Q7. Which practice helps conserve soil moisture in dryland farming?
A) Frequent irrigation
B) Mulching
C) Flooding
D) Excess tillage
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Correct Answer: Mulching
Q8. Contour farming is mainly practiced to:
A) Increase runoff
B) Reduce soil erosion
C) Increase evaporation
D) Increase plant population
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Correct Answer: Reduce soil erosion
Q9. Which cropping system is preferred in dryland agriculture?
A) Monocropping
B) Mixed cropping
C) Intensive cropping
D) Triple cropping
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Correct Answer: Mixed cropping
Q10. Dryland crops are usually:
A) Long duration crops
B) Short duration and drought tolerant
C) High water demanding
D) Shallow rooted
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Correct Answer: Short duration and drought tolerant
Q11. Which tillage practice is recommended in dryland areas?
A) Intensive tillage
B) Zero tillage only
C) Minimum tillage
D) Puddling
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Correct Answer: Minimum tillage
Q12. Summer ploughing in dryland agriculture helps in:
A) Increasing evaporation
B) Conserving soil moisture
C) Killing weeds and pests
D) Increasing soil compaction
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Correct Answer: Killing weeds and pests
Q13. Which nutrient management practice is suitable for drylands?
A) Heavy fertilizer application
B) Integrated nutrient management
C) Only chemical fertilizers
D) Excess nitrogen application
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Correct Answer: Integrated nutrient management
Q14. Intercropping in dryland areas helps in:
A) Increasing risk
B) Efficient resource use and risk reduction
C) Increasing water demand
D) Reducing crop diversity
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Correct Answer: Efficient resource use and risk reduction
Q15. Which soil moisture conservation practice reduces evaporation?
A) Deep ploughing
B) Mulching
C) Flood irrigation
D) Frequent hoeing
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Correct Answer: Mulching
Q16. Dryland farming is most common in which region of India?
A) Indo-Gangetic plains
B) Coastal regions
C) Deccan plateau
D) Himalayan region
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Correct Answer: Deccan plateau
Q17. Which crop is NOT suitable for dryland agriculture?
A) Pearl millet
B) Pigeon pea
C) Groundnut
D) Rice
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Correct Answer: Rice
Q18. Moisture stress during which stage causes maximum yield loss in drylands?
A) Maturity stage
B) Vegetative stage
C) Critical growth stages
D) Dormancy stage
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Correct Answer: Critical growth stages
Q19. Which practice increases infiltration in dryland soils?
A) Soil compaction
B) Organic matter addition
C) Over-irrigation
D) Surface sealing
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Correct Answer: Organic matter addition
Q20. The success of dryland agriculture mainly depends on:
A) Use of irrigation
B) Efficient rainwater management
C) High fertilizer input
D) Intensive cropping
Show Answer
Correct Answer: Efficient rainwater management
