Agriculture MCQs
Agriculture MCQs are essential for candidates preparing for competitive exams that include agricultural sciences as a subject area. This category includes well-structured multiple-choice questions covering all important topics such as agronomy, soil science, crop physiology, plant breeding, horticulture, agricultural economics, and pest control. These MCQs are ideal for students appearing in tests like PPSC, FPSC, NTS, and university entry exams where agriculture is part of the curriculum. The questions are designed to test both conceptual understanding and factual knowledge, making it easier for aspirants to revise efficiently and effectively. Whether you're aiming for a government job in the agriculture department or preparing for academic tests, these questions provide a solid foundation for success.
Q: Crop rotation helps to prevent
A) Soil depletion
B) Insect pollination
C) Weed growth
D) Plant flowering
✅ Correct Answer: A
Explanation: Rotating crops maintains soil nutrients and reduces pest and disease cycles.
Q: The purpose of irrigation is to provide
A) Drainage control
B) Temperature regulation
C) Water supply
D) Fertility boost
✅ Correct Answer: C
Explanation: Irrigation ensures adequate water supply essential for plant growth.
Q: Grain storage requires control of
A) Oxygen levels
B) Temperature and humidity
C) Wind speed
D) Sunlight exposure
✅ Correct Answer: B
Explanation: Maintaining proper temperature and humidity prevents spoilage and pests.
Q: Seed quality is determined by
A) Weight
B) Germination rate
C) Color
D) Shape
✅ Correct Answer: B
Explanation: High germination rate is a key indicator of good seed viability.
Q: Organic farming avoids use of
A) Manual labor
B) Rainwater
C) Synthetic chemicals
D) Animal manure
✅ Correct Answer: C
Explanation: Organic practices rely on natural methods and avoid synthetic fertilizers or pesticides.
Q: Farmers use greenhouses to
A) Block sunlight
B) Grow in dry soils
C) Extend growing season
D) Reduce manpower
✅ Correct Answer: C
Explanation: Greenhouses create a controlled environment, allowing year-round cultivation.
Q: Main nutrient for leaf development is
A) Nitrogen
B) Phosphorus
C) Potassium
D) Sulfur
✅ Correct Answer: A
Explanation: Nitrogen promotes leafy growth and is crucial for chlorophyll formation.
Q: Compost improves soil by adding
A) Salts
B) Organic matter
C) Sand
D) Gravel
✅ Correct Answer: B
Explanation: Compost enriches soil with decomposed organic material, enhancing fertility.
Q: Transpiration in plants mainly occurs through
A) Roots
B) Flowers
C) Stomata
D) Seeds
✅ Correct Answer: C
Explanation: Stomata in leaves release water vapor during transpiration, aiding nutrient movement.
Q: Agricultural productivity can be improved by
A) Monoculture
B) Traditional ploughing
C) Soil testing
D) Burning fields
✅ Correct Answer: C
Explanation: Soil testing helps determine nutrient deficiencies and guides fertilizer application.