Are you preparing for your licensure examination in agriculture? This comprehensive set of 50 questions will help you test your knowledge of agriculture. We are going to launch a set of 50 questions daily for students to prepare for competitive agricultural exams worldwide. This set of questions is especially crafted on the basis of the previous year’s questions asked in the Agriculturists Licensure Examination

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Agriculture Questions Set 1

Agriculture Questions Set-1

1. Which of the following soil nutrients is most commonly associated with promoting strong root development in plants?

  • Nitrogen (N)
  • Phosphorus (P)
  • Potassium (K)
  • Calcium (Ca)

2. Which crop is most sensitive to waterlogging conditions?

  • Rice
  • Wheat
  • Maize
  • Barley

3. What is the primary purpose of crop rotation?

  • Increase soil salinity
  • Reduce soil erosion
  • Enhance soil fertility
  • Increase pest resistance

4. Which type of irrigation system is most efficient in terms of water usage?

  • Flood irrigation
  • Drip irrigation
  • Sprinkler irrigation
  • Furrow irrigation

5. Which of the following is a macronutrient required by plants?

  • Iron (Fe)
  • Zinc (Zn)
  • Magnesium (Mg)
  • Molybdenum (Mo)

6. What is the process of converting nitrogen gas from the atmosphere into a form that plants can use called?

  • Photosynthesis
  • Nitrogen fixation
  • Nitrification
  • Ammonification

7. Which pest is known for causing significant damage to cotton crops?

  • Colorado potato beetle
  • Boll weevil
  • European corn borer
  • Cabbage looper

8. Which of the following is a primary symptom of potassium deficiency in plants?

  • Yellowing of leaves (chlorosis)
  • Purple spots on leaves
  • Wilting of leaves
  • Browning of leaf edges

9. What is the scientific name for the practice of growing different types of crops in the same area in sequential seasons?

  • Monoculture
  • Polyculture
  • Crop rotation
  • Intercropping

10. What is the main advantage of using biological pest control methods?

  • Immediate pest eradication
  • Long-term pest resistance
  • Lower cost compared to chemical methods
  • Reduced environmental impact

11. Which insect is a major pest of stored grains?

  • Aphid
  • Corn earworm
  • Red flour beetle
  • Japanese beetle

12. What is the mode of action of systemic insecticides?

  • They kill pests on contact
  • They are ingested by pests and disrupt internal systems
  • They repel pests without killing them
  • They create a barrier on the plant surface

13. Which soil pH level is generally considered optimal for most crops?

  • 4.5 – 5.5
  • 5.5 – 6.5
  • 6.0 – 7.0
  • 7.5 – 8.5

14. Which of the following is a micronutrient required by plants?

  • Boron (B)
  • Nitrogen (N)
  • Phosphorus (P)
  • Potassium (K)

15. What is the term for the loss of water vapor from the aerial parts of plants?

  • Transpiration
  • Evaporation
  • Condensation
  • Precipitation

16. Which crop is known as a “cash crop” due to its high market value?

  • Wheat
  • Cotton
  • Rice
  • Maize

17. Which of the following is a method of asexual plant propagation?

  • Seed planting
  • Layering
  • Cross-pollination
  • Germination

18. What is the process called when bees transfer pollen from one flower to another?

  • Pollination
  • Germination
  • Photosynthesis
  • Fertilization

19. Which irrigation method is commonly used for rice cultivation?

  • Sprinkler irrigation
  • Drip irrigation
  • Surface irrigation
  • Subsurface irrigation

20. What is the term for the cultivation of plants in nutrient-rich water?

  • Hydroponics
  • Aeroponics
  • Aquaponics
  • Soil culture

21. Which of the following crops is a legume?

  • Wheat
  • Soybean
  • Rice
  • Barley

22. What is the main purpose of terracing in agriculture?

  • Increase soil acidity
  • Reduce soil erosion
  • Enhance water drainage
  • Increase crop yield

23. Which practice involves growing two or more crops in proximity to each other for mutual benefit?

  • Monocropping
  • Polycropping
  • Crop rotation
  • Intercropping

24. Which type of soil is best for growing most crops?

  • Sandy soil
  • Clay soil
  • Loamy soil
  • Silty soil

25. What is the primary benefit of no-till farming?

  • Increased soil compaction
  • Reduced soil erosion
  • Faster crop growth
  • Increased water runoff

26. Which of the following is a commonly used green manure crop?

  • Wheat
  • Rye
  • Barley
  • Clover

27. What is the process called when water from precipitation or irrigation moves through the soil and carries away nutrients?

  • Erosion
  • Percolation
  • Leaching
  • Runoff

28. Which of the following is not a characteristic of organic farming?

  • Use of synthetic fertilizers
  • Crop rotation
  • Biological pest control
  • Composting

29. Which type of climate is best suited for growing coffee?

  • Temperate
  • Tropical
  • Arid
  • Polar

30. Which crop is known as a “C4 plant” due to its photosynthesis process?

  • Wheat
  • Rice
  • Maize
  • Barley

31. What is the main purpose of using cover crops in agriculture?

  • Increase soil temperature
  • Reduce soil fertility
  • Control weeds and improve soil health
  • Increase water runoff

32. What is the primary function of stomata in plant leaves?

  • Absorb water
  • Exchange gases
  • Store nutrients
  • Support the plant structure

33. Which element is essential for chlorophyll production in plants?

  • Iron (Fe)
  • Calcium (Ca)
  • Magnesium (Mg)
  • Sulfur (S)

34. What is the main advantage of using genetically modified (GM) crops?

  • Higher resistance to pests and diseases
  • Lower yield
  • Increased water usage
  • Reduced growth rate

35. Which of the following is a common fungal disease affecting wheat?

  • Late blight
  • Rust
  • Mosaic virus
  • Anthracnose

36. What is the term for the upper layer of soil that contains most of the organic matter and nutrients?

  • Subsoil
  • Bedrock
  • Topsoil
  • Parent material

37. Which of the following practices is used to improve soil structure and fertility?

  • Overgrazing
  • Crop rotation
  • Monocropping
  • Deforestation

38. Which plant hormone is responsible for stimulating cell division and growth?

  • Auxin
  • Gibberellin
  • Cytokinin
  • Ethylene

39. What is the process of removing excess salt from soil called?

  • Desalinization
  • Desalination
  • Leaching
  • Irrigation

40. Which nutrient is essential for the formation of amino acids and proteins in plants?

  • Potassium (K)
  • Nitrogen (N)
  • Phosphorus (P)
  • Calcium (Ca)

41. Which of the following is a micronutrient required by plants?

  • Nitrogen
  • Phosphorus
  • Potassium
  • Zinc

42. Which practice involves growing different crops in succession on the same land to maintain soil fertility?

  • Monocropping
  • Crop rotation
  • Intercropping
  • Contour farming

43. Which type of pest control uses natural predators to manage pest populations?

  • Chemical control
  • Biological control
  • Mechanical control
  • Cultural control

44. Which crop is primarily grown for its edible oil?

  • Corn
  • Soybean
  • Wheat
  • Barley

45. What is the primary advantage of using drip irrigation systems?

  • High water usage
  • Reduced water usage
  • Increased soil erosion
  • Increased runoff

46. What is the process of breeding and selecting plants for desirable traits known as?

  • Genetic engineering
  • Plant breeding
  • Hybridization
  • Cloning

47. Which of the following is a warm-season grass commonly used for livestock forage?

  • Kentucky bluegrass
  • Ryegrass
  • Bermuda grass
  • Fescue

48. What is the main benefit of using compost in gardening and agriculture?

  • Increased soil erosion
  • Enhanced soil fertility and structure
  • Reduced plant growth
  • Increased water runoff

49. Which plant part is primarily responsible for water and nutrient uptake?

  • Stem
  • Leaves
  • Roots
  • Flowers

50. What is the primary function of nitrogen-fixing bacteria in the soil?

  • Decompose organic matter
  • Convert nitrogen gas into usable forms for plants
  • Produce oxygen
  • Increase soil pH

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