Hi agriculturists, welcome to another set of questions on agronomy. Read all the questions very carefully before attempting. Today’s test series consists of 50 questions on agronomy based on the previous year’s questions of the Licensure Examination of Agriculturists. Hence, attempting these questions will help you improve your skills for the upcoming examination.

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Agriculture Questions Agronomy Set-B

Agronomy Test Series: Set-B

1. The term ‘Agriculture’ is derived from which two Latin words?

  • Ager and cultura
  • Ager and culturae
  • Agro and cultura
  • Agro and culturae

2. Which branch of agriculture deals with the production of fruits, vegetables, and flowers?

  • Agronomy
  • Horticulture
  • Forestry
  • Animal husbandry

3. Animal husbandry primarily deals with:

  • Crop production
  • Fish breeding
  • Livestock breeding and raising
  • Timber production

4. Which branch of agriculture is concerned with farm machinery and soil conservation?

  • Agronomy
  • Agricultural Engineering
  • Forestry
  • Home Science

5. The domestication of animals by humans was a characteristic of which stage of agricultural evolution?

  • Hunting
  • Pastoral
  • Crop culture
  • Trade

6. Who is considered the ‘Father of agricultural chemistry’?

  • Francis Bacon
  • Jan Baptiste Van Helmont
  • Liebig
  • Arthur Young

7. The ‘Liebig law of minimum’ states that plant growth is proportional to the amount of:

  • Water
  • Light
  • Mineral substances
  • Air

8. Which event occurred around 3400 BC that was significant for agriculture?

  • Wheel invention
  • Bronze use for tools
  • Plough invention
  • Irrigated farming start

9. The study of weather is called:

  • Climatology
  • Meteorology
  • Agronomy
  • Ecology

10. Which branch of agriculture deals with application and utilization of agricultural produce in food preparation?

  • Agronomy
  • Horticulture
  • Home Science
  • Agricultural Engineering

11. The period around 7500 BC is known for the cultivation of which crops?

  • Wheat and Barley
  • Rice and Maize
  • Chickpea and Mustard
  • Sugarcane and Cotton

12. In what year was the plough invented?

  • 3400 BC
  • 3000 BC
  • 2900 BC
  • 2300 BC

13. Which scientist conducted the ‘willow tree experiment’?

  • Jan Baptiste Van Helmont
  • Francis Bacon
  • Arthur Young
  • Theodar Desaussure

14. The concept of ‘photosynthesis’ was primarily developed by:

  • Liebig
  • Arthur Young
  • Theodar Desaussure
  • Gregor Mendal

15. What does the theory of ‘optima and limiting factors’ state?

  • Plant growth is optimal when all nutrients are supplied
  • Plant growth is determined by the most limiting factor
  • Plant growth is unaffected by nutrient levels
  • Plant growth is inversely proportional to nutrient levels

16. The method of growing plants without soil is called:

  • Hydroponics
  • Aquaponics
  • Geoponics
  • Soil science

17. Which scientist is known for the ‘Green Revolution’ in India?

  • M.S. Swaminathan
  • Norman Borlaug
  • Albert Howard
  • Rachel Carson

18. Which is not an element of the ‘Green Revolution’?

  • High-yield variety seeds
  • Chemical fertilizers
  • Organic farming
  • Pesticides

19. What is the primary goal of ‘sustainable agriculture’?

  • Maximize crop yield
  • Minimize cost
  • Protect environment and maintain soil fertility
  • Increase mechanization

20. Which practice involves alternating different crops in the same field to maintain soil fertility and reduce pest and weed problems?

  • Monoculture
  • Crop rotation
  • Polyculture
  • Intercropping

21. Which of the following is a micronutrient for plants?

  • Nitrogen
  • Phosphorus
  • Potassium
  • Iron

22. The process of ‘biological nitrogen fixation’ primarily involves which organisms?

  • Fungi
  • Bacteria
  • Viruses
  • Algae

23. ‘Silviculture’ is the practice of:

  • Fish farming
  • Crop cultivation
  • Dairy farming
  • Forest management and tree cultivation

24. The Green Revolution started in which decade?

  • 1930s
  • 1940s
  • 1950s
  • 1960s

25. Which technique is used to improve the yield and quality of crops through genetic manipulation?

  • Irrigation
  • Hybridization
  • Crop rotation
  • Monoculture

26. The term ‘Green manure’ refers to:

  • Animal dung used as fertilizer
  • Organic material turned into compost
  • Growing plants that are plowed back into the soil
  • Synthetic chemical fertilizers

27. What does ‘pH’ measure in soil?

  • Nutrient content
  • Soil texture
  • Soil acidity or alkalinity
  • Water content

28. Which of the following crops is typically grown in a wetland paddy field?

  • Wheat
  • Rice
  • Maize
  • Barley

29. What is the process of ‘transpiration’ in plants?

  • Absorption of nutrients
  • Photosynthesis
  • Water evaporation through leaves
  • Respiration

30. Which of the following is a systemic fungicide?

  • Mancozeb
  • Chlorothalonil
  • Metalaxyl
  • Captan

31. Which of the following is an example of a ‘cover crop’?

  • Soybeans
  • Rice
  • Corn
  • Cotton

32. What is the primary purpose of ‘integrated pest management’ (IPM)?

  • To use chemical pesticides exclusively
  • To minimize pest damage with minimal environmental impact
  • To increase pest populations
  • To eliminate all pests from the ecosystem

33. Which soil conservation method involves creating step-like areas on slopes?

  • Contour plowing
  • Strip cropping
  • Terracing
  • Windbreaks

34. ‘Humus’ is best described as:

  • Decomposed plant and animal matter in soil
  • The mineral content of soil
  • A type of clay found in soil
  • The pH level of soil

35. Which agricultural practice helps to reduce soil erosion?

  • Overgrazing
  • Deforestation
  • Crop rotation
  • Urbanization

36. ‘Loamy soil’ is considered ideal for farming because it:

  • Is sandy and drains quickly
  • Is clayey and retains water
  • Has a balanced mixture of sand, silt, and clay
  • Is mostly organic matter

37. Which of the following is a primary component of organic farming?

  • Synthetic fertilizers
  • GMOs
  • Organic compost
  • Chemical pesticides

38. Which factor is most critical for ‘photosynthesis’ in plants?

  • Oxygen
  • Carbon dioxide
  • Nitrogen
  • Soil

39. The term ‘aeroponics’ refers to growing plants:

  • In water
  • In soil
  • In air/mist environment
  • In rocks

40. Which type of irrigation system is most water-efficient?

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

41. The ‘three sisters’ planting method traditionally involves which crops?

  • Wheat, rice, barley
  • Corn, beans, squash
  • Soybeans, alfalfa, clover
  • Tomatoes, peppers, cucumbers

42. Which practice involves growing two or more crops in proximity?

  • Monoculture
  • Polyculture
  • Crop rotation
  • Terrace farming

43. Which practice is used to improve soil structure and nutrient content by rotating different types of crops?

  • Intercropping
  • Strip cropping
  • Cover cropping
  • Crop rotation

44. The term ‘permaculture’ refers to:

  • Temporary farming practices
  • Permanent agricultural systems
  • Monoculture farming
  • Single-season crops

45. Which term describes the practice of using biological agents to control pests?

  • Biofertilization
  • Bioremediation
  • Biological control
  • Biomagnification

46. What is the primary function of nitrogen-fixing bacteria in agriculture?

  • To produce oxygen
  • To convert nitrogen gas into a usable form for plants
  • To break down organic matter in the soil
  • To regulate soil pH

47. Which type of pesticide is least harmful to beneficial insects like bees?

  • Insect growth regulators
  • Organophosphates
  • Pyrethroids
  • Horticultural Oils

48. Which type of soil is typically found in wetlands?

  • Loamy soil
  • Sandy soil
  • Clay soil
  • Peat soil

49. Which of the following is NOT a method of organic waste management?

  • Composting
  • Vermicomposting
  • Incineration
  • Anaerobic digestion

50. What is the term for the process of converting organic waste into valuable fertilizer?

  • Aerobic digestion
  • Anaerobic digestion
  • Vermicomposting
  • Pyrolysis

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