Use JAMB Agricultural Science Questions and Answers here properly. You need to prepare well in order to clear JAMB Agric science. Studying the definitions is not enough. It is important to understand agricultural concepts, differentiate related terms, interpret data and apply this knowledge to practical situations.
This post provides the best 40+ Agricultural Science JAMB questions and answers with explanations, additional guidance, common mistakes and preparation tips for all of the topics covered in the syllabus.
Important! The questions in this article are practice questions created exclusively for this post. They are not official Agriculture JAMB questions, past questions or JAMB Agric questions leaked by anyone.
What Is JAMB Agricultural Science?
Agricultural Science is a UTME subject that evaluates the understanding of agriculture and related fields such as crop production, animal production, agricultural economics, extension and agricultural technology.
The syllabus encourages students to gain knowledge and develop practical skills in agriculture and interpret information and carry out simple deduction from agricultural data. Agricultural science has the following divisions:
General Agriculture, Agronomy, Animal Production, Agricultural Economics and Extension, and Agricultural Technology.
For up-to-date syllabus, it is best to consult the JAMB Integrated Brochure and Syllabus System (IBASS) provided by their official website.
What Does The JAMB Agric Science Syllabus Cover?
The syllabus indicates the areas to be studied for the examination and the topics covered are grouped into the following sections:
General Agriculture
- Agricultural development and problems
- Meaning, scope, and importance of agriculture
Agronomy
- Methods of crop production and management
- Soil formation and properties
- Soil fertility and conservation
- Crop pests, diseases, and weeds
Animal Production
- Management of farm animals
- Nutrition, and reproduction of farm animals
- Infectious, parasitic, and animal diseases
- Improvement of farm animals
Agricultural Economics and Extension
- Factors of production and farm management
- Agricultural marketing, finance, and extension
Agricultural Technology
- Farm tools, implements, machines, processing, and storage
- Agricultural practices and technologies
For a detailed coverage of topics, it is best to consult the syllabus using the JAMB IBASS as the link above shows.
40 JAMB Agricultural Science Objectives Questions And Answers
General Agriculture Questions
1. Agriculture is best described as the science and practice of
A. extracting minerals from the soil
B. producing, processing and marketing agricultural products
C. constructing farm buildings only
D. importing food products
Answer: B. producing, processing and marketing agricultural products
Explanation: Agriculture is a wide concept and covers more than growing food. It includes processing and other aspects of production such as marketing.
2. Which of the following is a major contribution of agriculture to national development?
A. Elimination of all imports
B. Provision of raw materials for industries
C. Prevention of urbanisation
D. Replacement of all service industries
Answer: B. Provision of raw materials for industries
Explanation: Agriculture provides products for direct use and raw materials for other industries such as the food-processing, textile, and beverage industries.
3. A farming system that is mainly concerned with food production for home use is known as
A. commercial farming
B. mechanised farming
C. subsistence farming
D. plantation farming
Answer: C. subsistence farming
Explanation: This type of farming is mainly for the personal use of the farmer and his family. There may be some surplus for sale.
4. Which of the following is a major problem affecting agricultural production in many developing countries?
A. Access to sunlight
B. Inadequate access to agricultural inputs and finance
C. Existence of soil organisms
D. Crop diversification
Answer: B. Inadequate access to agricultural inputs and finance
Explanation: The lack of finance and access to agricultural inputs tends to lower farm production. The other options are not major constraints.
5. The branch of agriculture that is concerned with the science and practice of crop production is
A. agronomy
B. forestry
C. fisheries
D. veterinary medicine
Answer: A. agronomy
Explanation: Agronomy is related to the production of crops while forestry is related to forest management, and fisheries are related to aquatic animals.
6. An agricultural programme that is aimed at improving farmers’ knowledge and practices is mostly related to
A. agricultural extension
B. agricultural marketing
C. farm surveying
D. food preservation
Answer: A. agricultural extension
Explanation: Agricultural extension is related to sharing information with farmers.
7. Which of the following is an agricultural input?
A. Harvested yam
B. Fertiliser
C. Processed cassava flour
D. Market stall
Answer: B. Fertiliser
Explanation: An input is used in the process of production. Fertiliser is used to add minerals to the soil for better crop production.
8. A mixed farming enterprise mainly involves
A. growing crops and rearing animals
B. growing one crop only
C. shifting cultivation
D. plantation agriculture
Answer: A. growing crops and rearing animals
Explanation: Mixed farming is a system in which crops and animals are both farmed.
Agronomy Questions
9. The process of breaking down rocks to form soil particles is known as
A. erosion
B. weathering
C. leaching
D. sedimentation
Answer: B. weathering
Explanation: Weathering is the physical, chemical, and biological breakdown of rocks into smaller particles to form soil.
10. The soil particle with the largest diameter is
A. clay
B. silt
C. sand
D. humus
Answer: C. sand
Explanation: Sand has larger particles than silt and clay. Humus is not a soil particle but decomposed organic matter in the soil.
11. The component of the soil that enhances the structure and water-holding capacity of the soil is
A. gravel
B. humus
C. bedrock
D. soluble salt
Answer: B. humus
Explanation: Humus is formed from decayed plant and animal matter. It is good for the soil because it improves its structure and water-holding capacity.
12. Which of the following practices is suitable for controlling soil erosion in a steep slope?
A. Continuous cropping along the slope
B. Contour farming
C. Overgrazing
D. Removal of all vegetation
Answer: B. Contour farming
Explanation: Farming along a slope allows running water to erode the soil easily.
13. The nutrient that is mainly required for healthy leafy or vegetative growth of crops is
A. nitrogen
B. phosphorus
C. potassium
D. calcium only
Answer: A. nitrogen
Explanation: Nitrogen is a major contributor to the healthy vegetative growth of crops.
14. The best way to correct the deficiency of nutrients in the soil is through
A. appropriate nutrient management
B. increasing weed growth
C. excessive irrigation
D. harvesting early
Answer: A. appropriate nutrient management
Explanation: This involves the use of appropriate fertilizers and organic manure.
15. The removal of unwanted plants that compete with crops for nutrients is called
A. thinning
B. weeding
C. pruning
D. staking
Answer: B. weeding
Explanation: Weeds are unwanted plants that compete with crops for nutrients, water, and light. They should be removed.
16. Which of the following methods is a biological method of controlling crop pests?
A. Introducing a natural enemy of the pest
B. Burning farm machinery
C. Increasing soil erosion
D. Permanent removal of all crops
Answer: A. Introducing a natural enemy of the pest
Explanation: Some pests can be controlled by introducing their natural enemies.
Animal Production Questions
17. The process of keeping and managing animals for the purpose of obtaining useful products is known as
A. animal production
B. agronomy
C. forestry
D. soil science
Answer: A. animal production
Explanation: Animals are managed for their useful products.
18. Which of the following animals is a ruminant?
A. Pig
B. Goat
C. Rabbit
D. Chicken
Answer: B. Goat
Explanation: Ruminants are animals that have four-chambered stomachs and chew their cud.
19. The nutrient that is needed for the repair and growth of tissues is
A. carbohydrate
B. protein
C. vitamin
D. water
Answer: B. protein
Explanation: Protein is needed for tissue repair and growth although it is not the only nutrient needed for growth.
20. A balanced ration is a diet that
A. contains only energy-giving feeds
B. contains all the essential nutrients in appropriate proportions
C. is only given to young animals
D. consists only of concentrates
Answer: B. contains all the essential nutrients in appropriate proportions
Explanation: All the nutrients needed for proper animal function are provided in the right proportions.
21. Which of the following is a preventive measure for controlling livestock diseases?
A. Ignoring sick animals
B. Proper sanitation and appropriate disease-control measures
C. Mixing newly bought animals immediately with the host flock
D. Feeding animals with spoiled feed
Answer: B. Proper sanitation and appropriate disease-control measures
Explanation: Proper sanitation reduces disease transmission and lowers disease incidence.
22. The act of removing an animal from a herd or flock because it is not fit for a particular purpose is known as
A. selection
B. culling
C. incubation
D. vaccination
Answer: B. culling
Explanation: Culling is the act of removing an animal from a herd or flock due to specific undesirable reasons.
23. The branch of animal production that is concerned with egg and poultry production is
A. Apiculture
B. Poultry production
C. Pisciculture
D. Sericulture
Answer: B. Poultry production
Explanation: Poultry production involves the production of eggs and poultry meat.
24. The main purpose of animal breeding is to
A. prevent all variation
B. improve desirable inherited characteristics
C. eliminate animal feeding
D. replace management practices completely
Answer: B. improve desirable inherited characteristics
Explanation: Animal breeding aims to improve desirable characteristics such as growth rate and resistance to disease.
Agricultural Economics and Extension Questions
25. Land, labour, capital, and entrepreneurship are known as
A. factors of production
B. farm outputs
C. marketing channels
D. natural disasters
Answer: A. factors of production
Explanation: These are the factors of production.
26. Which of the following is the reward for labour?
A. Rent
B. Interest
C. Wages
D. Profit
Answer: C. Wages
Explanation: Wages are rewards for labour. Rent is the reward for land, interest is the reward for capital, and profit is the reward for entrepreneurship.
27. A farmer who takes a loan from the bank to start a farm business is said to be acquiring
A. agricultural credit
B. depreciation
C. subsistence production
D. extension service
Answer: A. agricultural credit
Explanation: Agricultural credit refers to loans taken by farmers to supplement their limited funds.
28. The process of transporting farm produce from the producer to the consumer is known as
A. agricultural marketing
B. weathering
C. breeding
D. irrigation
Answer: A. agricultural marketing
Explanation: Agricultural marketing involves all activities related to transporting agricultural products to the final consumers.
29. Which of the following statements best describes the function of agricultural extension?
A. Agricultural extension mainly provides information and training to farmers on agricultural production.
B. Agricultural extension mainly replaces farmers with machinery.
C. Agricultural extension mainly prevents farmers from adopting agricultural innovations.
D. Agricultural extension mainly eliminates agricultural research.
Answer: A. Agricultural extension mainly provides information and training to farmers on agricultural production.
Explanation: Agricultural extension services provide information and training to farmers.
30. Records of the money received and spent on a farm enterprise can help
A. evaluate the farm enterprise
B. determine rainfall
C. determine the texture of the soil
D. incubate eggs
Answer: A. evaluate the farm enterprise
Explanation: Records of all farm expenditures and receipts help determine the enterprise’s success.
31. The difference between the amount of money received for a farm enterprise and the amount spent on it is helpful in determining
A. financial performance
B. the colour of the soil
C. the gestation period of animals
D. seed dormancy
Answer: A. financial performance
Explanation: This information indicates whether the enterprise is financially viable or not.
32. One important benefit farmers obtain from a cooperative is that
A. it provides opportunities for collective action and services
B. it ensures that every farm enterprise is highly profitable
C. it eliminates all production risks
D. it replaces farm management completely
Answer: A. it provides opportunities for collective action and services
Explanation: Cooperatives can provide services to their members.
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Agricultural Technology Questions
33. Which of the following agricultural tools is best suited for breaking up the soil in a small garden?
A. Hoe
B. Thermometer
C. Wheelbarrow only
D. Measuring cylinder
Answer: A. Hoe
Explanation: A hoe can be used for breaking up the soil in a small garden.
34. The agricultural machine that provides mechanical power for pulling or drawing farm implements is
A. tractor
B. incubator
C. refrigerator
D. microscope
Answer: A. tractor
Explanation: A tractor provides mechanical power for drawing farm implements.
35. The main reason for processing agricultural products is to
A. add value to them and improve their use value or storage
B. ensure that they do not spoil at all
C. ensure that there are no production costs
D. speed up their growth after harvesting
Answer: A. add value to them and improve their use value or storage
Explanation: Processing agricultural products helps improve their value and storage.
36. The main reason for proper storage of agricultural produce is to
A. reduce avoidable losses
B. increase the acidity of the soil automatically
C. eliminate the need for harvesting
D. convert all products to fertilizers
Answer: A . reduce avoidable losses
Explanation: Storing agricultural produce under appropriate conditions reduces losses due to pests, insects, and mould.
37. A regular servicing of a farm machine is important because
A. it helps to increase its efficiency and reduce wear and tear
B. it makes it permanently functional without repairs
C. it removes the need for an operator
D. it makes safety measures optional
Answer: A . it helps to increase its efficiency and reduce wear and tear
Explanation: Servicing farm equipment increases its efficiency and reduces damage.
38. Which of the following is a correct procedure when using farm machinery?
A. Operating the equipment without understanding how it works
B. Following instructions when using farm machinery
C. Putting on loose clothes when operating farm machinery
D. Repairing farm machinery while it is in use
Answer: B . Following instructions when using farm machinery
Explanation: Farm machinery should be operated by personnel who understand how to use them.
39. Irrigation is the process of
A. artificially providing water to crops or soil at the right time
B. removing all water from the soil
C. using only chemical pesticides
D. relying solely on natural rainfall
Answer: A . artificially providing water to crops or soil at the right time
Explanation: Irrigation involves the artificial application of water to crops or soil.
40. A farmer who compares different farming methods and chooses the most efficient one is practising
A. farm management decision-making
B. soil erosion
C. animal digestion
D. seed dispersal
Answer: A . farm management decision-making
Explanation: Farm management decision-making is a process that helps farmers make the best decision about their farms.
How To Use The JAMB Agric Questions
It is not enough to simply read the answers. Here is a recommended study approach:
- Attempt each question first and mark your answers.
- Once you finish a set, check your answers and review the explanations for the questions you got wrong.
- Go back to your syllabus and read the relevant sections.
- Practice additional questions until you understand the topic.
A Simple Self-Assessment Strategy
After completing the 40 questions, you may have identified your strongest and weakest areas. Use the table below as a self-assessment guide to plan your study schedule:
- Area Strongest Weak
- General Agriculture Agronomy
- Agronomy Animal Production
- Animal Production Agricultural Economics and Extension
- Agricultural Economics and Extension Agricultural Technology
- Agricultural Technology General Agriculture
Additional Practice Questions For JAMB Agricultural Science
Try the following questions and see how well you do. (Answers are at the bottom of the section)
Practice Question 1
Which of the following agricultural practices is best suited for conserving the soil surface against the direct effect of rain?
A. Mulching
B. Overgrazing
C. Bush burning
D. Continuous cultivation
Practice Question 2
Which of the following feed ingredients provides energy for farm animals?
A. Carbohydrates
B. Minerals only
C. Vitamins only
D. Water only
Practice Question 3
The major importance of a record of farm expenses is
A. Farm financial planning
B. Increasing rainfall
C. Changing the texture of the soil
D. Preventing seed germination
Practice Question 4
Which of the following agricultural practices will help reduce post-harvest losses?
A. Proper handling and storage of farm produce
B. Leaving farm produce in all conditions that encourage damage
C. Ignoring damage caused by pests
D. Harvesting and abandoning farm produce
Practice Question 5:
The deliberate mating of animals to obtain better breeds is known as
A. Animal breeding
B. Agricultural marketing
C. Soil erosion
D. Food preservation
Is Agricultural Science an Approved UTME Subject?
Yes, Agricultural Science is an approved UTME subject.
Does it mean Agricultural Science is acceptable for all courses at all schools?
No, each course and institution has its own JAMB UTME requirements. Candidates should consult the JAMB IBASS eligibility checker and their preferred schools’ websites to ensure that Agricultural Science is required before changing their UTME choices.
How to Check JAMB Agricultural Science Info
Since examination and admission information has a tendency to change, candidates have to know how to differentiate between reliable information and unsubstantiated claims online
Step 1: Know Where To Find Information On JAMB’s Website
JAMB’s official website contains links to their official services, including IBASS,
Step 2: Know Where To Find Syllabus/Course Eligibility Information
Using IBASS, candidates can find information on course eligibility and syllabi that pertain to their application. Their eligibility portal is also a good source of information on programmes, O’Level qualifications and UTME subject combinations.
Step 3: Determine The Date And Source Of Any Notice
A notice (in the form of a screenshot, blog post or social-media message) could be out-of-date or misleading. It is best to always look for the source and determine when it was published.
Step 4: Differentiate Between Official Questions And Practice Questions
Unless there are questions that have been clearly identified by JAMB as official past or sample questions, it is best not to take the statements at face value.
The Final Say
Success in JAMB Agricultural Science requires an understanding of agricultural principles that apply throughout the syllabus, and not a rote-learning of isolated answers. To truly prepare for the examination, it is essential to focus on principles, practice regularly, learn from one’s mistakes and use reliable sources to verify any examination or admission requirements.
The 40 questions in this guide should be treated as a starting point for revision. To achieve the best possible preparation for the examination, candidates should combine the practice questions with thorough studying of the latest JAMB Agricultural Science syllabus and focused revision of weak areas.
Disclaimer
This article is an independent educational resource. The practice questions and explanations given are original and are not affiliated with, endorsed by, or supplied as official examination questions by the Joint Admissions and Matriculation Board (JAMB).
Information about syllabuses, UTME subjects and admission requirements should always be verified through JAMB’s official website and IBASS before candidates make decisions. JAMB’s official resources and requirements may be updated over time.
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