First Term Examination Agricultural Science JSS 3 First Term Lesson Notes Week 12

  

First Term Examination JSS 3 Agricultural Science

Time: 2 hours
Instructions: Answer all questions. Write neatly and clearly.

Section A: Objective Questions

Choose the correct option (a, b, c, or d) for each question.

  1. Which of the following is not a method of soil conservation?
    a. Terracing
    b. Mulching
    c. Ploughing
    d. Crop rotation
  2. Which type of soil is best for growing rice?
    a. Sandy soil
    b. Loamy soil
    c. Clay soil
    d. Peaty soil
  3. What is the primary purpose of irrigation in agriculture?
    a. To control pests
    b. To enhance soil fertility
    c. To provide water for crops
    d. To prevent soil erosion
  4. Which of the following is a leguminous crop?
    a. Maize
    b. Sorghum
    c. Groundnut
    d. Cassava
  5. Which soil nutrient is most important for plant growth?
    a. Calcium
    b. Magnesium
    c. Nitrogen
    d. Potassium
  6. Which type of farming involves raising animals for food and other products?
    a. Horticulture
    b. Aquaculture
    c. Crop farming
    d. Animal husbandry
  7. What is the process of adding organic matter to the soil called?
    a. Fertilization
    b. Composting
    c. Irrigation
    d. Cultivation
  8. Which of the following is a common pest in agriculture?
    a. Earthworm
    b. Ladybug
    c. Grasshopper
    d. Honeybee
  9. What is the main purpose of crop rotation?
    a. To improve soil structure
    b. To increase crop yield
    c. To reduce soil erosion
    d. To control weeds
  10. Which of the following practices helps in conserving water in agriculture?
    a. Overhead irrigation
    b. Drip irrigation
    c. Flood irrigation
    d. Sprinkler irrigation
  11. What is the primary source of plant nutrients?
    a. Water
    b. Air
    c. Soil
    d. Sunlight
  12. Which soil type has the highest water retention capacity?
    a. Sandy soil
    b. Silty soil
    c. Clay soil
    d. Loamy soil
  13. What is the purpose of using fertilizers in agriculture?
    a. To increase soil acidity
    b. To enhance plant growth
    c. To reduce soil erosion
    d. To kill pests
  14. Which method is used to control soil erosion on hilly terrain?
    a. Contour plowing
    b. Crop rotation
    c. Drip irrigation
    d. Mulching
  15. What does mulching help to prevent?
    a. Soil erosion
    b. Soil compaction
    c. Waterlogging
    d. Soil salinity
  16. Which of the following is an example of a cereal crop?
    a. Beans
    b. Wheat
    c. Potatoes
    d. Tomatoes
  17. What is the term for planting different crops in the same field in different seasons?
    a. Intercropping
    b. Crop rotation
    c. Monoculture
    d. Agroforestry
  18. Which pest control method involves using natural predators?
    a. Biological control
    b. Mechanical control
    c. Chemical control
    d. Cultural control
  19. What type of irrigation system uses tubes to deliver water directly to plant roots?
    a. Flood irrigation
    b. Sprinkler irrigation
    c. Drip irrigation
    d. Surface irrigation
  20. What is the primary benefit of using green manure?
    a. To increase soil acidity
    b. To provide organic matter
    c. To control pests
    d. To improve water retention
  21. Which type of soil is most suitable for root crops?
    a. Loamy soil
    b. Sandy soil
    c. Clay soil
    d. Silty soil
  22. What is the practice of planting trees alongside crops called?
    a. Agroforestry
    b. Mixed farming
    c. Polyculture
    d. Silviculture
  23. Which of the following is a disadvantage of using chemical fertilizers?
    a. Long-term soil improvement
    b. Risk of soil contamination
    c. Enhanced microbial activity
    d. Reduced soil erosion
  24. Which of the following is not a function of soil?
    a. Providing nutrients
    b. Storing water
    c. Producing energy
    d. Supporting plant roots
  25. What is the main goal of sustainable agriculture?
    a. To maximize profit
    b. To ensure long-term soil health
    c. To use more chemical inputs
    d. To increase land use
  26. Which soil component helps with drainage and aeration?
    a. Sand
    b. Clay
    c. Silt
    d. Organic matter
  27. Which of the following methods helps to reduce soil salinity?
    a. Flooding
    b. Soil amendment
    c. Mulching
    d. Crop rotation
  28. What is the term for the practice of growing crops with minimal disturbance to the soil?
    a. Conventional tillage
    b. No-till farming
    c. Intensive farming
    d. Deep plowing
  29. Which of the following is a benefit of crop diversification?
    a. Increased pest damage
    b. Enhanced soil fertility
    c. Reduced yield stability
    d. Increased soil erosion
  30. What is the main purpose of soil testing?
    a. To determine soil texture
    b. To identify soil contaminants
    c. To assess soil fertility
    d. To measure soil temperature
  31. Which of the following is a major cause of soil degradation?
    a. Organic farming
    b. Soil conservation
    c. Overgrazing
    d. Cover cropping
  32. What is the function of earthworms in the soil?
    a. Increasing soil acidity
    b. Improving soil structure
    c. Controlling pests
    d. Enhancing soil salinity
  33. What does the term ‘pH’ refer to in soil science?
    a. Soil texture
    b. Soil temperature
    c. Soil acidity or alkalinity
    d. Soil moisture
  34. Which of the following is a method of controlling weeds?
    a. Crop rotation
    b. Cover cropping
    c. Mulching
    d. All of the above
  35. What is the primary benefit of using organic compost?
    a. To increase soil pH
    b. To provide plant nutrients
    c. To repel insects
    d. To improve drainage
  36. What is the role of potassium in plants?
    a. Root development
    b. Leaf growth
    c. Flowering and fruiting
    d. Disease resistance
  37. Which practice helps in conserving soil moisture?
    a. Deep plowing
    b. Surface mulching
    c. Frequent irrigation
    d. High fertilization
  38. What does the term ‘agroecosystem’ refer to?
    a. A natural ecosystem
    b. A human-made farming system
    c. A type of irrigation system
    d. A type of soil
  39. What is the effect of soil compaction on plant growth?
    a. Improved root penetration
    b. Increased nutrient availability
    c. Reduced water infiltration
    d. Enhanced microbial activity
  40. Which of the following is a source of organic manure?
    a. Chemical fertilizers
    b. Synthetic pesticides
    c. Animal dung
    d. Soil amendments
  41. What is the purpose of using cover crops?
    a. To increase soil erosion
    b. To enhance soil fertility
    c. To reduce soil moisture
    d. To decrease crop yield
  42. Which practice helps to prevent soil erosion on steep slopes?
    a. Contour plowing
    b. Flat plowing
    c. Overgrazing
    d. Monoculture
  43. What is the term for the process of breaking down plant material into humus?
    a. Composting
    b. Irrigation
    c. Fertilization
    d. Cultivation
  44. Which of the following is not a method of pest control?
    a. Biological control
    b. Mechanical control
    c. Organic farming
    d. Chemical control
  45. What is the purpose of soil drainage systems?
    a. To increase soil moisture
    b. To prevent waterlogging
    c. To enhance soil acidity
    d. To improve soil texture
  46. Which of the following practices can help in soil fertility management?
    a. Continuous cropping
    b. Monoculture
    c. Crop rotation
    d. Overgrazing
  47. What is the role of calcium in plants?
    a. Leaf development
    b. Root growth
    c. Cell wall strength
    d. Flowering
  48. What type of soil is best for growing vegetables?
    a. Sandy soil
    b. Silty soil
    c. Clay soil
    d. Loamy soil
  49. What is the main advantage of using drip irrigation?
    a. Uniform water distribution
    b. High water wastage
    c. Increased evaporation
    d. High cost
  50. Which of the following is a practice of organic farming?
    a. Use of synthetic fertilizers
    b. Use of chemical pesticides
    c. Use of green manure
    d. Use of genetically modified seeds
  51. What does the term ‘soil texture’ refer to?
    a. Soil color
    b. Soil structure
    c. Proportions of sand, silt, and clay
    d. Soil moisture content
  52. What is the purpose of using windbreaks in agriculture?
    a. To increase wind speed
    b. To prevent soil erosion
    c. To improve crop yield
    d. To enhance soil salinity
  53. Which of the following is a benefit of using synthetic pesticides?
    a. Environmental sustainability
    b. Reduced crop yield
    c. Effective pest control
    d. Soil health improvement
  54. What is the function of magnesium in plants?
    a. Photosynthesis
    b. Root growth
    c. Disease resistance
    d. Flowering
  55. Which of the following is a method of controlling soil acidity?
    a. Adding lime
    b. Adding compost
    c. Using pesticides
    d. Increasing irrigation
  56. What is the main purpose of crop breeding?
    a. To increase soil fertility
    b. To improve crop yield and resistance
    c. To reduce soil erosion
    d. To enhance water retention
  57. Which practice helps in reducing soil erosion?
    a. Deep plowing
    b. Cover cropping
    c. Overgrazing
    d. Continuous cropping
  58. What is the main function of nitrogen in plant growth?
    a. Root development
    b. Leaf and stem growth
    c. Flowering
    d. Fruit development
  59. What is the purpose of soil conservation practices?
    a. To increase soil erosion
    b. To maintain soil health and productivity
    c. To reduce crop yield
    d. To deplete soil nutrients
  60. What does the term ‘soil fertility’ refer to?
    a. Soil texture
    b. Soil moisture
    c. Soil nutrient content
    d. Soil color

Section B: Short Answer Questions

Answer the following questions in brief.

  1. Define soil erosion and mention two causes.
  2. List three methods of controlling soil erosion.
  3. Explain the term ‘crop rotation’ and its benefits.
  4. What are the advantages of using organic manure over chemical fertilizers?
  5. Describe the importance of pest control in agriculture.
  6. Name three common types of soil and their characteristics.
  7. What is the role of nitrogen in plant growth?
  8. Explain how terracing helps in soil conservation.
  9. What is the purpose of weeding in crop cultivation?
  10. Differentiate between irrigation and drainage.
  11. What are the benefits of using green manure in agriculture?
  12. Describe the role of earthworms in soil health.
  13. What is the impact of overgrazing on soil quality?
  14. Explain the process of composting and its benefits.
  15. What is the significance of soil pH for plant growth?
  16. How does cover cropping contribute to soil fertility?
  17. Define agroforestry and its advantages in agriculture.
  18. Describe the method of contour plowing and its benefits.
  19. What are the effects of soil salinity on crop production?
  20. Explain the importance of soil testing for farmers.

Section C: Essay Questions

Answer any two of the following questions in detail.

  1. Discuss the impact of soil fertility on agricultural productivity and describe ways to improve soil fertility.
  2. Explain the different types of irrigation systems used in agriculture and their advantages and disadvantages.
  3. Analyze the role of government policies in promoting sustainable agricultural practices in your country.
  4. Describe the effects of soil erosion on agricultural land and discuss methods to prevent it.
  5. Discuss the importance of crop rotation in maintaining soil health and increasing crop yield.
  6. Explain the concept of integrated pest management (IPM) and its benefits in agriculture.
  7. Analyze the benefits and challenges of organic farming compared to conventional farming methods.
  8. Describe the role of cover crops in soil conservation and fertility management.
  9. Explain the impact of climate change on agriculture and discuss adaptation strategies.
  10. Discuss the importance of water conservation practices in agriculture and their effect on crop production.

Good luck with your examination!

 

 

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.

SUBJECT: AGRICULTURAL SCIENCE               CLASS: JSS  3            TIME: 2 HRS

                       

  1. The science that deals with the study of crops and field management is called: 

(a) agronomy (b) botany (c) entomology (d) horticulture 

(e) Pathology

  1. Which of the following is a dicotyledonous plant? (a) Cassava (b) pineapple (c) rice 

(d) sisal (e) sugarcane

  1. The most limiting factor in agricultural production in Nigeria is. (a) Capital (b) Farm inputs (c) farm machinery (d) labour (e) land
  2. Mechanized land clearing is done by (a) bush burning (b) caterpillar 

(c) Cutlass (d) grader (e) plough

  1. An advantage of commercial agriculture is that it (a) requires small space 

(b) Requires skilled labour (c) produces high returns (d) involves low capital 

(e) All of the above 

  1. The green revolution is an example of government agricultural (a) extension (b) policy (c) programme (d) regulation (e) research
  2. The Nigerian land use Act of 1978 puts the right ownership of land on the 

(a) Governor of a state (b) head of the family (c) head of the society 

(d) President of the farmers co-operative (e) traditional rulers 

  1. Which of the following crops produces latex? (a) Mango (b) Rubber (c) Citrus (d) Cassava (e) Sisal
  2. The main reason for establishing game reserves is to prevent wild-life from (a) being poached (b) being hunted periodically (c) attacking tourists 

(d) Becoming extinct (e) none of the above

  1. The biotic factor which derives much benefit from livestock and reduces productivity is a (a) predator (b) parasite (c) pathogen (d) microbe 

(e) Temperature

  1. Which of the following groups of crops grow best in the savanna Zone of West Africa (a) cotton, millet and groundnut (b) cocoa, kola and oilpalm (c) cotton, cocoa and guinea corn (d) banana, rubber and millet (e) shea butter, cocoa, millet
  2. The different between subsidy and loan is that subsidy (a) is a short term credit while loan is a long term credit (b) is a medium term credit while loan is a short term credit (c) requires a collateral while a loan does not (d) is not refundable (e) all of the above
  3. Which of the following groups comprises oily crops? (a) Groundnut, jute and cotton (b) Melon, coconut and sisalhemp    (c) Coconut, cotton and sunflower 

(d) Sunflower, rubber and jute (e) Oilpalm, sunflower and millet

  1. Pests of crops that feed by piercing and sucking include the following EXCEPT: (a) stem borers (b) aphids (c) cocoa mirids (d) cotton stainer (e) cassava mealy bug
  2. Which of these best describes land in agriculture? (a) Free gift of nature 

(b) Increase value with increase in population (c) permanently in place 

(d) Solid part of the earth’s crust (e) very important factor of production

  1. Which of the following is not a role of government in agricultural production? (a) provision of labour (b) provision of subsidies (c) building of storage facilities (d) provision of loans and credits (e) provision of loans
  2. Peasant farmers sell almost all their produce immediately after harvesting because (a) stored produce lose their quality (b) stored produce would be lost to pests (c) the prices offered for stored produce are low (d) the produce are perishable (e) there are inadequate storage facilities
  3. Which of the following is NOT an agricultural development programme in Nigeria? (a) Agricultural Development Project (b) Green Revolution 

(c) National Development for All (d) Operation Feed the Nation (e) River Basin Development Authority

  1. The major aim of government’s agricultural programmes in Nigeria include the following EXCEPT that it (a) encourages cash crop production (b) ensures quality control and standards (c) fixes prices of agricultural commodities 

(d) Increases food production (e) increases the gross domestic product

  1. Fibre can be obtained from the following EXCEPT (a) cotton (b) jute (c) kapok (d) kenaf (e) sheabutter
  2. Wastage of agricultural products during harvesting period is due to inadequate (a) agricultural education and extension (b) agricultural financing (c) implementation of government policies on agriculture (d) storage and processing facilities (e) transport facilities
  3. Which of the following systems of farming requires an intensive use of fertilizers? (a) Bush burning (b) Crop rotation (c) Mixed farming 

(d) Monocropping (e) Shifting cultivation

  1. The provision of farm inputs to farmers by the government can best be described as (a) capital (b) credit (c) gift (d) loan (e) subsidy
  2. Most agricultural policies do NOT benefit rural communities because (a) oof lack of foreign exchange to import the required expertise (b) of poor implementation (c) there are inadequate supply of electricity (d) they aim at benefiting the national economy (e) they are formulated by non-practising farmers 
  3. The limiting climatic factor to agricultural production in Nigeria is 

(a) Humidity (b) rainfall distribution (c) soil type (d) temperature (e) wind

  1. The nutrient used mainly for energy production is (a) carbohydrate 

(b) Carotene (c) mineral (d) protein (e) vitamin

  1. Which of these crops is wind pollinated? (a) Cassava (b) Cocoa (c) Coffee 

(d) Maize (e) Rubber

  1. Which of the following crops is a raw material for the production of chocolate? (a) Avocado pear (b) Banana (c) Cocoa (d) Coffee (e) Kolanut
  2. Which of the following is a day-neutral crop? (a) Cocoa (b) Coffee (c) Maize 

(d) Millet (e) Tomato

  1. The following are fib e crops EXCEPT (a) cotton (b) hemp (c) jute (d) rubber (e) sisal
  2. Which of the following is NOT a solution to problems of local farmers? 

(a) Rehabilitation of  bad roads (b) Subsidizing crude implements (c) Practising improved farming methods (d) Providing credit facilities by governments

  1. The main motive of the farmer in commercial agriculture is to (a) maximize profit (b) produce rare crop varieties (c) produce for family consumption 

(d) Increase risk

  1. The land tenure system which leads to land fragmentation is (a) freehold 

(b) Inheritance (c) pledging (d) gift

  1. Subsistence farming is parctised in West Africa on land mostly acquired through (a) pledge (b) donation (c) inheritance (d) purchase
  2. The roles of government in the development of agriculture in Nigeria include the following EXCEPT (a) reorganization of the rural communities 

(b) Provision of extension service (c) provision of feeder roads 

(d) Rehabilitation of feeder roads

  1. The main reason for governments enforcement of efficient quarantine laws is to (a) check the destruction of unproductive animals (b) attract school leavers into agriculture (c) give grants to researchers for agricultural problems 

(d) Check and control the inflow of animals and crops

  1. The most important objectives of the farm settlement scheme is to (a) supply farm tools to farmers (b) provide subsidy for small scale farmers 

(c) Demonstrate that farming can be profitable business (d) mechanise agriculture

  1. In which of the following is land used for agricultural purposes? (a) Forage production (b) Recreation (c) Mining (d) Road construction
  2. Which of the following climatic factor is primarily necessary for photosynthesis in crop plants? (a) Wind (b) Light (c) Rainfall (d) Temperature 
  3. An example of a biotic factor affecting crop or animal production is 

(a) Predator (b) soil texture (c) soil structure (d) light

THEORY

INSTRUCTION: ANSWER ONLY THREE QUESTIONS IN THIS SECTION

1a.    Define Agricultural Science

  1. Enumerate five important of Agriculture
  2. State and explain Relationship between Industry and Agriculture

2a.    Define the term Land Tenure System

  1. Discuss briefly Land Use Decree
  2. In a tabular form, state six differences between subsistence and commercial agric

3a.    State five agricultural programs initiated in Nigeria

  1. Outline five ways by which non-government al organizations have contributed to the development of agriculture in Nigeria 
  2. Suggest two possible solutions to the problem of poor marketing channel 

4a.    Define Land 

  1. Enumerate five uses of Land for agricultural purpose

c    State five factors affecting Land availability

5a.    State five roles of science and technology in agriculture provision

  1. Mention one industry that uses each of the following agricultural produce as raw material

i    Cocoa    ii. Rubber    iii. Cotton    iv. Groundnut    v. Cassava

  1. Suggest two possible solutions to the problem of inadequate finance

 

 

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.

SUBJECT: AGRICULTURAL SCIENCE               CLASS: SS  2            TIME: 2 HRS

  1. The removal of excess water from the sub-soil is known as: (a) irrigation (b) drainage (c) evaporation (d) dehydration (e) hydration
  2. The best source of farm power for agricultural production is (a) human power (b) animal power (c) mechanical power (d) solar power (e) electrical power
  3. The greatest disadvantage of using a bulldozer in land clearing is that it (a) removes the fertile top soil along with the vegetation (b) makes the soil loose its texture (c) allows the fast growth of weeds after clearing (d) increases the incidence of pests (e) all of the above
  4. Which of the following equipment is not used in farm surveying? (a) Gunters chain 

(b) Measuring tape (c) Ranging pole (d) Pick axe (e) Theodolite

  1. Farm surveying is important because it determines (a) soil fertility (b) size of farm land 

(c) Yield of crops (d) types of implements to use (e) water level of the soil

  1. If a crop is planted at a spacing of 100cm × 50cm, calculate the plant population required for a hectare of farm land. (a) 200 (b) 5, 000 (c) 20, 000 (d) 15, 200
  2. A disadvantage of vegetatively propagated crops is that they (a) do not mature on time 

(b) are less resistant (c) do not withstand harsh conditions (d) lodges very readily (e) B and D

  1. The signs of heat in animals include the following EXCEPT (a) red and swollen vulva 

(b) Restlessness and nervousness (c) attempting to mount other animals (d) increased appetite (e) mucous discharge from the vulva

  1. Cows should not be allowed to eat plenty of young fresh pasture because they will 

(a) develop anthrax (b) develop bloat (c) refuse to eat concentrate (d) become infested with worms (e) A and B

  1. The recommended spacing for oil palm cultivation is (a) 9m triangular (b) 9m × 9m (c) 12m × 12m (d) 12m triangular (e) A and B
  2. The average gestation period of a sow is ______ days (a) 32 (b) 114 (c) 150 (d) 153 (e) 290
  3. Whish of these is a secondary tillage implement? (a) Chisel plough (b) Disc plough 

(c) Mould board plough (e) Planters 

  1. The following are examples of field machine EXPECT: (a) bulldozer (b) combined harvester (c) milking machine (d) planter (e) sprayer
  2. High temperature and pressure convert sand stone to (a) basalt (b) quartzile (c) coal 

(d) Limestone (e) biotite

  1. Streak diseases of maize is caused by (a) virus (b) nematode (c) fungus (d) bacterium 

(e) protozoan

  1. In the carbon cycle, atmospheric carbon (iv) oxide is replenished by (a) respiration 

(b) transpiration (c) lightning (d) dentrification (e) A and C

  1. The solidification of rock materials from a molten mass results in the formation of (a) coal (b) gneiss (c) granite (d) marble (e) shale
  2. The following are agents of rock weathering in the tropics EXCEPT (a) carbonation 

(b) glaciations (c) hydration (d) oxidation (e) temperature change

  1. Which of the following statements describes soil most appropriately? It is (a) composed of fine stones and silt (b) the major part of the ground (c) the softest part of the earth (d) the thin layer of the earth on which plants grow (e) the topmost cover of the earth’s surface
  2. The acidity of a soil can be corrected by (a) conservation (b) drainage (c) flocculation 

(d) Irrigation (e) liming

  1. Agricultural soils which are light and allow moisture to pass through very easily are generally (a) clayey (b) loamy (c) muddy (d) sandy (e) silt
  2. Microscopic worms living mainly in the soil are (a) algae (b) bacteria (c) fungi 

(d) Nematodes (e) viruses

  1. Which of the following is NOT a macro-nutrient? (a) Calcium (b) Iron (c) Magnesium 

(d) Phosphorus (e) Potassium

  1. Nitrogen is absorbed by plants in the form of (a) ammonia (b) nitrates (c) nitrites 

(d) Nitrogen dioxide (e) nitrogen oxide

  1. The gradual washing away of small particles of the surface soil is called (a) denudation 

(b) Drainage (c) erosion (d) intrusion (e) inundation

  1. Which of the following is an advantage of irrigation? (a) Accumulates salt (b) Aids weed dispersal (c) Breeds vectors and diseases (d) Helps to build up pest (e) Stabilizes farm economy
  2. The removal of excess water from the soil surface is referred to as (a) drainage 

(b) Evapotranspiration (c) hydration (d) irrigation (e) transpiration

  1. The plough is used on the farm for (a) stumping and removing weeds (b) scraping and throwing up the soil (c) scraping and lumping soil particles together (d) harvesting forage (e) digging up and turning over the soil 
  2. Which of the following farm tools can best be used to harvest groundnuts? (a) Cutlass 

(b) Go-to-hell (c) Hoe (d) Pick axe (e) Spade

  1. The survey equipment used in determining the horizontal angles between a references medium and a desirable point is the (a) cross staff (b) gunter’s chain (c) measuring tape 

(d) Ranging pole (e) theodolite

  1. Farm structures help the farmer to achieve the following aims EXCEPT (a) improving farm management (b) increasing farm production (c) increasing the work of farm attendants 

(d) Maximizing farm profit (e) reducing wastage of farm produce

  1. Which of the following is NOT a permanent crop? (a) Cocoa (b) Kolanut (c) Mango (d) Oil palm (e) Pineapple
  2. The term ‘fallowing’ in agriculture means (a) allowing cattle to graze among crops 

(b) Cropping the land with cash crops only (c) leaving the land without a crop throughout the cropping season (d) occupying all the land with crops (e) rotation of crops in a definite order

  1. Which of the following farm operations does NOT use electricity as a source of power? 

(a) Grinding (b) Harvesting (c) Milking (d) Miling (e) Shelling

  1. Rocks formed from molten magma are known as (a) igneous (b) metamorphic 

(c) sandstone (d) schist (e) sedimentary

  1. Which of the following soil types contains particles of diameter size between 0.02mm-2.0mm? (a) Clay (b) Gravel (c) Sand (d) silt (e) stone
  2. Which of the following is the best agent of organic matter decomposition in the process of soil formation? (a) Algae (b) Bacteria (c) Fungi (d) Liverworts (e) Mosses
  3. Nitrogen is supplied by rhizobium to leguminous plants by (a) changing mineral salts to ammonia (b) decomposing plant remains (c) fixing atmospheric nitrogen (d) incorporating urea into the soil (e) increasing soil pH value
  4. Which of the following is NOT an importance of irrigation? (a) Cools the soil and the atmosphere (b) Helps to soften the soil (c) Makes early planting possible (d) One crop can be cultivated twice in a year (e) Spreads diseases and pests
  5. The following can be used to drain soil EXCEPT (a) channels (b) ditches (c) gutters 

(d) porous pipes (e) sprinklers

  1. Which of the following is NOT associated with surface irrigation? (a) Check flooding 

(b) Mole drain (c) Natural flooding (d) Sprinklers irrigation (e) Tile

  1. In underground drainage (a) ditches are constructed to remove excess water (b) ditches are dug from a source of water to the farmland (c) furrows in which water collects are made (d) water is pumped through underground perforated pipes to crops (e) Water seeps into the tiles to reach an outlet where water is disposed
  2. Which of these crops is best propagated by budding? (a) Citrus (b) Ginger (c) Pineapple 

(d) Sugar cane (e) Yam

  1. The caustic organism of maize rust is (a) bacterium (b) fungus (c) nematode (d) protozoan (e) virus
  2. The gestation period of a cow is approximately (a) 483days (b) 423days (c) 383days 

(d) 283days (e) 183days

  1. Which of the following confers natural immunity on the young animals? (a) Administration of antibiotics (b) Administration of drugs (c) Feeding with colostrums (d) Sanitation of the animal’s house (e) Vaccination of the young
  2. Which of the following farm animal’s skin can be used for leather production? (a) Cattle (b) Duck (c) Fowl (d) Pig (e) Sheep
  3. Which of the following factors is considered the least important for the successful incubation of eggs? (a) Light (b) Relative humidity (c) Temperature (d) Turning of eggs 

(e) Ventilation

  1. When a cockerel is castrated it is called (a) broiler (b) capon (c) cock (d) layer (e) pullet
  2. Which of the following is a micro element? (a) Calcium (b) Sulphur (c) Phosphorus 

(d) Manganese

THEORY

INSTRUCTION: ANSWER ONLY THREE QUESTIONS IN THIS SECTION

1a.    Define Farm Surveying       b.    Describe the following surveying equipment

i    Ranging pole                    ii    Gunter’s chain

iii    Prismatic compass              iv    Theodolite

  1. Outline six factors to be considered in selecting a site for a farmstead

2a.    Define Soil                                b.    List four components of soil 

  1. State five characteristics of each of these (a) Sandy (b) Clay (c) Loamy

3a.    State four tractor-couples implements and discuss the uses of two of the implements

  1. Write short notes on each of the following (a) Tractors, (b) Incubators (c) Sprayers
  2. Define Irrigation

4a.    Define Nitrogen Cycle                       b.    Draw the Nitrogen Cycle

  1. Explain three functions of Nitrogen

5a.    State five macro element and five micro element 

  1. List five environmental factors affecting agricultural production in Nigeria
  2. Explain five ways in which rainfall affects agric production

 

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.

SUBJECT: AGRICULTURAL SCIENCE               CLASS: SS  3            TIME: 2 HRS

  1. Which of the following is NOT a feature of subsistence Agriculture? (a) Few farmers usually practice it (b) It is practiced where capital is not readily available (c) The farmer does not normally plant cash crops (d) The farmer grows arable crops to feed self and family (e) There is no surplus produce for sale in the market 
  2. The Green revolution is an example f government agricultural (a) extension (b) policy (c) programme (d) regulation (e) research
  3. The communal land tenure is a system in which (a) a farmer uses all the land in a community to secure loan (b) members of a community use the same land when needed (c) members of the community are assigned permanent titles to the land (d) the head of a community sells or uses the land as desired (e) the land belongs to the head of the community 
  4. When a piece of land is leased to a farmer, the land is said to be (a) allocated on rent (b) given as a gift (c) given as subsidy (d) inherited (e) purchased on loan 
  5. The Nigerian Land Use Act of 1978 puts the right ownership of land on the (a) governor of a state (b) head of the family (c) head of the society (d) president of the farmers’ cooperative (e) traditional rulers

Use the diagram to answer questions 6 to 8

                IV              V

 

 

          III                          II                      I

 

  1. On which of the labelled parts can more weight be added to increase soil penetration by the implement? (a) I (b) II (c) III (d) IV (e) V
  2. The part that is kept in touch with the rear end during operation is labelled (a) I (b) II (c) III (d) IV (e) V
  3. Which of the labelled structures carries out the function of the share, coulter and mould board in a mould board plough? (a) I (b) II (c) III (d) IV (e) V
  4. 4FeO + O2       2Fe2O3  

The above equation is chemically called (a) carbonation (b) hydration (c) hydrolysis (d) reduction (e) oxidation

  1. Fe2O3 + 3H2 O        Fe2 O3.3H2 O

    In this chemical reaction, haematite is hydrated into (a) dolomite (b) iron (iv) oxide (c) lime stone (d) limonite (e) mica

  1. Which of these is a secondary rock mineral? (a) Biotite (b) Orthoclase (c) Pyroxene (d) Shale (e) Sodium oxide
  2. What is the size fraction of coarse sand? (a) Less than 0.002mm (b) 0.002-0.02mm (c) 0.02-0.2mm (d) 0.2mm (e) Greater than 2.0mm
  3. The soil structure in which aggregates are arranged like a pillar is ____ structure (a) blocky (b) crumby (c) granular (d) platy (e) prismatic
  4. The sequential arrangement f various sizes and groups of individual soil grains in a mass of soil from top to bottom is (a) clay, silt,, fine sand, coarse sand, fine gravel, gravel and stone (b) fine gravel, coarse sand, fine sand, silt, clay, stone and gravel (c) fine sand, silt, clay, gravel, coarse sand, fine gravel, and stone (d) silt, clay, stone, coarse sand, fine sand, gravel and fine gravel (e) stone, gravel, fine gravel, coarse sand, fine sand, silt and clay
  5. Which of the following is NOT correct about forestry land? (a) Disputed land (b) Established in areas of sparse population (c) Established where the rate of erosion is low (d) May be plain and hilly (e) Must not be too fertile
  6. All these are importance of wild life EXCEPT the provision of (a) food (b) hides and skin (c) revenue (d) shelter (e) tourist attraction
  7. Silviculture means (a) art of planting crops and raising of flowers (b) art of planting, tending and managing forests (c) community of trees, associated plants and animals (d) replanting of a forest land after felling (e) scientific management of economic tree plants 
  8. Which of these trees can be regarded as tropical rainforest specie? (a) Cassia (b) Date palm (c) Ebony (d) Neem (e) Shear butter
  9. Deforestation increases the following EXCEPT (a) desert encroachment (b) leaching of plant nutrients (c) loss of organic matter (d) moisture retention (e) soil erosion 
  10. To ensure continuous supply of forest products, the following forest management techniques are important EXCEPT (a) afforestation (b) deforestation (c) fallowing (d) regeneration (e) taungya system
  11. Which of these is NOT a factor affecting land availability and use? (a) Climate (b) Cultural practices (c) Game reerve (d) Land tenure system (e) Soil type
  12. A farm-stead refers to (a) a home and production centre (b) a storage centre for farm products (c) the design and construction of farm (e) the relative size and plan of farm
  13. Which of these factors greatly determines the type of vegetation prevalent in Nigeria? (a) Rainfall (b) Sunshine (c) Temperature (d) Topography (e) Wind 
  14. The Nigeria vegetation belts can be classified into ____ and ___ zones (a) forest, savannah (b) guinea savannah, sudan savannah (c) mangrove swamp, fresh water swamp (d) rainforest, mangrove forest (e) sahel savannah, sudan savannah
  15. Which of these statements is NOT true about the influence of forests on environment? (a) Cause local rainfall (b) Expose the soil to erosion by rain drops (c) Increase soil fertility (d) Purify the air (e) Reduce evaporation of soil water
  16. The taungya farming system involves combining (a) arable cropping with forest management (b) crop production with animal rearing (c) fish management with forest management (d) forest management and animal rearing (e) livestock farming with forest management
  17. The system of combining pasture with crop production in alternation is called (a) intercropping (b) interplanting (c) ley farming (d) mixed farming (e) pastoral farming
  18. The system of planting of a long-season crop first, then followed by a short season crop on the same farm but the short season crop is harvested first is called (a) intercropping (b) interplanting (c) mixed cropping (d) multiple cropping (e) rotational cropping
  19. The chemical used to control damping –off is (a) acaricide (b) fungiside (c) insecticide (d) nematicide (e) rodenticide
  20. Stemborer and leaf hopper are pests of (a) cowpea (b) groundnut (c) maize (d) rubber (e) yam
  21. Cercospera leaf spot is a disease of (a) citrus (b) cocoa (c) groundnuts (d) maize (e) yam
  22. Which of the following is NOT a symptom of rosette disease? (a) Internode becomes shortened (b) Leaves curl (c) Leaves turn yellow (d) Low yield (e) Pod becomes toxic
  23. Fusarium oxysporium causes ______ disease. (a) Bacterial blight (b) bacterial wilt (c) fusarium blight (d) root knot (e) root rot
  24. The brown spots symptom commonly associated with fungal diseases of crops can best be observed on (a) flowers (b) fruits (c) internodes (d) leaves (e) stems
  25. The infectious viral disease of poultry is called (a) aspergilosis (b) coccidiosis (c) fowl cholera (d) gunboro (e) Newcastle disease
  26. A maintenance operation necessary for availability of fish in a fish pond is (a) construction of spill way (b) deweeding (c) impoundment of pond (d) pond inoculation (e) stocking of pond
  27. A young rabbit is called (a) buck (b) dam (c) doe (d) kitten (e) sire

38    The most glandular portion of the ruminant stomach where enzymatic digestion takes place is the (a) abomasums (b) oesophagus (c) omasum (d) rectum (e) reticulum

  1. In the ruminant stomach, the portion where most of the microbial digestion takes place is the (a) abomasums (b) oesophagus (c) omasum (d) reticulum (e) rumen
  2. The hormone responsible for the development of secondary sexual characteristics and libido in male animal is (a) oestrogen (b) oxytocin (c) progesterone (d) relaxing (e) testosterone
  3. A mature female pig that has produced offspring at least once is called (a) doe (b) ewe (c) gilt (d) lamb (e) mare
  4. The process of choosing animals so that they can be used to produce future offspring is termed (a) culling (b) dissemination (c) identification (d) introduction (e) selection
  5. A castrated male sheep is known as (a) castrate (b) lamb (c) ram (d) steer (e) wether
  6. The following are examples of bony fishes EXCEPT (a) carp (b) herring (c) perches (d) salmon (e) shark
  7. Which of these is NOT a method of harvesting fish? (a) Draining of ponds (b) Drenching (c) Electrofishing (d) Impalling (e) Trapping 
  8. Which of the following is NOT a requirement for fish pond water? (a) Colourless appearance (b) Hot temperature (c) pH of 7 9 (d) Pollution free (e) slightly alkaline
  9. Mating of animals with close genetic relationship is termed (a) crossbreeding (b) inbreeding (c) line breeding (d) out breeding  (e) out crossimh
  10. The gestation period of a sow is _________ days (a) 32 (b) 114 (c) 150 (d) 153 (e) 290
  11. The common space into which faecal and unrinogenital tubes open in poultry birds is called (a) anus (b) cloaca (c) infundibulum (d) return (e) vagina
  12. Chalaza is formed in the (a) infundibulum (b) isthmus (c) magnum (d) ovary (e) vagina
  13. Vitamin E deficiency may lead to (a) dwarfism (b) goiter (c) infertility (d) perosis

 (e) rickets

  1. Which of the following is not a digestive enzymes? (a) Lactase (b) Maltase (c) Peptidase 

(d) prolactin (e) sucrose

  1. A major advantage of agricultural loan is that (a) capital is made available to farmers 

(b) it enhances the social status of the farmers (c) it is easy to obtain (d) it is interest free  (e) repayment takes many years 

  1. Which of the following is not a reason for keeping livestock records? They

 (a) are used for determing the number of consumers

 (b) are used for determing the profitability of the enterprise

 (c) are used to determine when to apply vaccines

 (d) can be used for rational agricultural plans  

(e) provide information which can be used to correct management lapses

  1. The following are functions of a farm manager except (a) controlling farm workers  

(b) co ordinating the farm activities (c) organizing sales of farm products 

(d) planning farm programme of work (e) planting of crops and vegetable

  1. When granting loans to farmers, the credit officer should consider mostly the ___________ of the farmer (a) age (b) consumption needs (c) experience (d) family size

 (e) production and essential needs

  1. The different between total assets and total liabilities of a farm enterprises within a specified period before taxation is known as (a) current asset (b) gross profit (c) liability (d) net profit (e) networth 
  2. Which of the following is the correct step in extension teaching? (a) attention         interest       Desire           conviction        action        satisfaction (b) attention         interest         conviction           desire           action          satisfaction (c) interest          attention          desire     Conviction          action        satisfaction (d) desire         interest        attention        conviction       Action            satisfaction ( e) conviction        desire          interest          attention         action     Satisfation 
  3. Agricultural extension programme would succeed in disseminating new ideas to farmers except if only the programme (a) involve the support of highly trained extension specialists (b) involves the people for which the programme is planned (c) is based on planned agricultural programmes (d) is based on research tested on local condition (e) is not kept flexible to contemporary technology
  4. The fundamental objective of agricultural extension is to improve the efficiency of farmers by (a) enforcing modern techniques of farming on them (b) giving them formal education in farming (c) giving them loan every year (d) persuading them to apply improved methods in farming (e) training them to become extension agents 

   

    SECTION B:      THEORY

INSTRUCTIONS: ANSWER ONLY THREE QUESTIONS IN THIS SECTION

1a.    List six advantages of cooperative societies 

  1. Enumerate four other sources of agricultural financing apart from banks  and cooperative societies
  2. List four factors of agricultural production

2a.    What is “farm subsidy”?

  1. Enumerate six objectives of  agricultural extension service
  2. List five agencies involved in agricultural extension programmes in Nigeria 
  3. Name five factors affecting the adoption of new farming ideas and techniques 

3a.    Define the term land tenure system and give four examples 

  1. Discuss  briefly land use decree

ii    State two (2) advantages and two (2) disadvantages of the decree 

  1. Explain briefly four (4) of the following terms in animal production

a    oestrous cycle         b    heat period            c    gestation period

d    parturition             e    colostrums 

 

 

  1. Copy and complete this table:

   

S/NName of diseaseCrop affectedPathogenSymptomsPrevention / control
1Cassava mosaic
2Black pod
3Streak
4Rosette disease

6a.    What is crop improvement?

i    State six advantages of improved crop varieties over unimproved ones 

 

 

 

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.

SUBJECT: AGRICULTURAL SCIENCE               CLASS: JSS  3            TIME: 2 HRS

SECTION A- OBJECTIVES

  1. Which of these will not affect the buying of rice? (a) personal (b) religion (c) social (d) cultural
  2. _____ is a disease causing organism (a) pathogen (b) vector (c) endo-parasie (d) tick
  3. The aim of advertisement is to ______ (a) increase the cost of production (b) create confusion in the mind of consumer (c) lead to the loss of company product (d) increase the sales of goods
  4. A farm structure where animals are slaughtered and butchered is known as ___ (a) abattoir (b) slaughter slap (c) raised platform (d) animal house
  5. The price of agricultural products will be affected by the following EXCEPT ____ (a) transportation cost (b) seasonality of product (c) advertisement of product (d) perish ability of the product
  6. When products are in direct contact with packaging, it is a _______ packaging. (a) primary (b) secondary (c) tertiary (d) universal
  7. All these are agricultural products EXCEPT ____ (a) Kenaf (b) cotton (c) rubber (d) plastic
  8. The removal of surplus seedling from area sown with seed is ____ (a) mulching (b) supplying (c) thinning (d) harvesting
  9. The reproductive part of a plant is ____ (a) leaf (b) seed (c) stem (c) flower
  10. The following are farm structures EXCEPT _____ (a) silo (b) crib (c) rhombus (d) weigh bridge
  11. Which of these animals serve as means of transportation? (a) pig (b) goat (c) donkey (d) sheep
  12. The removal of surplus seedling from area sown with seed is _____ (a) mulching (b) supplying (c) thinning (d) harvesting
  13. It has parallel vein leaf, fibrous root; these are the characteristics of ____ plant. (a) Monocotyledon (c) cocoa (d) orange
  14. The reproductive part of a plant is ____ (a) leaf (b) seed (c) stem (d) flower
  15. The following are farm structures EXCEPT _____ (a) silo (b) crib (c) rhombus (d) weigh
  16. Monocotyledonous crops have the following characteristics EXCEPT _________ (a) one seed leaf (b) fibrous root (c) tap root (d) narrow leaf
  17. ____ is the process by which green plants manufacture their food (a0 pollination (b) photosynthesis (c) ovulation (d) respiration
  18. Which of the following farm produce is used in the clothing industry? (a) Kenaf (b) cotton (c) sisals (d) jute
  19. Stomachs of ruminant animals are divided into ___ chambers (a) 5 (b) 4 (c) 3 (d) 2
  20. The process of making people aware of the available agricultural products through radio, television and newspaper is ___________ (a) broadcasting (b) announcement (c) advertisement (d) announcer
  21. The process of deliberately keeping or culturing bees is known as ____________ (a) bumble bees (b) horticulture (c) ranching (d) apiculture
  22. Which of the following can damage farm structure constructed with woods? (a) earthworm (b) termites (c) Eel worm (d) cotton strainers
  23. All building and structures in the farms are collectively called ____ (a) farm structure (b) livestock building (c) farms stead (d) farm building
  24. Hunting of animals, gathering of fruits are traced back to ________ (a) nomads (b) early men (c) ancestor (d) Oyo empire  
  25. _____ and _____ are types of agriculture (a) horticulture and monoculture (b) subsistence and commercial (c) floriculture and silviculture (d) horticulture and animal husbandry
  26. A pepper plant that grows in a yam plot is regarded as a ____ (a) crop (b) flower (c) weed (d) vegetables
  27. Cotton is an example of ___ crop (a) beverages (b) cereal (c) fibre (d) latex
  28. Which of the following animals is an example of succulent feed? (a) bone meal (b) fish meal (c) hay (d) silage
  29. Which of the following animals does not feed on hay (a) cattle (b) goat (c) horse (d) poultry 
  30. The separation of agricultural produce into various sizes and qualities is referred to as ____ (a) assembling (b) bulking (c) grading (d) packaging
  31. Which of the following is not characteristics of paper (a) it is easily torn (b) it offers no barriers to water (c) it is a waste from pulpwood (d) it is flexible
  32. Live animals need the following for transportation except (a) Open-top lorry (b) Keepers to accompany them (c) feed bon deck (d) stacking
  33. Constraints to adequate packaging include the following except (a) cost (b) choice of materials (c) lack of knowledge about materials (d) distance to market
  34. The slatted wooden boxes for fruits allow for (a) free circulation air (b) water to enter the container (c) recycled (d) burnt
  35. The knowledge of packaging materials is essential because each product to be packsged has its own (a) direction (b) shape (c) properties (d) size
  36. Which of the following is not an objective of pricing? (a) to achieve profitability (b) to find out if consumers will be willing to pay that price (c) to support market position of the producer (d) to make the market unstable
  37. An increase in quantity demanded results in (a) a decrease in price (b) an increase in price (c) equilibrium price (d) a supply price
  38. Which of the following statements does not refer to advertisement (a0 it is a form of marketing communication (b) it is a promotion for agricultural product (c) it is a mean of publicizing the success of a farm enterprises (d) a supply price
  39. The inability of a farmer to store his products during period of high production results in (a) low prices (b) high prices (c) changes in price (d) prices forcast
  40. Cost of production is a form of ___ in producing a commodity (a) sales ( b) investment n(c) distribution n(d) market
  41. The perception most consumers about price-quality relationship is that a relatively high price is a sign of ______ (a) good quality (b) bad quality (c) average quality (d) half baked quality
  42. Prices of agricultural products can be expressed in the following ways except (a) currency (b) weight (c) quality (d) degrees
  43. For farmers to make profit, the cost of production must be (a) low (b) high (c) moderate (d) beneficial
  44. Trays could be made of the following except (a) plastic (b) metal (c) cardboards (d) polyethylene
  45. Fibres are materials needed from the following products except (a) jute raffia (b) sisal (c) metal

 

SECTION B

Answer 4 questions from this section

  1. What is Agricultural Science   5mks
  2. List and explain five (5) importance of agriculture     5mks
  3. Explain the following: (i) packaging (ii) branding     6mks
  4. List and explain two advantages of packaging     2mks
  5. Explain two disadvantages of branding         2mks
  6. What is advertising?     4mks
  7. State and explain three form of advertising     6mks
  8. List five (5) methods of advertising     5mks
  9. What is pricing     5mks
  10. State and explain four (4) reasons for packaging     5mks
  11. List and explain five (5) factors of price of agricultural products 5mks