WAEC GCE 2025 AGRIC THEORY AND OBJ ANSWER

For the Obj;
Pls kindly trace it from your system. The options are being reshuffled. You might see number 1 as any number, so trace and be fast. You might also see option A as option C, B or D. Just use the answers in words and and trace properly. Kindly Trace it carefully to avoid errors!!!!


1. The answer is B. specialization in production.
2. The answer is B. aquaculture.
3. The answer is A. establishment of agro-based industries in rural areas.
4. The answer is D. 20 m.
5. The answer is C. mower.
6. The answer is C. harrow.
7. The answer is D. cereals and pulses.
8. The answer is A. High magnetic attraction.
9. The answer is B. latex.
10. The answer is D. universal indicator.
11. The answer is A. silt.
12. The answer is B. highly acidic.
13. The answer is C. highly alkaline.
14. The answer is D. ammonium sulphate.
15. (B) crop rotation
16. C. Necrosis on chlorosis
17. D. Irrigation water should be free of sediments
18. B. Gravel, silt and clay
19. B. Is a storehouse of nutrients
20. D. Improve the leaf to stem ratio
21. D. Minimize post-harvest losses
22. C. Beverage crop
23. D. I and II only
24. B. Rope and paper
25. B. Separating the seeds from the cob
26. D. Check the growth of weeds
27. D. Inbreeding
28. D. Height
29. B. Banana
30. C. 450
31. C. Afforestation
32. C. Axonopus compressus
33. C. Biting and chewing insect
34. C. Virus
35. D. Lipids
36. A. Barrow
37. C. Sokoto Red
38. B. Calcium carbonate
39. A. Mixing molasses in drinking water
41. C. Prevent damage by rodents
42. D. I, II and III
43. C. I and II only
44. C. 5.4 m
45. D. Respiratory and nervous systems
46. A. Moratorium
47. D. 28.6%
48. D. 66.7%
49. B. 1.09
50. B. Commodity board





(1a)
(PICK ANY SIX)
(i) Development of high-yielding maize varieties.
(ii) Production of disease-resistant maize.
(iii) Production of pest-resistant maize.
(iv) Development of early-maturing maize varieties.
(v) Improvement of modern maize farming methods.
(vi) Improvement of maize storage and preservation techniques.
(vii) Training of farmers through extension services.
(viii) Increasing food production and food security.

(1bi)
Boom sprayer

(1bii)
(i) Herbicides
(ii) Insecticides
(iii) Fungicides

(1biii)
(PICK ANY FOUR)
(i) Washing the tank after use.
(ii) Flushing the pipes and nozzles with clean water.
(iii) Replacing worn-out nozzles.
(iv) Lubricating moving parts regularly.
(v) Repairing leakages immediately.
(vi) Storing the sprayer in a dry place.

(1c)
(PICK ANY FOUR)
(i) Land is a free gift of nature.
(ii) Land is fixed in supply.
(iii) Land is immobile.
(iv) Land is heterogeneous in nature.
(v) Land is subject to diminishing returns.
(vi) The value of land depends on fertility and location.

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(2ai)
Soil structure refers to the arrangement of soil particles (sand, silt, and clay) into stable units called aggregates or peds.

(2aii)
(i)Improved water infiltration and retention.
(ii)Enhanced root penetration and growth.
(iii)Better aeration, ensuring adequate oxygen supply to roots and microorganisms.
(iv)Reduced soil erosion by resisting the impact of rain and wind.
(v)Facilitated nutrient cycling and availability through microbial activity.

(2bi)
Complet the table;

UNDER; Agro-based Industry And The Two agricultural raw materials used;

-Canning
(i) Fruits
(ii)Vegetables

-Brewery
(i) Barley/Malt
(ii) Hops

-Pharmaceutical
(i) Medicinal plants/Herbs
(ii) Plant extracts/Essential

(2c)
(i)They consist of a mixture of different grass species and sometimes legumes and forbs.
(ii)The species composition is naturally occurring and not typically planted by humans.
(iii)They are often found in areas less suitable for intensive cultivation.
(iv)They exhibit seasonal variation in growth and nutritional value.
(v)They are generally more resilient to environmental stresses like drought compared to cultivated pastures.

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(3ai)
(PICK ANY THREE)
(i) Nature/type of soil
(ii) Topography (slope of the land)
(iii) Availability of water
(iv) Type of crop to be grown
(v) Climate/rainfall pattern
(vi) Cost of construction and maintenance

(3aii)
(PICK ANY THREE)
(i) Soil permeability
(ii) Depth of water table
(iii) Type of crop root system
(iv) Cost of installation
(v) Availability of water supply
(vi) Technical skill required

(3bi)
Agroforestry is the practice of growing trees and crops together on the same piece of land at the same time for mutual benefit.

(3bii)
(PICK ANY FIVE)
(i) Oil palm
(ii) Cocoa
(iii) Mango
(iv) Orange
(v) Cashew
(vi) Iroko
(vii) Neem
(viii) Leucaena

(3c)
In a Tabular form

=Digestive system of a ram=
(PICK ANY FIVE)
(i) A ram is a ruminant animal.
(ii) A ram has four stomach compartments.
(iii) A ram chews the cud.
(iv) A ram carries out microbial fermentation.
(v) A ram does not have a crop.
(vi) A ram has teeth for grinding food.
(vii) A ram digests cellulose efficiently.
(viii) A ram has a large and complex stomach.

=Digestive system of a cock=
(PICK ANY FIVE)
(i) A cock is not a ruminant animal.
(ii) A cock has only one stomach.
(iii) A cock does not chew the cud.
(iv) A cock carries out mechanical and chemical digestion.
(v) A cock has a crop.
(vi) A cock has no teeth but has a beak.
(vii) A cock cannot digest cellulose efficiently.
(viii) A cock has a small and simple stomach.

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(4a)
Complet The Table;

UNDER; Causal organism:
(i)A virus (specifically a complex of groundnut rosette assistor virus.
(ii)GRAV, and groundnut rosette virus.
(iii)GRV) spread by aphid vectors.

UNDER; Two symptoms:
(i)Stunted growth and a "rosette" appearance due to shortened internodes.
(ii)Chlorosis (yellowing) or mosaic patterns on the leaves.

UNDER; Three preventive/control measures:
(i)Planting of resistant or tolerant groundnut varieties.
(ii)Early planting at the onset of the rainy season to avoid peak aphid populations.
(iii)Controlling aphid vectors through the application of appropriate insecticides.

(4bi)
ADVANTAGE:
(i)Genetic variation among offspring, which can lead to improved disease resistance or adaptation to new environments.
(ii)Seeds are typically easier to store and transport than vegetative material.
(iii)Allows for the development of new crop varieties through breeding programs.

(4bii)
DISADVANTAGE:
(i)Offspring are not genetically identical to the parent plant ("not true to type").
(ii)Crops generally take a longer time to mature and yield produce compared to asexual propagation.
(iii)Seeds may carry seed-borne diseases or have variable germination rates.

(4c)
(i)Careful selection of high-quality, viable seeds from healthy pods.
(ii)Preparation of the nursery beds or filling polybags with appropriate soil media.
(iii)Providing adequate shade and regular irrigation (watering) to ensure optimal growth conditions.

(4d)
(i)Presence of cracks or thin patches in the shell, which compromise structural integrity and allow entry of pathogens.
(ii)Abnormal size (too small or too large) or shape (round, elongated), which can affect development or positioning in the incubator.
(iii)Dirty or contaminated shells (e.g., with faeces, mud, or blood), which increase the risk of bacterial infection for the embryo and other eggs.

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(6ai)
=Storage=
(PICK ANY TWO)
(i) To prevent spoilage of farm produce
(ii) To ensure constant supply throughout the year
(iii) To avoid glut in the market
(iv) To stabilize prices of farm products
(v) To enable farmers sell when prices are favourable
(vi) To store produce until it is needed for processing or consumption

(6aii)
=Processing=
(PICK ANY TWO)
(i) To increase the shelf life of farm products
(ii) To add value to agricultural produce
(iii) To improve taste and quality of products
(iv) To reduce bulkiness for easy transportation
(v) To prevent wastage and spoilage
(vi) To make products suitable for different uses

(6aiii)
=Grading=
(PICK ANY TWO)
(i) To ensure uniformity in quality
(ii) To help in fixing standard prices
(iii) To satisfy consumers’ preference
(iv) To encourage fair trade
(v) To make marketing easier
(vi) To improve the value of quality products

(6b)
(PICK ANY FIVE)
(i) Honesty
(ii) Hardwork
(iii) Good leadership skill
(iv) Good decision-making ability
(v) Good record-keeping ability
(vi) Technical knowledge
(vii) Patience
(viii) Good communication skill

(6c)
(PICK ANY THREE)
(i) It may kill useful insects
(ii) The method is slow
(iii) The predator may turn into a pest
(iv) It may disturb the ecosystem
(v) It may not completely eliminate pests
(vi) It may cause imbalance in nature

(6di)
=Cocoa=
(i) Forastero
(ii) Criollo

(6dii)
=Oil Palm=
(i) Dura
(ii) Tenera

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WAEC GCE 2025 AGRIC PRACTICAL ANSWER


(1)


(1b)
(i)Manure
(ii)soil

(1c)
The process involves selecting a site (pit or heap), layering organic waste with activators like manure or soil, ensuring adequate moisture and aeration (e.g., using aeration pipes), and allowing sufficient time for decomposition to produce compost.

(1d)
(i)It can cause water pollution through runoff.
(ii) it is expensive.
(iii) it can lower soil pH over time.

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(2a)
Musa

(2b)
I: Leaf (or Lamina);
II: Rhizome (or Corm);
III: Fruit (or Bunch)

(2c)
(i)Suckers
(ii)Corms (or Rhizomes)

(2d)
(i)Gros Michel
(ii)Cavendish
(iii)False Horn Plantain
(iv)French Plantain

(2e)
(i) Pruning: To regulate the number of suckers per mat for optimum growth and fruit size.
(ii) Staking: To provide physical support and prevent the plant from lodging (falling over).

(2f)
(i)The fruit is consumed as food (either ripe or unripe).
(ii)Leaves are used for wrapping food during cooking or serving.
(iii)Fibers from the pseudostem can be used to make ropes or textiles.

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(3a)
Tractor

(3b)
(i)Engine
(ii)wheels
(iii)steering wheel
(iv)exhaust pipe

(3c)
(i) Use for Plowing fields.
(ii)Use for pulling farm implements.
(iii)transporting materials and harvesting

(3d)
(i)Regular oil changes
(ii)checking tire pressure.
(iii)cleaning the machinery.
(iv)lubricating moving parts

(3e)
(i)Ensures efficient operation.
(ii)prolongs the lifespan of the machinery
(iii)prevents costly breakdowns

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(4a)
Tick

(4b)
(i)Transmission of diseases (e.g., East Coast fever, anaplasmosis).
(ii)Blood loss leading to anaemia and reduced productivity.
(iii)Damage to hides and skin reducing market value.

(4c)
(i)Regular cleaning and disinfection of the housing unit.
(ii)Application of approved acaricides (tick-killing chemicals) to the housing structure and surrounding areas.


(4di)
Udder

(4dii)
Dairy animals (or Mammals)

(4diii)
(i)Ensure cleanliness of the udder and teats before milking.
(ii)Use clean and sterilised equipment for milking and collection.
(iii)Maintain personal hygiene of the milker (e.g., clean hands, clothing).

(4div)
Prolactin