WAEC Agric Science Practical 2022 Answers – (100% Legit) Expo

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WAEC Agric Science Practical 2022 Answers

Agricultural Science 3 (Practical) – 09:30am – 11:00am (1st Set)
Agricultural Science 3 (Practical) – 11:30am – 1:00pm (2nd Set)

WAEC Agric Science Practical 2022 Answers


M – Monograstic
N – Monogastric
O – Ruminant


N – It has thick muscular wall and contain small stones or gastritis.
O – It is composed of several muscular sac.
P – It is a long, narrow, folded or coiled tube extending from the stomach to the large intestine
Q – It is a large meaty organ that sits on the right side of the stomach

Specimen N:
(i) It aid in digestion by particle size reduction(grinding).
(ii) Chemical degradation of nutrients and regulation of feed flow

Specimen O:
(i) It houses many tiny organisms which aid in the digestion of food such as hay and grass.
(ii) It store chewed plant material and grain that a ruminant regurgitates

Specimen P:
(i) It aid digestion.
(ii) Absorption of digested food.

Specimen Q:
(i) Regulation of body temperature.

(ii) Storage of glycogen, vitamins and minerals.

I: Arachis hypogaea
J: Gossypium species
K: Elaeis guineensis
L: Hevea braziliensis

I: Legume crops
J: Fibre crops
K: Oil crops
L: Latex crops


-Brown germ
-Gala dema
-Root blast


To carry out castration with the burdizzo, The animal is secured, and the spermatic cord is palpated within the scrotum. The burdizzo clamp is placed across the cord and closed.

-For identification
-For tracking

-Used for tightening and loosening of nuts and bolts
-Used for changing tyres in wheelbarrow and machines

-For illumination of the farm
-For heating


-Solar lamp
-Battery touches

F – Granular in nature
G – It has bulk density
H – Dry matter content

(i) They are used in enriching the soil with nutrients
(ii) They are used increasing soil fertility to ensure good vegetative growth that results in high crop production.

(i) Broadcasting
(ii) Placement
(iii) Foliar application

Choose a well-drained area before digging pits.
Then dig two pits.
Collect plant residues such as grass, cleared bushes, weeds from your farm, animal waste,etc.
Ensure the plant residues are in small sizes to speed up the decomposition process.
Use one pit to collect animal waste and the other pit to mix and decompose animal waste with the other waste materials.
Mix the plant residues with animal waste like waste from poultry, pigs, goats, cattle and donkeys, thoroughly and leave it to decompose.
Add water to make mixing easier and pave way for faster decomposition.
Leave them to decompose in the second pit for about a month then remove the compost manure from the pit to a heap where it decomposes further and dries up for two weeks depending on the weather.
Keep on rolling the compost as it integrates oxygen into the pit and breaks up clumps.

F – Clean up excess fertilizer on your sidewalk or driveway
G – Ensure it is properly added to the soil
H – Ensure hand gloves are worn

Specimen A – Feeding trough
Specimen B – Burdizzo (real/picture/diagram)
Specimen C – Neck/collar tag
Specimen D – Spanner
Specimen E – Kerosine lamp
Specimen F – Inorganic fertilizer (superphosphate) (labelled)
Specimen G – Compost (labelled)
Specimen H – Farmyard manure (labelled)
Specimen I – Groundnut seeds (unshelled)
Specimen J – Cotton lint
Specimen K – Oil palm fruit
Specimen L – Rubber latex (labelled)
Specimen M – Crop (Poultry)
Specimen N – Gizzard (longitudinal section with its contents)
Specimen O – Rumen
Specimen P – Small intestine
Specimen Q – Liver

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