WAEC 2021 Agricultural Science Practical Answer – May/June Expo

WAEC Agricultural Science Practical Answer

The West African Examinations Council WAEC Agricultural Science Practical Questions Answers 2021 Update.

(1a)
A – Measuring tape
B – Gunter’s chain
C – Ranging pole
D – Peg

(1b)
(i)Pull taut chains
(ii)Make sure the chain is not faulty
(iii)Avoidance of error due to parallax when reading the measurements

(1c)
SPECIMEN A:
(i)It is used for taking measurements of linear distances
(ii)It is used to form 3-4-5 methods of measurement

SPECIMEN C:
(i)It is used for marking spots or stations
(ii)It is used for making straight lines

SPECIMEN D:
(i)Used to mark points
(ii)To mark terminal points of survey lines

(1d)
(i)C is longer than D
(ii)C is circular sectioned, while D is square-sectioned

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(2a)
E – Sandy soil
F – Urea fertilizer

(2b)
(i)It is coarse-grained
(ii)It is gritty

(2c)
(i)By mulching the soil
(ii)By planting cover crops
(iii)Application of manure

(2d)
(i)Making long lines along the farmland.
(ii)Applying F along the lines, just by the sprouted seedlings

(2e)
(i)Causes acidity
(ii)Encourages weed growth relative to cultivated crops

(2f)
0.2 – 0.02mm

(2g)
(i)Ensure there is an anticipation of rain or irrigation
(ii)Test the soil, then check the nutrient level
(iii)Apply two weeks before planting

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(3a)
G – Paddy rice
H – Cassava tuber
I – Palm fruit

(3b)
SPECIMEN G:
(i)Threshing and winnowing
(ii)Parboiling
(iii)Hulling

SPECIMEN H:
(i)Fermentation
(ii)Drying
(iii)Cooking

SPECIMEN I:
(i)Threshing
(ii)Fruit digestion
(iii)Pulp pressing

(3c)
(i)Irrigation
(ii)Mulching
(iii)Manuring

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(4a)
J – Fresh milk
K – Egg
L – Hides and skin

(4b)
(i)The animal should be cleaned thoroughly before milking
(ii)The animal should be handled gently, i.e apply little pressure to the udder

(4c)
(i)Dexter
(ii)Dairy Shorthorn

(4d)
(i)Only fertile eggs are meant for incubation
(ii)Eggs must be clean
(iii)No washing of eggs with water
(iv)Eggs must be fresh (1 – 2 weeks)

(4e)
(i)Soaking
(ii)Pressing
(iii)Spitting

(4f)
Protein

 

GOODLUCK!!!

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