Waec 2021 Agricultural Science Practical Question And Answer Now Available

A is an enlarged pair of scissors which possesses two long metal blades and two handles which may be wooden, metal, rubber or plastic. The blades are sharpened at one edge and are connected to the pivot by bolt and nut.

(i) It is use for pruning process
(ii) It is used for cutting flowers

(i) It is use for weeding
(ii) It is used for trimming hedges or shrubs

(i) Store in a cool dry place
(ii) Clean or wash after use
(iii) Keep away from rain to prevent rust

(i) Store in a cool dry place
(ii) Always wash and clean after use
(iii) Sharpened the blade properly

(i) Hoes
(ii) Hand Trowel


Under Specimen E
(i) Expensive
(ii) Fertilizer is Corrosive to touch
(iii) Vegetative growth in plants is stimulated thereby reducing
(iv) it is readily soluble Manure in water this are soluble in water thus, it is absorbed by
by plants
(v) Application requires Special Guidelines
(vi) Does Not Add Humus to soil

-Under Specimen G-
(i) Cheap
(ii) It is mild to the
to touch
(iii) Certain Diseases can be Transmitted to Plants
(iv) Manure is not readily Soluble in water Thus it is Absorbed by Plants Slowly
(v) Application does not require any Special guidelines
(vi) Adds humus to soil

(i) Nitrogen
(ii) Ammonium nitrate
(iii) Ammonium sulphate
(iv) Sodium nitrate

(i) Excessive use causes plant death
(ii) it needs to be used in advance as it takes time to come into effect
(iii) Causes acidity
(iv) Mixing and preparation can lead to pollution
(v) Expensive to buy


(i) Specimen H: Centrosema pubescens
(ii) Specimen I: Pennisetum purpureum Schumach.
(iii) Specimen J: Pueraria phaseoloides

(i) Specimen H: is propagated by seed
(ii) Specimen I: is propagated vegetatively through stem cuttings
(iii) Specimen J: is propagated by seeds

(i) It is a vigorous twining, trailing and climbing perennial legume.
(ii) It has a deep root-system with tap roots and lateral roots.
(iii) It Leaves are dark green and trifoliate
(iv) Leaflets are ovate, 4 cm long x 3.5 cm broad.
(v) It Flowers are borne in axillary racemes, are bright or pale lilac with violet stripes.

(i) It is used for traditional animal feed,
(ii) It is used for pest management
(iii) It is used for improving soil fertility
(iv) It is used for protecting arid land from soil.


(i) Farmers
(ii) Retailers
(iii) Wholesalers
(iv) Consumers

-Pour the raw milk into a steel pot
-slowly heat the milk to about 63°c and maintain it for about 30 minutes
-remove the pot and place it in a bowl filled with ice water. Stir until the temperature drops
-stor in a refrigerator.

(i) Vitamin D
(ii) Calcium
(iii) Protein

(i) Tightening of the skin
(ii) Loss of weight
(iii) Low production of milk
(iv) Dehydration
(v) Stress

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