WAEC GCE 2019 - AGRIC ANSWER

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ANSWERS:

(1a)
Sprinkler irrigation

(1b)
(i) A pump unit
(ii) Couplers
(iii) Sprinkler head

(1c)
Sprinkler head

(1d)
(i) Affordable and easy to set up.
(ii) Water measurement is easier than surface irrigation system.
(iii) Less interference with cultivation and less land loss.
(iv) High and frequent application can be effectively accomplished.


(1e)
(i) High operating cost.
(ii) Water will drift when there is a lot of wind.
(iii) A stable water supply is needed.
(iv) Saline water may cause problem.

(1f)
(i) Lowering of the water table
(ii) Decreased water quality


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(2ai)
I - seed box/seed tray
II - axe
III - silo

(2aii)
(i)it is used for storing seed during drying
(ii)it is use for drying holes and making out seeds beds
(iii)it is used for the storage of vegetable and perishable crops

(2aiii)
It provides aeration of storage crops

(2b)
(i)apply oil and grease on the metal side
(ii) wash after use
(iii)wash or avoid drying of the tools under the sun.

(2c)
(i) Rhumbus
(ii) Sacks

(2d)
(i) It prvents water from entering into the seed
(ii) It reduces the actions of insect pests
(iii) It reduces fungi development

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(3a)
Cotton

(3b)
I - Leaf
II- Cotton boll
III- Cotton flower

(3ci)
(i) Cotton stainer
(ii) Boll worms

(3cii)
(i) Hand picking
(ii) Destruction of infected plant

(3di)
Hand picking

(3dii)
(i) Drying and separation
(ii) Ginning and bailing

(3e)
(i) It is used for treatment of wounds
(ii) It is used for filtration in the laboratory
(iii) For curing Puss in the Ears
(iv) Protect the garden from rabbits

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(4a)
(i) Crop
(ii) Proventriculus
(iii) Gizzard
(iv) Pancreas
(v) Caecum
(vi) Gall bladder

(4b)
(iii) To grid the food
(iv) Secrete engine for digestion
(v) To allow undigested food to come out
(vi) To store bile

(4c)
(i) domestic fowl
(ii) duck
(iii) turkey
(iv) guinea fowl

(4d)
(i) Newcastle disease
(ii) Fowl pox
(iii) Gumboro




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