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WAEC GCE 2019: Verified Agric Alternative To Practical Answers.

2019 WAEC-GCE AGRICULTURAL SCIENCE ALT TO PRACTICAL 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
=========================

(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 a oration 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) farm steady
(ii) farm hut/building

(2d)
(i) it prevent food spoilage
(ii) it prevent food shortage
(iii) accessibility and availability of roads

=========================

(3a)
A cotton crop

(3b)
(i)leaf
(ii)cotton fruit/wool
(iii)stock

(3ci)
(i)boll weevil
(ii)the pink bollworm.

(3cii)
(i)by lacewing control
(ii)by geocoris control

(3d)
Harvested by picker

==============================
(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) fowl
(ii) duck
(iii) Rabbit
(iv) Pigs

(4d)
(i)Influenza A
(ii)Bird flu
(iii)Brucellosis
==============================

Updated: September 6, 2019 — 3:39 pm

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