2019 WAEC GCE Agricultural science practical  Questions & Answers – EXPO/RUNZ

2019 WAEC GCE Agricultural science practical  Questions & Answers – EXPO/RUNZ

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Agric practical:
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(1a)
Sprinkler irrigation

(1b)
– Sprinkler
– Horse pipe
– Fine sparg

(1c)
-Horse pipe

(1d)
– it regulate the amount of water
– there is economy in the use of water
– it is suitable for desert area with high epapo-transpiration
– it is the best for the farm with an undulating landscapes

(1e)
-it is expensive for construct
-a stable water supply is necessary
– high power is needed to produce high pressure pump
-high wind velocity can affect the distribution of water

(1f)
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(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 filteration 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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