NECO 2022 - AGRIC PRACTICAL ANSWER


(1a)
Specimen A - Hand fork
Specimen B - Dibber
Specimen C - Cross staff
Specimen D - Cast net
Specimen E - Feeding trough

(1b)
Specimen A - It is used for loosening surface soil around seedlings
Specimen B - It is used in harvesting of root crops like yam
Specimen C - It is used to measure angles and altitudes
Specimen D - It is used for catching fish
Specimen E - It is used to place food for animals

(1c)
Store in a cool and dry place

(1d)
(i) Lead weights
(ii) Hand line

(1e)
(i) Keeps the environment clean and clear of feeds
(ii) Keeps animal food clean and within reach

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(2a)
Specimen F - Loamy soil
Specimen G - Clayey soil
Specimen H - Sandy soil
Specimen I - Earthworm
Specimen J - Termite

(2b)
(i) It contains perfect amount of each type of soil and humus which is necessary to provide nutrients for growth.
(ii) Loamy soils are easily worked or cultivated in both dry and wet forms
(iii) It is well aerated

(2c)
(i) Specimen G is fine grained while H is coarse
(ii) G is light brown in colour while H is white

(2d)
(i) Soil organic matter
(ii) Soil texture
(iii) Soil pH

(2e)
(i) Use of chemicals and pesticides
(ii) Use of termite baits

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(3a)
K - Grass hopper
L - Bean Weevil
M - Mealybug

(3b)
K - Biting and chewing
L - Boring
M - Sucking

(3c)
K - Maize
L - Bean
M - Mango

(3d)
(i) Eats leaves and results in reduced yield of crops
(ii) Renders seed unviable for planting
(iii) Sucking of plant sap result in yellowing leaves, stunting or death of plants

(3e)
(i) Chemical control using insecticides
(ii) Cultural control eg using resistant varieties
(iii) Physical control eg hand picking of insects and larvae

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(4a)
N - Animal skin
O - Tick
P - Roundworm

(4b)
(i) It is used as a raw material for clothes
(ii) It serves as a source of food

(4c)
(i) It has four pairs of jointed in walking legs
(ii) The moth parts are hidden in a groove

(4d)
(i) Inflicts wounds that attracts flies
(ii) It causes irritation

(4e)
O
(i) Cattle
(ii) Dog

P
(i) Pig
(ii) Sheep

(4f)
(i) Regular deworming with piperazine drugs
(ii) Provision of clean and pure water