2020 NECO AGRICULTURAL SCIENCE PRACTICAL QUESTIONS AND ANSWERS

1a)

Specimen;A is knapsack sprayer

Specimen;B is watering can

Specimen;C is secateurs

Specimen;D is measuring tape

(1b)

(i)Both are used to spray liquid

(ii)They are both operated manually

(1c)

(i)Use protective clothing when spraying

(ii)Do not smoke, eat or drink when spraying

(iii)Do not use when it is windy

(1d)

(i)It has a pivot

(ii)It has two handles

(1e)

Gardening Shears

(1f)

Woven Metallic Tape

(1g)

(i)Keep in cool dry place after use

(ii)Do not drop on the ground

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(2a)

Specimen; E is sandy soil

Specimen; F is clay soil

Specimen; G is Loamy soil

(2b)

-Physical properties of E-

(i)weak structure

(ii)poor water retention ability

-Physical properties of F-

(i)Strong structure

(ii)High water retention ability

-Physical properties of G-

(i)contain humus than sandy soils.

(ii)they have better drainage and infiltration of water.

(2c)

Loam soils generally contain more nutrients, moisture , and humus than sandy soils.

(2d)

Specimen E

(i)Add at least 2 inches of organic matter each year.

(ii)Grow cover crops or green manures.

Specimen F

(i)Avoid Compaction

(ii)Add organic material.

(2e)

Specimen F; is rice

Specimen G; is maize

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(3a)

Specimen H; is Ginger

Specimen I; is orange fruit

Specimen J; is cassava

Specimen K; is pineapple

(3b)

Specimen H; is biennial crop

Specimen I; is perennial crop

Specimen J; is annual crop

Specimen K; perennial crop

(3c)

(i)It is used for medicinal purposes

(ii)It is used for spices in cooking

(3d)

Specimen H; is vegetatively propagated from the rhizome

Specimen J; is propagated through the stem.

Specimen K; is propagated through the suckers.

(3e)

Specimen J; Sugar cane plant

Specimen K; raspberry

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(4a)

Specimen L; is animal horn

Specimen M; is fish meal

Specimen N; is bone meal

Specimen O; is blood meal.

(4b)

(i) knife Dehorning

(ii) Hot-Iron Disbudding.

(4c)

(i)reduce the risk of injury and bruising to herd mates.

(ii)decrease risk of injury to farm workers.

(4d)

Specimen M

(i)Provides high protein concentration to livestock

(ii)It also serve as a good source of calcium, phosphorus, and other minerals.

Specimen N

(i)It is a source of protein

(ii)It is source of calcium phosphorous, vitamin B-12

(4e)

Oyster shell meal

(4f)

(i)it has a total digestible nutrient (TDN) of just 10%.

(ii)it is extremely deficient in isoleucine.

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Completed.

Posted by admin on 28th September 2020.

Tags: 2021 neco, 2021 NECO AGRICULTURAL SCIENCE PRACTICAL QUESTIONS AND ANSWERS

Categories: NECO