2021/2022 NECO EXPO RUNZ : AGRIC SCIENCE PRACTICAL QUESTIONS AND ANSWERS NOW AVAILABLE

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*2021 NECO PRACTICAL AGRIC*

*(NUMBER 1)*

(1a)
A = Measuring tape
B = Gunters chain
C = Ranging Pole
D= Peg

(1b)
*(Pick Any Three)*
(i)Avoid error of parallax when reading measurement
(ii)All chains,tapes ,ropes etc must be properly aligned before taking measurement
(iii)Equipment such as theodolite should be placed on a perfect horizontal plane
(iv)Avoid errors of transposing figures on papers
(v)Make sure the chain is not fully before use

(1c)
Specimen A
(i) It is used for taking measurement of length and breadth
(ii) It is used for taking measurement of height

Specimen B
*(Pick any two)*
(i) It is used in taking short or detailed measurement of length and breadth
(ii)It is used to mark points which must be seen from a distance
(ii)It is used to set out straight lines

Specimen D
(i)It is used during chaining for making off chain lengths as measured
(ii)It is used for marking stations

(1d)
(i)The diameter of C(ranging pole) is more than that of D(peg)
(ii) C(ranging pole) is longer than D(peg)

*(Number 2)*

(2a)
E = Sandy soil
F= Urea fertilizer

(2b)
*(Pick any Two)*
(i)Sandy soil has grey of brownish colour
(ii)Sandy soil is coarse,grained and gritty
(iii)sandy soil absorbs and loses water easily
(iv)Sandy soil is well aerated with low water holding capacity
(v)Sandy soil does not support waterlogging and erosion

(2c)
*(Pick Any Three)*
(i)Planting cover crop
(ii)Application of compost manure
(iii)Application of farm yard manure
(iv)Mulching the soil
(v)Avoidance of Bush burning

(2d)
(i)By placing it around the trees
(ii)By using hand to place it between the rows of the crops

(2e)
(i) It causes damage to the crop.
(ii) It increase the toxicity of the soil affecting plant growth.

(2f)
The particles are mainly quartz (SiO2) and having a size of 0.02mm to 2.0mm in diameter

(2g)
(i)Do not apply access F(urea fertilizer) to avoid increasing the acidity of the soil
(ii)Do not use access F(urea fertilizer) to avoid affecting the activities of soil organism
(iii) Carefully use Urea fertilizer on sandy soil to avoid increasing the toxicity of the soil

*(Number 3)*

(3a)
G= Paddy rice
H= Cassava Tuber
I= Palm fruit

(3b)
SPECIMEN G
*(Pick any Three)*
(i) Sun drying
(ii)Threshing
(iii) winnowing
(iv)parboiling
(v) Hulling

SPECIMEN H
*(Pick any three)*
(i)Peel the cassava roots.
(ii)Wash and clean the cassava root.
(iii)Grate the cassava roots into a mash.
(iv)Ferment the Cassava Mash to Remove Hydrocyanic Acid.

SPECIMEN I
*(Pick any three)*
(i)Threshing (removal of fruit from the bunches)
(ii)Sterilization of bunches
(iii)Pressing (Extracting the palm oil)
(iv)Clarification and drying of oil

(3c)
(i)Fertilizer application
(ii)weeding
(iii)supplying

*(Number 4)*

(4a)
J = Fresh milk
K= Egg
L= Hides and skin

(4b)
*(Pick any two)*
(i) Wash and clean your hands before milking and should not spit or smoke
(ii)Wash the cow’s udder and teats preferably with chlorine solution and dry.
(iii)Remove the wet bedding and keep the stall very clean and dry in condition

(4c)
(i)Dairy cattle
(ii)Beef cattle

(4d)
(i) Ventilation
(ii) Humidity
(iii)Turning
(iv)Temperature

(4e)
*(Pick any three)*
(i)soaking
(ii)pressing
(iii)liming
(iii)splitting
(iii)Removal of extraneous tissues

(4f)
vitamin

*COMPLETED*

*GOOD LUCK ALL*

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