2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS

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2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS

COMPLETE AGRIC SCIENCE OBJ & ESSAY QUESTIONS & ANSWERS NOW AVAILABLE. subscribe for the expo if you don’t want late answers

VERIFIED NECO AGRIC

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AGRIC OBJ:
1-10: EBABDCEEEC
11-20: CBECEBAEDE
21-30: EDBDBBDCEC
31-40: CAACDABABB
41-50: CADEDACCBB
51-60: DCCADDEADB
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1a)
i) It is always important to carry out daily checks on your tractor before you drive it to ensure everything is in working order
ii) Always practice the Safe Stop procedure.
iii) When getting in and out of the tractor always use access steps and hand supports, adjust seat position to operate controls
iv )Always keep floors, doors, pedals clear and keep your boots clean.
v) Tractors or machinery should never be operated if a danger from overhead electricity lines exist.

1b)
i.Soil type: Soil characteristics and strength determine its ability to withstand stress exerted by a building. Erect structures on firm, well-drained soils.

ii.Topography: If the land is too sloppy, there are high chances of landslide occurrence; and if it is too flat, there is likelihood of poor drainage that leads to flooding. A relatively flat free drained area is most suitable.

1c
Subsistence Agriculture
-i- A small area of land is cultivated.
-ii- Produce is mainly for family consumption.
-iii- Crude tools and implements are used.
-iv- Yields or returns are low.
-v- It requires little capital investment.

Commercial Agriculture
-i- A large are of land is cultivated and mechanised.
-ii- Produce is mainly for sale or export.
-iii- Complex and Modern tools and implements are used.
-iv- Yields or returns are high.
-v- It requires huge capital investment.

1d.)
TABULATE

i. Cocoa bean – chocolate

ii. rubber chemicals – tyre

iii. milk – consumption products eg cheese, ice cream

iv. Tree timbers – furniture
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(2a)
(i)problem of land Tenure
(ii)problems of basic Amenities
(iii)problems of finance and poor financing
(iv)poor transportation
(v)poor tools and farm machines
(vi)poor marketing system

(2bi)
Green Resolution

(i)To ensure adequate, reliable and safe food supplies for a rapidly
growing population
(ii)To become self reliant in basic food requirements

(2bii)
River Basin development Authority

(i)It aims at improving rural infrastructure which will reduce migration to urban areas
(ii)construction of goad roads to project sites for easy transportation

(2c)
(i)High maintenance cost of machine
(ii)it is costly to purchase
(iii)it can break down and hold – up farm work
(iv)it can destroy soil structure

(2d)
(i)pull taut chains, tapes or ropes
(ii)Make sure the chain is not faulty

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(3a)
Nutrient cycles refer to the circulation of certain nutrients like nitrogen, carbon and water in nature

(3b)
(i)Crop removal:nutrients are removed from the soil by crops for growth, development and production.when the crop are harvested ,the nutrients contained in the plant are never returned to the soil

(ii) P H :The degree or alkaline of the soil affects the availability of nutrients both in the soil and also to plant

(iii)Leaching:This involved removal of nutrients from the top soil to the inner parts of the soil which result in the loss of nutrients such as calcium , aluminium, potassium from the top soil in solution

(iv)Erosion:Heavy rainfall causes the washing or carrying away of the top soil which is rich in plant nutrient. Top soil can also be blown away by wind, resulting in nutrient reduction in the soil

(3ci)
Soil texture
(Pick two)
(i)it affect drainage and capillarity including water – retaining capacity of soil
(ii)it effects infiltration and retention of water
(iii)it also affects soil air

(3cii)
Temperature
(Pick two)
(i)it affects the growth of plant
(ii)it affect distribution of plants and animals
(iii)it also affect maturity of crops, that is ripening of fruit

(3ciii)
Pests
(Pick two)
(i)They can reduce quality and quantity of crops
(ii)crop plants can be attacked while still growing in the field or during storage ie of the fruit or seed
(iii)it reduced farmer income

(3d)
(i)Air pollution
(ii)land pollution
(iii)water pollution
(iv)Noise pollution

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(6a)
(i)Threshing :is the process of loosening the edible part of grain(or crop)from the husks and straw to which it is attached.use either manual or mechanical threshers to separate stalks from grains

(ii)Parboiling:This is used to reduce breakage of role. the paddy rice is boiled for about 12 – 15hours.the husks are easily removed

(6b)
(Pick two)
(i)Nematodes
(ii)Yam tuber Beetle
(iii)Yam shoot Beetle
(iv)Rodents

(6c)
(i)By using physical method or control
(ii)By using using cultural method or control
(iii)By using Biolgical method or control
(iv)Bg using Chemical method or control

(6d)
(i)it provide medicinal herbs for the traditional healer who make use of these herbs for curing various type of disease
(ii)it provide employment for people ranging from the forest guards, saw millers to the forest lawyers
(iii)Forest trees serve as wind breaks thereby preventing wind erosion and desert encroachment
(iv)Trees in the form of timber can be good source of revenue and foreign exchange to the country

(6e)
(i)oak
(ii)birch

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7ai)
Causal Organism is a severe, highly contagious viral disease of cattle and swine. It also affects sheep, goats, deer, and other cloven-hooved ruminants. In other words The disease is caused by a virus

7aii)
i)Weight loss.
ii)Low conception rates.

7aiii)
i)Through contact with an infected person’s saliva, stool, or respiratory secretions.

7aiv)
i)monitor and report illness;
ii)appropriate disposal of manure and dead carcasses.

7av)
i)Good biosecurity measures should be practiced on uninfected farms to prevent entry of the virus.

7b)
i)It regulate the acidity of the blood.
ii)It control the concentrations of water and salt in the body fluids
iii)It excrete the waste product urea

7c)
i)Air is sucked in through the mouth or nose.
ii)Gas Exchange or oxygen deprived, dark blue blood is then delivered to the blood vessels of the lungs.
iii)muscle contraction or it requires muscular effort.

7d)
i)Evaluating the effects of air stress during storage on aerobic stability
ii)Analysing the effects of exposure to air at feed-out of silage on methane
iii)Evaluating the effects of 6 silage additives on storage losses, silage quality.

 

 

 

 

 

 

 

 

 

 

 

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2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS
2018 NECO RUNZ AGRIC SCIENCE OBJ & ESSAY QUESTIONS AND ANSWERS

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