WAEC GCE 2018 Agric Science Expo Answer (Obj and Essay) – Jan/Feb Free Expo Answer

WAEC GCE 2018 Agric Science Expo Answer (Obj and Essay)– Jan/Feb Free Expo Answer 
2018/2019 WAEC GCE Agric Science Expo Answer | Questions And Answers Jan/Feb Free Expo
WAEC GCE Agric Science Expo Answer 2018
WAEC GCE 2018 Agric Science Expo Answer
Free WAEC GCE Agric Science Expo Answer 2018/2019

GCE 2017 Agricultural science answer expo

AGRIC OBJ:

1-10: AAAADABBBB

11-20: BDCCDACABC

21-30: BACCBAACBD

31-40: DBBBBCDDDD

41-50: CAABCDACBA

COMPLETED NO1 SOLUTION 

1a)

Farm surveying is the process of measuring and mapping out the position, height, size and boundary of an area of farmland.

1b)

i)It helps to know the size or hectare of a farmstead

and the arrangement of land for proper usage without the risk of land degradation.

ii)Farm surveying help to make proper use of resources available and also to project the maximum profit achieved.

iii)Results of farm survey can be used as collateral for security loan from financial institutions.

iv)Absolute and relative positions of points on the farm and earth’s surface can be determined.

v)The topography or gradient of the farm land can also be determined.

x)It enables the farmer to lay his farm into plots.

1c)

1ci)It is used for measuring small offsets from the survey line when the work is of an ordinary nature.

1cii)Gunter's chain or the surveyor's chain is a distance measuring device used for land survey.

1ciii)

prismatic compass is a navigation and surveying instrument which is extensively used to find out the

bearing of the traversing and included angles between

them, waypoints and direction.

iv)Measuring tape is used in measuring angular distances.

v) Theodolite is used to measure horizontal or vertical angles or planes

1D)

i)The initial cost of a machine is high. An idle machine is a waste.

This wastage is greater, if the machine is costly.

ii)Adoption of certain machines will lead to unemployment.

iii)Clerks can more easily be trained in new methods and

systems. In case of machines for specialized jobs, if the systems are changed, it is difficult to make use of them in the new system.

iv)Machines are subject to break-down and lie idle when electricity fails (if it is electrically operated).

v)Depreciation charges are high; this will reduce the profit.

x)Certain types of machines may become obsolete within a

short span of time.

(3a)

(i) It provides food for human

(ii) It checks soil erosion

(iii) It brings about vegetation cover

(iv) It brings about rainfall

(v) Forest improves soil fertility

(vi) It creates job opportunities

(3b) 

(i) Oganic manuring:

- It improves the activities of the soil micro organisms

- It improves soil fertility

- It improves yield

(ii) Bush burning:

- It exposes the soil to sunlight

- It destroys soil microorganisms

- It reduces soil fertility

(iii) Tillage:

- It enhances soil aeration

- It helps to mix the soil with organic matters

- It also improves the activities of the soil micro organisms

(iv) Clean clearing:

- It reduces the effects pof parasites and diseases

- It reduces soil fertility

- It helps for easy cultivation and harvest

(4ai)

Natural mating is the type of mating by which the the farm animals are allowed to move together and mate freely. Natural mating also enable the farm animals to select their mating partners while ARTIFICIAL Mating is the type of mating that involves the introduction of sperm(semen) into the female genital tract by the farmer through artificial means.

(4aii)

(i) Pen mating

(ii) Hand mating

(4bi)

(i) It helps to enhance growth and development of the farm animals

(ii) It helps the body of the farm animals to build enough immune

(iii) It makes the bones of animals strongs

(iv) It helps to resist diseases

(4bii)

(i) Meat

(ii) Bones

(iii) Blood

(iv) Egg

(4c)

(i) It helps the farm animals to get adequate food

(ii) It helps to improve vegetatioons

(iii) it helps the farm animals to be free from diseases and parasites

(iv) It helps the farmer to control the farm animals easily

(5a)

(i) It is used to regulate body temperature

(ii) It is required for metabolic reactions in an animal’s body.

(iii) It helps in digestion of food and feeds

(iv) It is used in homeostasis in animals’ body.

(5b)

(i) Calcium

(ii) Potassium

(5c)

(i) They help in enegry production

(ii) They enhances healthy bone and teeth

(iii) They help in nerve and muscle function

(iv) They provide strong immune for the body

(5di)

Inflammation of the teat

(5dii) 

- Use of germicides

- Removal of causative agents

(5div)

Rinder pest

(5dv)

Immunization by vaccine combined with quarantine

(5dvi) 

Use strict biosecurity measures for animals, animal

products.

(5dvii)

Unusually watery faeces that are yellowish-green in colour

(5dviii)

Use of vaccination

(6a)

Depreciation is a procedure for allocating the cost

of a depreciable asset among the production in

which the asset is used.

(6bi)

Farm record is an account of the various activities carried out on the farm such as farm purchases, utilization of farm inputs, number of livestock kept and equipment procured. While Farm account shows the total receipt and payments made by the farm at a particular time.

(6bii)

Credit is the ability of a customer to obtain goods or services before payment, based on the trust that payment will be made in the future while subsidy is a sum of money granted by the state or a public body to help an industry or business keep the price of a commodity or service low.

(6biii)

Asset are things owned and controlled by an entity that is capable of bringing some financial gain in the future while liabilities are present obligations which has to be settled in future.

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