2018/2019 WAEC MAY/JUNE AGRIC SCIENCE OBJ AND THEORY EXPO/RUNZ

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*Real and Correct 2018 WAEC SSCE Agric Obj Answer*

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OBJ ANSWER LOADING

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(1ai)

Basic Ammenities:

-It makes able bodied me to migrate from rural to urban areas in search of job

-Poor processing facilities for farm produce

-Shortage of water for irrigation purposes for all season cropping

-Poor health services reduces the productivity of farmers

(1aii)

Farm inputs:

-Available farm inputs are of inferior quality,outdated and crude

-Farm inputs like chemicals,fertilizers,tools and implements are grossly inadequate

-Modern farm inputs are not produced in Nigeria

-Farm inputs are expensive to buy and maintain

2A

i. It helps in the absorption of mineral salt 

ii. It helps in transportation of nutrients to other parts of the plant where they are use in various metabolic processes 

iii. It is also needed as raw materials during photosynthesis 

iv. It is a constituent of plant protoplasm

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2B

.i. The main cause of soil acidification is inefficient use of nitrogen.

.ii. export of alkalinity in produce.

.iii.over grazing

.iv. Soil acidifies because theconcentration of hydrogen ions in the soil increases. 

.v. Lack of manure

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4a)

Land tenure can be defined as the manner in which a party holds or occupies an area of land.

4b)

A weed may be defined as any plant or vegetation that interferes with the objectives of farming or forestry, such as growing crops, grazing animals or cultivating forest plantations.

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4C)

i)Rootknot nematode/Meloidogyne spp.

ii)

-Nematodes are soil borne so are transmitted through soil movement and run-off water

-Through vegetative planting materials/transplanting of seedling

-Through contaminated farm tools and equipment

iii)

-Enlargement of certain cells of the

 -roots in the form of knots

iv)

-Crop rotation

-Use resistant varieties

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4ci)

Virus

4cii)

It is transmitted by aphid Aphis craccivora.

4ciii)

i)It forms green and yellow colour in the plants 

ii)Distortion and stunting of the plants.

4civ)

i)Use of insecticide 

ii)Uprooting affected plants

4di)

i)Land is Permanent

ii)Land is a Primary Factor of Production

iii)Land is a Passive Factor of Production

iv)Land is Immovable

4dii)

i)Man Produces Capital

ii)Capital is a Passive Factor of Production

iii)Capital is a Produced

Means of Production

iv)It is variable

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

ANSWER LOADING....... 

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