Waec

2018 Waec Practical Agric Answers (May/June Expo)

2018 waec agricultural science theory & obj answers

How To Get 2018 Waec Agric Answers

Agric Practical portal
(1a)

Specimen A

– It is used for falling of trees
– It is used for cutting the roots during stumping.
– It is used for cutting logs of woods into smaller pieces

Specimen B

– It is used for lifting and tuning the soil
– It is used for levelling of the soil
– It is used for digging holes during transplanting

Specimen D

– It is used for transplanting of seedling
– It is used for applying manure after and before planting
– It is used for nursery operation / practice

Specimen F

– It is used for pulverizing the soil
– it is used for aerating the soil
– It is used for transplanting seedlings

(1b)

– The Metal part should be sharpened when blunt
– The metal part should be oiled or greased to prevent rusty
– The wooden part should be stored or kept in a place that termite cannot eat it
– Store in a cool and dry place

Agric Practical portal
(1a)

Specimen A

– It is used for falling of trees
– It is used for cutting the roots during stumping.
– It is used for cutting logs of woods into smaller pieces

Specimen B

– It is used for lifting and tuning the soil
– It is used for levelling of the soil
– It is used for digging holes during transplanting

Specimen D

– It is used for transplanting of seedling
– It is used for applying manure after and before planting
– It is used for nursery operation / practice

Specimen F

– It is used for pulverizing the soil
– it is used for aerating the soil
– It is used for transplanting seedlings

(1b)

– The Metal part should be sharpened when blunt
– The metal part should be oiled or greased to prevent rusty
– The wooden part should be stored or kept in a place that termite cannot eat it
– Store in a cool and dry place

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(2a)

Specimen G – Ph = 7 (neutral)
Specimen H – Ph = 1-4 (acidic)
Specimen I – Ph = 8-14 (alkaline or bionic)

(2ci)

If the Ph is 4.5 it shows that it is slightly acidic

(2cii)

– It destroys the root of plant
– It prevent the uptake of food from the root system
– it prevent the normal growth of plant except plant like tomatoes

(2ciii)

– Washing away of soil nutrients by erosion
– Planting operations like Monocropping
– Excessive use of land of a long period of time

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(3a)
J – is weavil
K – is beetle
L – is mosaic disease
M – is fruit rot

(3b)
(i) It Causes Low Yield
(ii) It Reduces The farmers income
(iii) Transmission of diseases
(iv) It causes the death of plants
(v) They bore into seed

(3c)
SPECIMEN J
(i) by the use of chemicals
(ii) by the use of pesticides
(iii) through and picking

SPECIMEN K
(i) through the use of pesticides
(ii) by handpicking
(iii) by the use of chemicals

SPECIMEN L
(i) through the practise of crop rotation
(ii) by using fungcidese

SPECIMENS M
(i) through the use of rodenticide
(ii) by setting traos for the rodents

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(4a)

– Cattle
– Sheep
– Goat

(4b)

Specimen N

– It sucks the blood of its host.
– It reduces the size of its host
– It reduces the market value of its host
– It kills it’s host

Specimen O

– It kills it’s host
– It reduces the quality of its host
– It causes anaemia to its host
– It sucks the blood of its host

(4c)

– By proper sanitation measures
– By handpicking
– By dipping the infected host in chemicals
– By using insecticides
– By isolation of infected animals
– By quarantine

(3a)
J – is weavil
K – is beetle
L – is mosaic disease
M – is fruit rot

(3b)
(i) It Causes Low Yield
(ii) It Reduces The farmers income
(iii) Transmission of diseases
(iv) It causes the death of plants
(v) They bore into seed

(3c)
SPECIMEN J
(i) by the use of chemicals
(ii) by the use of pesticides
(iii) through and picking

SPECIMEN K
(i) through the use of pesticides
(ii) by handpicking
(iii) by the use of chemicals

SPECIMEN L
(i) through the practise of crop rotation
(ii) by using fungcidese

SPECIMENS M
(i) through the use of rodenticide
(ii) by setting traos for the rodents

(4a)

– Cattle
– Sheep
– Goat

(4b)

Specimen N

– It sucks the blood of its host.
– It reduces the size of its host
– It reduces the market value of its host
– It kills it’s host

Specimen O

– It kills it’s host
– It reduces the quality of its host
– It causes anaemia to its host
– It sucks the blood of its host

(4c)

– By proper sanitation measures
– By handpicking
– By dipping the infected host in chemicals
– By using insecticides
– By isolation of infected animals
– By quarantine

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