FREE Waec 2017 Agricultural Science (Practical) Answers – May/June Expo

Waec 2017 Agric Practical Answers – May/June Expo

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ai)
i)Nitrogen
ii)Potassium
iii)Phosphorus

1aii)
i)ring method
ii)side placing
iii)broad casting

1bi)
i)Control pond algae
ii)It is used to Enrich compost
iii)It is used to Block and control garden pests.

1bii)
i)For neutralizing and reduce soil acidity
ii)It helps in freeing up soil minerals, and making them available
for absorption into the plant
iii)It is used for reducing water acidity

1c)
i)it increase organic content of the soil
ii) it increase soil structure
iii) it increase soil perforation
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2ai)
SPECIMEN I
i)it is used for carring farm produce
ii)it is used for carring farm input eg fertilizer

SPECIMEN J
i)it is used to sharpern edges of cutlass
ii)it is used to straghten rough edge of farm tools

2aii)
i)store in dry and clean environment or place
ii)wash and clean it after used

2bi)
i)sp K- Elaeis guineensis
ii)sp L- Gossyplum spp

2bii)
palm oil is extracted/gotten from palm fruit that is collected from the farm after collection the palm fruit seeds are removed from the bunch of the palm fruit,the seeds are then heated locally to soften the seed and fibre,it is then passed using a prossing machine or grounded using a locall morter,the seed fibre and oil are then seperated and the oil is heated to satisfaction
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3ai)
Stunted growth
Galls on leaves
-It causes diseases to crops
-It decreaases the farm yield

3aii)
-Spray with insecticides
-Uproot and burn infected plants

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3bi)
i)It helps to Fix atmospheric nitrogen to the soil.
ii)It to control erosion on the soil

3bii)
-Pod borers
-Bean beetle
-Leaf hoppers

3c)
i)It is used for food by man
ii)It is used for making livestock feed
iii)It is used for making edible oil for cooking
iv)The shell is used for making fire
v)It is used as raw materials for industries

3d)
i)sp Q – vigna unguiculata
ii)sp R – cocos nucifera
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4ai)
Three breeds of farm animal which produce T are
Brown leghorn
White leghorn
Rhoda island red

4aii)
It is a source of protein to feed of livestocks
It is a source of protein to man
It is a source of income to breeders when sold
It is a source of calcium to poultry

4bi)
It can be harvested by using fishing net
It can also be harvested by using hook and line

4bii)
Oil
Bone
Scale

4biii)
Sundrying
Smoking
Salting
Canning
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