AGRIC PRACTICAL
ANSWERS.
(1ai)
A: calcium
B: protein
(1aii)
A:
-it provides support for animals
-it gives shapes to animal
-it is essential in storage of nutrient
B:
-animals use it for defence
-it enhance the appearance of animals
-it is used in decorating homes
C:
-it is used to attack
-when decay, it turns to manure
-for manufacturing of guns and buttons
(1bi)
-it is used by crops for normal growth
-it is consumed by man and animals, therefore
it is essential for body growth
(1bii)
-it prevent erosion and leaching
-it adds nitrogen to the soil through bacteria
(2a)
G: Ageratum onizoids
H: Sida acuta
I: Imperata cylindara
J: Pennisetum purpureum
K: Boerhavia diffusa
(2b)
I:
-it resist burning because it posseses
succulent rhizomes which have high water
content located underground.
J:
it germinates more during the rainy season
and the seeds remain intact during the dry
season
K:
it has a high resistivity to drought and even
during dry season, they still germinate
(2c)
-they are consumed by livestock
-they can be used for medicinal purposes
(2d)
-they can b consumed by livestock
-they can b used as compact materials
-they can be used for medicinal purposes
-they serve as manure
-they are weeds
3a)
P:
-to indicate light in the farm house
-to create heat for the young chicks
Q:
-for digging the soil
-for loosening of the hard p soil
R:
-for transplanting of seedling
-for weeding nursery beds
(3b)
-wear and tear during friction
-rusting of the metal part
-blockage of the pipe for spraying.
(3c)
-protective gloves
-overall rain coat/jacket
-nose guard
(3d)
-store in cool and dry places after use
-replace any damage parts when required
-clean and wash after use
WAEC 2016 AGRIC SCIENCE SPECIMENS SOLUTIONSP A- RANGING POLEReason.(i) it is made of wood with pointed steel ends.(ii)it is painted white and red.(iii)it is about 2m long.Uses.(I) it is used to remark distance .(ii)it is used to mark definite points.(iii)it is used to achieve straight lines.(iv)it can also help to determine right angles during surveying.Maintenance.(i)clean thorI oughly after used.(ii)keep away from moisture.(iii)keep away from termites
SP B-SURVEY PINSReasons.(I)it is thin and pointed metals.(ii)one end is curved into a ring.(iii)A red colour cloth is attached to it.Uses.(i)it is used for marking of chain length during chaining.(ii)it may be used for marking stations.Precautions/maintenance.(i)it should be clean properly after used.(ii)it should be stored in a good place.(iii)it should be kept away from moisture.
SP C-MEASURING TAPE.Reasons.(i)it is made of steel.Uses.(i)it is used for measuring short distances.(ii)it is more accurate than gunter's chain. Precautions/maintenance.(i)clean properly after used.(ii)dry properly to avoid rust.(iii)it should be kept away from moisture.(iv)store in good place.
SP D-WHEEL BARROWReasons.(I)it has only one tyre at the front.(ii)it has two handles.(iii)it has a basin-like material at the center.Uses.(i)it is used for packing harvested crops.(ii)it is used for packing manure andfertilizer.(iii)it is used for packing rubbish from farm.(iv)it can be used for keeping other tools.(v)it can be used during transplanting.Precaution/maintenance.(i)wash and dry thoroughly after used.(ii)tight the wheel regularly.(iii)keep away from moist to avoid rust.
SP E-SICKLE.Reasons.(I)it has a question mark shape.(ii)it has a metal blade.(iii)it has a metal wooden handle.(iv)it is very short.Uses.(I)it is used for harvesting rice and wheat.(ii)it is used for cutting grasses used for feeding animals(forage).(iii)it is used for harvesting fruit(cocoa).Precautions/maintainance.(I)sharp properly when blunt.(ii)keep properly from termites.(iii)dry properly to avoid rust.(iv)keep in dry place after used.
SP E-HAND TROWEL.Reasons.(i)it has a curved blade.(ii)it had a wooden handle.(iii)it is short.Uses.(i)for transplanting seedlings.(ii)for planting of seed.(iii)it can be used for shallow digging.(iv)it is used for mixing manures.(v)it can be used for minor weeding.Precautions/maintenance.(i)wash and clean properly after used.(ii)dry properly after used.(iii)keep away from termites.
SP G-GRASSHOPPER.Agricultural importance of sp-G(i)reduces the market value of crops.(ii)it causes low yield of crops.(iii)it reduces photosynthesis by defoliation.(iv)it retards growth of plants.(v)it opens up wounds for the entry of diseases organism.(vi)it increase cost of production.(vii)it reduces the nutritional values of crops.Control of sp-GI.hand pickingii. Use of insecticidesiii. Use of crop rotationiv. Bush burningv. Regular weeding and proper sanitation.
SP H-BEAN WEEVIL.Agricultural importance of sp-Hi. It reduces the market value of crops.ii. It lead to loss in viability.iii. It reduces the quality of bean.iv. It reduces the quantity of the crops.v. It destroy the beab embryo.vi. It reduces nutritional value.Control of sp-H.i. Thresh as soon as harvested.ii. Ensure hygienic storage.iii. Fumigate with phosphine under gas-proof sheet.
SP I-BIRD.Economic/Agricultural importance.i. It destroy crops.ii. It eats up crop fruits.iii. It reduces the market value of cropsiv. It reduce the qualities of crops.v. It reduces the quantity of crops.Control of sp-II. The use of bird scaring.ii. The use of traps.
SP J-RATImportance/Uses.i. It destroy both field and store products.ii. It eats up tubers, roots and seeds.iii. They cause damage to crops.
WAEC 2016 AGRIC SCIENCE PRACTICAL ANSWERS

SP A- RANGING POLE
Reason.
(i) it is made of wood with pointed steel ends.
(ii)it is painted white and red.
(iii)it is about 2m long.
Uses.
(I) it is used to remark distance .
(ii)it is used to mark definite points.
(iii)it is used to achieve straight lines.
(iv)it can also help to determine right angles during surveying.
Maintenance.
(i)clean thoroughly after used.
(ii)keep away from moisture.
(iii)keep away from termites

SP B-SURVEY PINS
Reasons.
(I)it is thin and pointed metals.
(ii)one end is curved into a ring.
(iii)A red colour cloth is attached to it.
Uses.
(i)it is used for marking of chain length during chaining.
(ii)it may be used for marking stations.
Precautions/maintenance.
(i)it should be clean properly after used.
(ii)it should be stored in a good place.
(iii)it should be kept away from moisture.

SP C-MEASURING TAPE.
Reasons.
(i)it is made of steel.
Uses.
(i)it is used for measuring short distances.
(ii)it is more accurate than gunter's chain. Precautions/maintenance.
(i)clean properly after used.
(ii)dry properly to avoid rust.
(iii)it should be kept away from moisture.
(iv)store in good place.

SPECIMEN A, B, C ARE INSTRUMENT USE IN LAND SURVEY.

SP D-WHEEL BARROW
Reasons.
(I)it has only one tyre at the front.
(ii)it has two handles.
(iii)it has a basin-like material at the center.
Uses.
(i)it is used for packing harvested crops.
(ii)it is used for packing manure and fertilizer.
(iii)it is used for packing rubbish from farm.
(iv)it can be used for keeping other tools.
(v)it can be used during transplanting.
Precaution/maintenance.
(i)wash and dry thoroughly after used.
(ii)tight the wheel regularly.
(iii)keep away from moist to avoid rust.

SP E-SICKLE.
Reasons.
(I)it has a question mark shape.
(ii)it has a metal blade.
(iii)it has a metal wooden handle.
(iv)it is very short.
Uses.
(I)it is used for harvesting rice and wheat.
(ii)it is used for cutting grasses used for feeding animals(forage).
(iii)it is used for harvesting fruit(cocoa).
Precautions/maintainance.
(I)sharp properly when blunt.
(ii)keep properly from termites.
(iii)dry properly to avoid rust.
(iv)keep in dry place after used.

SP E-HAND TROWEL.
Reasons.
(i)it has a curved blade.
(ii)it had a wooden handle.
(iii)it is short.
Uses.
(i)for transplanting seedlings.
(ii)for planting of seed.
(iii)it can be used for shallow digging.
(iv)it is used for mixing manures.
(v)it can be used for minor weeding.
Precautions/maintenance.
(i)wash and clean properly after used.
(ii)dry properly after used.
(iii)keep away from termites.

SP G-GRASSHOPPER.
Agricultural importance of sp-G
(i)reduces the market value of crops.
(ii)it causes low yield of crops.
(iii)it reduces photosynthesis by defoliation.
(iv)it retards growth of plants.
(v)it opens up wounds for the entry of diseases organism.
(vi)it increase cost of production.
(vii)it reduces the nutritional values of crops.
Control of sp-G
I.hand picking
ii. Use of insecticides
iii. Use of crop rotation
iv. Bush burning
v. Regular weeding and proper sanitation.

SP H-BEAN WEEVIL.
Agricultural importance of sp-H
i. It reduces the market value of crops.
ii. It lead to loss in viability.
iii. It reduces the quality of bean.
iv. It reduces the quantity of the crops.
v. It destroy the beab embryo.
vi. It reduces nutritional value.
Control of sp-H.
i. Thresh as soon as harvested.
ii. Ensure hygienic storage.
iii. Fumigate with phosphine under gas-proof sheet.

SP I-BIRD.
Economic/Agricultural importance.
i. It destroy crops.
ii. It eats up crop fruits.
iii. It reduces the market value of crops
iv. It reduce the qualities of crops.
v. It reduces the quantity of crops.
Control of sp-I
I. The use of bird scaring.
ii. The use of traps.

SP J-RAT
Importance/Uses.
i. It destroy both field and store products.
ii. It eats up tubers, roots and seeds.
iii. They cause damage to crops.
iv. It increase the cost of production.
v. It reduces the quantity of crops.
vi. It reduces the market value of crops.
Controls.
I. Proper sanitation.
ii. Fencing of farmland.
iii. Use of traps.
iv. Use of chemicals.
v. Use of scaring materials.

SP K-FUR
Uses of sp-K to the animals
i. For protection.
ii. For insulation.
iii. For temperature regulation.
Importance of sp-K to man.
I. For making cloths.
ii. For making brushes.
iii. For making upholstery.
iv. It fetch income.

SP L-SKIN.
Uses/importance of sp-L
I. It is use for making shoe.
ii. It is used for making belt.
iii. It is used for making leather bags.
iv. It is used for making decoration and designs.
v. It yield income to farmers.
vi. It is used by the animals for protection.

SP M-HORN.
Uses.
I. It is use for making glue.
ii. It is used for making trumpets.
iii. It is used for making ornamentals.
iv. It is used for scratching.
v. It is used for defending and fighting.

SP N-BONE.
Uses.
I. It is use for making buttoms.
ii. It is used for making shoe soles.
iii. It is a good source of calcium and phosphorus.
iv. It is used for making ornamentals.
v. It is also used for making glue.
vi. It gives support to the animal.
vii. It gives shape to the animal.

SP O-EGG.
It is obtain from birds.
Uses/Importance of sp-O.
I. It serves as food.
ii. It is used for producing day old chicks.
iii. It can be sold to yield income.
iv. It is used as vaccine.
v. It is used by the hen as reproductive cell for the chicks.

Production of Egg.
The ovary produces the ripe yolk containing the germ. The infundibulum received the yolk and store sperm to fertilize the yolk. The magnum then secret the albumen. The egg moves to the ishmus where the membrane is secreted. The uterus secret the shell. The egg is then push into the vagina which store egg temporally before it is laid.

SP P-ROUNDWORM
The common name: Ascaris lumbricoides.
Economic importance.
i. It causes damages to the liver and lung.
ii. It causes loss of appetite.
iii. It causes weakness and retarded growth.
iv. It may cause pneumonia.
v. It my lead to death.

Control.
i. Proper sanitation.
ii. Practise rotational grazing.
iii. Deworming of livestock's.

SP Q-TICK(Beophilus spp)
Agricultural importance.
I. It increases the cost of production.
ii. It open up wounds from where secondary infections can occur.
iii. Sucks blood from animals which causes anaemia.
iv. It transmit virus.
v. It reduce quality and market value of crops.
vi. It reduces production.
Control.
I. Keep animal clean always.
ii. Do not over crowd animals.
iii. Practice rotation grazing.
iv. Hand pick the parasite and destroy them.
v. Spray animals with pesticides.
Vi. Burn the pasture to reduce its population.

SP R-LOUSE.
common name: padiculus humanus.
Agricultural importance.
I. It causes anaemia.
ii. They keep animals restless.
iii. It leads low egg production.
iv. It reduces the qualities of animals
Controls.
I. Dust or spray animals with with appropriate insecticides.
ii. Hand picking.

SP S-TAPEWORM.
common name: Taenia solium.
Primary Host: Man
Secondary Host: Pig.
Agricultural importance/Economic.
I. It makes the animals dull and restless.
ii. It causes distended abdomen.
iii. It leads to anaemia.
iv. It result to loss of appetite.
v. It leads to stunted growth.
Control.
I. Ensure proper cooking of meat to kill the bladder worm.
ii. Proper disposal of human faeces.
iii. Use of prophylactic drugs.
iv. Rotational pastures.
v. Inspection of meat properly.

SP T-WATER LEAVES.
Reasons.
I. Presence of trifoliate leaves.
ii. Presence of fibrous root.
iii. Presence of soft stem.
Botanical Name: Talinum triangular.
Agricultural Importance.
I. It is eaten by man as vegetable.
ii. It is used as foliage for livestock.
iii. It reduces erosion.
iv. It also compete with crops for food and nutrients.
v. It is a source of protein to man.
vi. When decayed it adds manure to the soil.

SP U-GUINEA GRASS.
Botanic name: Panicum maximum
Mode of propagation: vegetatively.
Reason.
i. It is erecting.
ii. It is vigorous growing grass.
Agricultural importance:
i. For grazing by animals.
ii. For making silage or hay.
iii. It compete with crops for food and wat
AGRIC PRACTICAL
ANSWERS.
(1ai)
A: calcium
B: protein
(1aii)
A:
-it provides support for animals
-it gives shapes to animal
-it is essential in storage of nutrient
B:
-animals use it for defence
-it enhance the appearance of animals
-it is used in decorating homes
C:
-it is used to attack
-when decay, it turns to manure
-for manufacturing of guns and buttons
(1bi)
-it is used by crops for normal growth
-it is consumed by man and animals, therefore
it is essential for body growth
(1bii)
-it prevent erosion and leaching
-it adds nitrogen to the soil through bacteria
(2a)
G: Ageratum onizoids
H: Sida acuta
I: Imperata cylindara
J: Pennisetum purpureum
K: Boerhavia diffusa
(2b)
I:
-it resist burning because it posseses
succulent rhizomes which have high water
content located underground.
J:
it germinates more during the rainy season
and the seeds remain intact during the dry
season
K:
it has a high resistivity to drought and even
during dry season, they still germinate
(2c)
-they are consumed by livestock
-they can be used for medicinal purposes
(2d)
-they can b consumed by livestock
-they can b used as compact materials
-they can be used for medicinal purposes
-they serve as manure
-they are weeds
3a)
P:
-to indicate light in the farm house
-to create heat for the young chicks
Q:
-for digging the soil
-for loosening of the hard p soil
R:
-for transplanting of seedling
-for weeding nursery beds
(3b)
-wear and tear during friction
-rusting of the metal part
-blockage of the pipe for spraying.
(3c)
-protective gloves
-overall rain coat/jacket
-nose guard
(3d)
-store in cool and dry places after use
-replace any damage parts when required
-clean and wash after use.