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VERIFIED FREE 2016/2017 WAEC EXPO AGRIC PRATICAL QUESTIONS AND ANSWERS

Poster: alexical | Date: 7:51pm, 19th Apr 2016. | Views: 889 | 1 Replies
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alexical . Jalingo, Taraba
7:51pm, 19th Apr 2016.
WAEC 2016 AGRIC SCIENCE SPECIMENS
SOLUTION
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 thorI oughly 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.
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