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Thursday, June 15, 2017

2017/2018 NECO Agricultural Science Practical Answers



1)
A- secateurs
B- shears
C- millet
D- head pan

(1b)
i)both have two sharp blades
ii)both are used for cutting
iii)both are first class levers

(1c)
i) keep in cool and dry place
ii)cleaning it regularly
iii)spray light oil on areas prone to rust

(1di)
i)it has two hands for lifting it
ii)it comprises a round container like bowl

1dii)
A- used for cutting the stem of plants and branches of small trees.
B- used for trimming plants
C- for carrying agric products or seeds in the farm


2a)
E - Dried clay soil
F - Dried Loamy Soil
G - Dried Sandy Soil
H - Earth worm

2b) Specimen E
- feel smooth when rubbed btw finger and thumb
- dense

2bii) Specimen F
- darker in colouration
- less dense than clay soil

2c)
- Addition of organic matter
- addition of fertilizer
- constant watering

2d) Specimen H
- it's burrow create pores through which oxygen and water can
enter and Co2 can leaves the soil.
- it's faeces improve the soil structures

2e)
- Potato
- Lettuce


3)
I - Banana sucker
J - Oil palm seeding

3b)
I - used for transplanting (Not grown in beds)
J - Grown in beds & then transplanted

3c)
I - Musa Species
J - Elaeis guineasis

3d)
I - By division (Ie vegetative propagation)
J - By seed

3e)
Specimen J: can be raised in a nursery

3f)
- It has wider leave
- stem of I is soften

3g)
- Store produce from I at room temperature

3h)
- Skipper butterfly
- Spider mite

3i)
- Basal stem root


4a)
K-meat
L-guinea grass
M-round worm

4bi)
source of protein in food

4bii)
source of revenue

4ci)
chicken

4cii)
mutton

4di)
application of potash

4dii)
cutting down plants which shade them

4ei)
cutting

4eii)
foraging

4fi)
M-they feed on fleas,termites and many others that could damage crops

4fii)
M-help in cycling nutrients such as nitrogen

4gi)
avoid grazing on pastures and areas with large population of the worm

4gii)
ensure proper sanitation of the environment




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