2015 Practical – Agricultural Science Real Neco Answers.

Agric practical solution.
1A.
Specimen A= mango drag
Specimen c B = rake
Specimen C = electric bulb
Specimen D = egg candler
1B.
Specimen A.
Specimen B =it is used for trilling and
cultivating
Specimen C = it is used in taking long or
short
distanced measurement of length and
breadth
Specimen D = it maintain the right
temperature
during incubation
1C.
– timely and regular turning of eggs
-setting eggs uniformly on the tray
1D.
1E.
– keep it in a dry cool place
– it must be clean after use
2A.
Specimen F = igneous rock
Specimen G = sedimentary rock
Specimen H = metamorphic rock
2B
Specimen F
– they are resistant to erosion and other
element of
climate
– they are usually very hard and imperious
Specimen G
– they contain fossils of plants and
animals
– they occur in layers or strata or sheets
Specimen H
– they exist in different color and texture
– they are non-crystalline in structure
2C.
-construction purpose
-sources of plant nutrients
– formation of soil
-erosion control
2D
Sedimentary rocks are formed from
sediments
deposited either by water, by wind or by
ice. These
sediments are accumulated in layers or
strata, are
on top of the other and after a long
period of time,
they become hardened by compression to
form
sedimentary rocks.
3A.
Specimen I = cowpea
Specimen J = rice grain
Specimen K = bannana fruit
3B.
Specimen I
– nematode disease
– damping off disease
Specimen J
– rice smut
– rice blight
Specimen K
– bunchy top disease
-panama disease
3C.
Specimen I
– pod borers
– bean beetle (callesobruches spp)
Specimen J
– birds
– rodents
3D.
– use poison baits
– harvest ripe fruit early
4a.
Specimen L= goat’s skin
Specimen M= poultry egg
Specimen N= tick
Specimen O = blood meal
4B.
– it protect the livestock against internal
bleeding
– it acts as sources of protection to
livestock
4C
– it serves as sources of protein to man
– it also serves as a prayer materials
4D.
Protein
4E.
-it is used in the production of adhesives
-egg shell is a source of calcium in poultry
feed or
animal feed
4F.
– they cause great annoyance and
irritation to their
host
– injuries from their bites may become
ulcerated
wounds
– the loss of blood may lead to loss of
weight and
death of host animal
4G.
It is very high in protein content with a bit
of
minerals

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