NECO 2020 BIOLOGY PRACTICAL DIAGRAM ANSWERS
Here are clear detailed diagram answers for biology practical.
BIOLOGY PRACTICAL SPECIMEN
SPECIMEN A = Yam tuber(Fresh)
SPECIMEN B= Cassava tuber(Fresh)
SPECIMEN C= Quadrat
SPECIMEN D= Insect net
SPECIMEN E= Rain gauge
SPECIMEN F=Rice grain(paddy)
SPECIMEN G= Dry groundnut seeds
SPECIMEN H= contour feather
SPECIMEN I= Quill feather
SPECIMEN J= Filoplume
SPECIMEN K= Millipede
SPECIMEN L= Centipede
SPECIMEN M= Grasshopper
SPECIMEN N= Spider
SPECIMEN P= Larva(mosquito)
SPECIMEN Q= Flame of the forest flower(Flamboyant)
SPECIMEN R= Hibiscus flower.
Specimen; A is yam tuber
Specimen; B is cassava tuber
Specimen; C is quadrant
Specimen; D is insect net
Specimen; E is rain guage
Specimen; F is rice grain
Specimen; G is dry groundnuts seed
Specimen; A is propagated from small tubers
Specimen; B is propagated by stem
Specimen; F is propagated by seeds
Specimen; C is used for for study of the distribution of an item over a large area.
Specimen; D is used for prevention against insects
Specimen; E is used to measure the precipitating rain
Diagram of insect net.
(i)The surface of B turn blue-black
(ii)starch is present
Specimen; F grains (cereals)
Specimen; G puises (legume)
(i)The paper appears translucent
(ii) Specimen; G contain fat and oil or fat and oil is present in specimen G
Fat and oil
Specimen; H is contour feather
Specimen; I is quill feather
Specimen; J is Filoplume
Specimen; K is millipede
Specimen; L is centipede
(i)They provide insulation to birds
(ii)Feathers allow for flight
(iii)Feathers are used for defense
(iv)Feathers are used for camouflage
Diagram of specimen I.
(i)Specimen; H serve as aerodynamic
devices for flight
(ii)Specimen; J are used principally as insulation, to conserve body heat.
Specimen; K belong to the class Diplopoda
Specimen; L belong to the class Chilopoda.
In tabular form
(i)millipedes are more rounded.
(ii)Millipedes have two sets of legs per segment positioned directly under their body.
(i)centipedes have a flatter body
(ii)Centipedes have one set of legs per segment positioned on the side of their body.
Specimen; M is Grasshopper
Specimen; N is spider
Specimen; O is Larva (house fly)
Specimen; P is Larva ( mosquito)
Specimen; Q Flame of The forest flower
Specimen; R hibicuss flower
(i)Specimen; M belongs to Insecta
(ii)Specimen; N belongs to Arachnida
(i)Specimen; N has four pairs of legs (eight total).
(ii)N has also have two additional pairs of appendages.
(iii)Specimen; N do not have antennae or wings.
Specimen; O is Leftovers foods
Specimen; P is stagnant water
Diagram of specimen Q.