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Neco biology practical expo 2020

Discussion in 'Education' started by Andy, Nov 13, 2020.

  1. Andy

    Andy Drug Lord Jr.Vip

    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
    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
    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

    (2bii) (i)Specimen; H serve as aerodynamic devices for flight (ii)Specimen; J are used principally as insulation, to conserve body heat.

    (2biii) Specimen; K belong to the class Diplopoda Specimen; L belong to the class Chilopoda. (2biv) In tabular form -Specimen; K- (i)millipedes are more rounded. (ii)Millipedes have two sets of legs per segment positioned directly under their body. -Specimen; L- (i)centipedes have a flatter body (ii)Centipedes have one set of legs per segment positioned on the side of their body.

    (3ai) 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.
    Last edited by a moderator: Nov 13, 2020

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