Waec May/June 2019 Biology, Chemistry, Agric & Physic Specimen

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Waec May/June 2019 Biology, Chemistry, Agric & Physic Specimen
  • WASSCE 2019 SPECIMEN




    2019 WAEC SPECIMEN 2019 WAEC SPECIMENS ON BIOLOGY
    Group I ( For all candidates)

    Specimen A – Fresh/wet preserved mosquito
    larva in a petri dish containing water.
    Specimen B – Fresh/wet preserved maggot in a
    petri dish containing water.
    Specimen C – Gill of fish (freshly procured) in a
    petri dish containing water.
    Specimen D – Lung of a small mammal(freshly
    preserved).
    Specimen E – Dicotyledonous leaf (freshly
    plucked).
    Specimen F – Membranous wing of a cockroach.

    Group III (For candidates in Nigeria and the Gambia only)

    Specimen K – Flower of pride of Barbados or
    caesalpinia
    Specimen L – Mature Elephant grass or Guinea
    grass.
    Specimen M – Flower of Hibiscus plant.
    NB:
    (i) All specimens can be provided as group
    specimens for five(5) to ten(10) candidates.
    (ii) All specimens in each group must carry
    individual labels (Eg A, B, C, D, E and F in Group I)
    + It is essential that each candidate should be
    provided with the following materials;
    (i) glass jar cover or petri dish,
    (ii) a beaker containing water,
    (iii) a pair of forceps,
    (iv) a hand of lens/magnifying lens,
    (v) scalpel OR razor blade/knife

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    2019 WAEC SPECIMEN | 2019 WAEC SPECIMENS PRACTICALS ON CHEMISTRY

    + In addition to the fittings and reagents normally
    contained in a chemistry laboratory, the following
    apparatus and materials will be required by each
    candidate:
    (a) One burette of 50cm³ capacity;
    (b) One pipette, either 20cm³ or 25cm³. All
    candidates at one centre must use pipettes of the
    same volume. These should be clean and free
    from grease.
    (c) The usual apparatus for Titration;
    (d) The usual apparatus and reagents for
    qualitative work including the following with all
    reagents appropriately labelled.
    (i) Red and blue litmus paper,
    (ii) aqueous ammonia,
    (iii) dilute hydrochloric acid,
    (iv) dilute sodium hydroxide solution,
    (v) barium chloride solution,
    (vi) dilute trioxonitrate(v) acid,
    (vii) silver trioxonitrate(v)solution,
    (viii) Lime water
    (e) glass rod;
    (f) filtration apparatus,
    (g) spatula,
    (h) two boiling tubes,
    (i) four test tubes,
    (j) wash bottle containing distilled/deionized
    water,
    (k) mathematical table/calculator.

    + Each candidate should be supplied with the
    following, where ‘n’ is the candidate’s serial
    number.

    (a) 150cm³ of potassium tetraoxomanganate
    (VII)solution in a corked flask or bottled labelled
    ‘A’n. These should all be the same containing 7.7g
    of KMnO4 per dm³ of solution.
    (b) 150cm³ of iron(II)chloride solution in a corked
    flask or bottle labelled ‘Nn’. These should all be
    the same containing 19.1g of FeCl2 per dm³ of
    solution.


    NB- FeCl2 solution should be freshly prepared.
    – Each candidate should be provided with 150cm³
    2M H2SO4.
    (c) One spatulaful of copper(II)chloride in a
    specimen bottle labelled ‘Cn’ and one spatulaful of
    ammonia carbonate in a specimen bottle labelled
    ‘Dn’.






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    2019 WAEC SPECIMEN | 2019 WAEC SPECIMENS PRACTICAL ON PHYSICS

    Question 1
    Pendulum Bob;
    Retort stand and clamp;
    Thread;
    Stopwatch/clock;
    Metre rule.
    Question 2
    Ray box with illuminated object(cross wire);
    Convex lens(f = 15cm)
    Screen;
    Metre rule;
    Lens holder.
    Question 3
    Potentiometer/metre bridge;
    Dry cells(1 pair = 2×1.5v);
    Ammeter(0 – 3A);
    Resistor P = 1ohms(value concealed);
    Key;
    Jockey/crocodile clip;
    Seven connecting wires.



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    2019 WAEC SPECIMEN | 2019 WAEC SPECIMENS ON AGRIC SCIENCE
    LIST OF SPECIMEN:
    A: Axe
    B: Spade
    C: Sickle
    D: Hand trowel
    E: Shears
    F: Hand fork

    For specimens G , H and I , you are requested to
    get some quantity of Sandy soil. Divide the
    quantity of Sandy soil into three portions.
    Wash the first portion which is to be labelled G
    with a neutral solution(water) until the soup is
    neither acidic nor alkaline then air-dry the soil.

    To the second portion which is to be labelled H ,
    add some quantity of Hydrochloric acid(HCL) and
    air-dry.
    To the third portion which is to be labelled I , add
    some quantity of sodium Hydroxide(NaOH)
    solution and air-dry.
    Then supply to each candidate, samples of
    specimens G , H and I each in a beaker, some
    quantity of water, blue litmus paper, red litmus
    paper and a
    stirrer.


    J: Maize grain damaged by weevils
    K: Yam tuber damaged by yam beetles
    L: Cassava leaves showing mosaic disease
    symptoms
    M: Tomato fruits showing fruit rot symptoms
    N: Liver fluke(preserved/picture/diagram)
    O: Tick
    P: Trypanosome parasite(diagram/picture)
    Q: Rat
    R: Bird
    S: Grass Hopper


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