NECO GCE 2016 Biology Objective/Theory Questions And Answers

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NECO GCE 2016 Biology Objective/Theory Questions And Answers
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    BIOLOGY OBJ BY NC GROUP


    1-10: AADEB6AEABC
    11-20: AEACBCBDAA
    21-30: DBCCAACBBC
    31-40: AACEAECADB
    41-50: ECACCEEADA
    51-60: BDBBBDBCAB



    BIOLOGY THEORY BY NC GROUP


    (1ai)
    Bone joint is a point where two bones meet

    (1aii)
    Dislocation is the process whereby a joint is
    being put out of ot its position

    (1aiii)
    Haemorrhage is when blood escapes from
    the ruptured blood vessel especially when
    profused

    (1bi)
    Arboreal animals are animals that live on
    trees with strong tails
    -They posses strong arms
    -They posses claws for good grip
    -They posses sticky feets
    -They posses small light bodies

    (1bii)
    -Tapeworm posses segement for absorbing
    via diffusion
    -They possses hooks for absorption
    -Their bodies are capable of absorbing
    digested foods
    -They can survive by producing alot of eggs

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    2a)
    -the mamalian blood helps to transport
    oxygen
    to all cells in the body
    -it also transports harmone from where it is
    secreted to the target organs
    -it helps in distributing heat uniformly to all
    flight disease causing organisms eg white
    blood cells
    -it transports digested food in soluble form
    to
    all parts of the body
    -it helps to fight disease causing organisms
    eg white blood cell

    (2b)
    (i)controlling body temperature

    (ii)supplying oxygen and nutrients

    (iii)removing waste

    (iv)assisting the immune system

    (v)transport hormones

    2aii
    1)In Male gamete: sperm is motile while IN
    FEMALE GAMETE sperm is not motile
    2)IN MALE GAMETE ;head is present while
    in FEMALE GAMETE head is not present
    3)IN MALE GAMETE tail is present while in
    FEMALE GAMETE tail is not present

    2bi)
    Pollination is the transfer of pollen grains
    from matured anther to stigma of the same
    or different flower.It can be self or cross
    pollination.

    2bii)
    Fertilization is the process by which male
    and female gamete fuse together to form
    zygote which develop into embryo

    2bii)
    Implantation is process by which an embryo
    is attached to the lining of the uterus

    2ci)
    Grasshopper
    I)It constitute nuisance to sight
    ii)it damages book

    Mosquito
    I)it is a vector of malaria parasite
    ii)The female added transmit the virus
    causing yellow fever

    ii)The female anlex mosquito transmit round
    worm which causes elephantiasis

    Termite
    I)It destroy wood
    ii)It serve as food in some places e.g Africa

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    (4ai)
    Conservation of natural resources refers to
    the sustainable utilization of natural
    resources, like soils, water, plants, animals,
    and minerals, timber, fish, game, topsoil,
    pastureland, and minerals, and also to the
    preservation of forests-forestry, wildlife-
    wildlife refuge, parkland, wilderness, and
    watershed areas.

    (4aii)
    Coagulation (also known as clotting ) is the
    process by which blood changes from a liquid
    to a gel, forming a blood clot . It potentially
    results in hemostasis , the cessation of blood
    loss from a damaged vessel, followed by
    repair. The mechanism of coagulation
    involves activation, adhesion, and
    aggregation of platelets along with
    deposition and maturation of fibrin.

    (4b)
    Malaria-
    Causative - Plasmodium
    Symptom - fever
    Control - cover drains
    Typhoid -
    Causative - salmonella typhi
    Symptom - continued fever
    Control - personal cleanliness
    Tuberculosis-
    Causative - mycobacterium
    Symptom- fever
    Control - Isolation of TB patients
    Common cold-
    Causative - Rhinovirus


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