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Author Topic: 2019/2020 WAEC BIOLOGY Questions And Answer Expo/Runs free  (Read 4020 times)

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Offline JEFFREY96

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2019/2020 WAEC BIOLOGY Questions And Answer Expo/Runs free
« on: April 25, 2019, 08:24:33 pm »
Real 2019/2020 WAEC BIOLOGY Real Questions And Answers  Expo Runs Runz
====================
*Friday, 26th April, 2019*
Biology 2 (Essay) – 9:30 a.m. – 11:10 p.m.
Biology 1 (Objective) – 11:10 a.m. – 12:00 p.m.
====================

Like CLICK HERE for the QUESTIONS & ANSWERS.

NOTE: Only for Earlyfacians!! Goodluck



_BIOLOGY OBJ_*

01-10:CBABBACABC

11-20:CDBCACDDBB

21:30:DCCDDBCADB

31-40:DBADDAACDC

41-50: ACDDABDCDB

(1ai)
TABULATE:
ORAGNISM |RESPIRATORY SURFACE
Tadpole  |Skin
Cockroach|Trachea
Domestic fowl|Lungs
Talinum  |Stomata
Earthworm|Skin
Amoeba   |Cell membrane

(1b)
(i) Large surface area
(ii) Thin respiratory surface
(iii) Moist surface
(iv) Efficient transport system.
(v) Permeability

(1c)
Draw
   
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    Offline Nnenachukwu

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    Exam have started

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    Offline JEFFREY96

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    *_SECTION A_*
    *(Answer ONLY TWO Questions)*


    (1ai)
    *_TABULATE:_*
    ORAGNISM |RESPIRATORY SURFACE
    Tadpole |Skin
    Cockroach|Trachea
    Domestic fowl|Lungs
    Talinum |Stomata
    Earthworm|Skin
    Amoeba |Cell membrane
    (1b)
    (i) Large surface area
    (ii) Thin respiratory surface
    (iii) Moist surface
    (iv) Efficient transport system.
    (v) Permeability
    (1c)
    _*Draw*_
    *===============================*
    (2ai)
    Meat type A and meat type D
    (2aii)
    They contain the lowest fat content.
    (2bi)
    Meat type C and meat type D.
    (2bii)
    -Proteins give energy.
    -Strengthens muscles.
    (2ci)
    A, C and D
    (2cii)
    A person deficient in protein suffers kwashiokor. Hence a diet with high content in protein is needed.
    (2di)
    Meat type D
    (2dii)
    Meat type F
    (2e)
    Carbohydrate.
    (2f)
    (i) for energy and heat to keep the body warm.
    (ii) They are used as insulators to nerves and cell membranes.
    (iii) Formation of cell membranes.
    (2g)
    Drop the meat on a white paper observe the meat against a source of light, the far part becomes more translucent
    *===============================*
    (3a)
    *_TABULATE_*
    *Under PARASITISM:*
    -Mistletoe and cacao plant.
    -Tapeworm in the gut of humans.
    -Lichen
    *Under MUTUALISM:*
    -Cattle and white egret.
    -Flowers and honeybee
    *Under COMMENSALISM:*
    -Remora and shark.
    (3bi)
    (i) They have strong suckers and hooks.
    (ii) They have large surface area for absorptions of nutrients.
    (iii) They have thin and flattened shape.
    (3bii)
    *[Pick any Two]*
    (i) They have blood loss.
    (ii) They cause diarrhoea.
    (iii) They cause severe loss of weight.
    (3ci)
    Saprophytes are mainly non-green plants which do not have chloroplasts and therefore cannot manufacture their own food.
    (3cii)
    *[Pick any Four]*
    (i) Rhizopus
    (ii) Mushroom
    (iii) Mucor.
    (iv) Agaricus
    (v) Yeast
    ================================
    *SECTION B*
    *_(Answer Only ONE Questions)_*
    (6ai)
    The enormous energy of lightning breaks nitrogen molecules and enables their atoms to combine with oxygen in the air forming nitrogen oxides. These dissolve in rain, forming nitrates, that are carried to the earth.
    (6aii)
    This organism oxidizes ammonia into nitrite as a metabolic process. Nitrosomonas are useful in bioremediation. They are important in the nitrogen cycle by increasing the availability of nitrogen to plants while limiting carbon dioxide fixation.
    (6aiii)
    Azotobacter helps to synthesizes some biologically active substances, including some phytohormones such as auxins, thereby stimulating plant growth.
    (6b)
    (i) Malphigan tubule
    (ii) Nephridium
    (6c)
    (i) Hepatitis: This is a liver disease defined as inflammation of the liver. It may occur as a result of viral infection or toxic substances like poisons or drugs. This disease makes the liver unable to perform it's functions properly.
    (ii) Kidney stones: This is caused by diseased growth in the kidneys within the tubules. This growth narrows rye tubules preventing free flow of urine. It most causes complete blockage of. Urine results.
    (6di)
    (i) It makes the system insensitive.
    (ii) It Mars the protective role of the system.
    (iii) Temperature will be poorly regulated.
    (6dii)
    (i)Cornified layer.
    (ii)Granular layer.
    (iii)Malphigean layer.
    (6ei)
    Metamorphosis is the series of gradual changes of forms and shape of insect from the fertilized egg to adult.
    (6eii)
    Grasshopper - Incomplete
    Cockroach - Incomplete
    Butterfly - complete
    Mosquito - complete
    Housefly - complete
       
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    Offline Anokye Frederick

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    Please the objectives

    Offline Anokye Frederick

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    Offline Yonnie

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    Offline ellah

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    *IGBO*
    (4a)
    Ngwaa bu mkpuruokwu na-agwa anyi ihe mkpoaha di n'isiahiri mere, maobu ihe o ka ga-eme.

    (4bi)
    Isingwaa bu ya bu mkpuruokwu bu o kwuru ihe ndi ozo e wee gbapenyewezie ya n'ahu wee gbatia ihe a na-ekwu, nghota e wee diwanye karia.

    (4bii)
    Nyemakangwaa bu kpuruasusu anyi nwere na'asusu igbo izugbe na enyere ngwaa aka na-eme maobu ihe ga eme. A na-eji akarauhie wee na-ejiko ha na mmekangwaa onu iji mee ka ha buru nyemakangwa, ha bu: "na" na "ga".

    (4biii)
    Infinitiiv maobu ndikangwaa bu mkpuruedemede igbo a gbakwunyere n'isingwaa na-aru oru dika nganiihu. A na-agbasokwa iwu ndakorita udaume oge a na-agbakwunye ha n'isingwaa. Omumaatu: i+kpo = ikpo(to carry)

    (4biv)

    (4c)
    (i) Ebee - nyemakangwaa
    (ii) rie - ngwa
    (iii) Osooso - nyemakangwaa
    (iv) Tufia - mkpu
    (v) m - nnochiaha

    Offline ellah

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    *Igbo*
    8a)
    Akubuzo kwuru si na onye amuma anaghi adi ire
    n'ala be Nna ya.
    8b)
    Akubuzo mere Nke a Iji gbochie umu Odigo ya
    izu ya ohi.
    8c)
    - Ahuhu o tara oru ubi ya.
    - O naghi eri ego ya.
    - O naghi Eyo Ezigbo uwe.
    - O naghi eziputa ihe o koro na ubi.
    - O kweghi anu Nwaanyi.
    8d)
    - Aghara ndu kpaa aku ndi iro erisia ya.
    - Mmechapuaka na-emepe Uzo.
    - Ihe obula Onye na-ese ya kwube ya olu Maka
    echi di ime
    6a)
    i) O gwara ya ka o ga gbaa ubi ahu ogige
    ghurugburu, tinye ya nani otu ohgere, na otu
    akuku ebe anu ohia ndi ahu nwere ike isi wee
    piobata na aguu na-agu ha
    ii) O gwakwara nwoke ahu ka o tinyekwa onu uzo
    a na-emeghe eme, na emechikwa emechi o ga-
    esi na-abanye ubi ya mgbe obula o choro
    iii) O gwakwara ya na o bu otu anuohia na
    nwunye ya na-abia akpa mkpamkpa ahu
    6b)
    i) Ele gwara nwuye ya ka ha laa mana nwunye ya
    juru aju.
    ii) Ele gwara nwuye ya ka o kee mkwucha n'ihi
    na o bu nani otu oghere ahu ka ha nwere ike isi
    laa ma ihe oso mee.
    iii) Ele gwakwaaziri ya isi ha tatu, tatu, ka ha
    gaa lee ma afo ha o ga ekwekwa gafee ngwa
    ngwa n'oghere ahu ma ihe oso mee
    6c)
    Ihe Ele tiri mgbe o huru ozu nwunye ya bu: "Ele
    wee tie Mkpu si, afo ekweghi ukwu zuru Ike.
    6d)
    i) Akuko a na-akuziri anyi na ihe o bula na-ato
    uto na-egbukwa egbu.
    ii) O na-akuziri anyi na mmadu kwesiri ige di ya
    nti mgbe o bula o gwara ya Okwu.
    iii) O na akuziri anyi na akpiri ogologo adighi
    mma
    11a)
    Ogbanje bu mmadu igba uwa nje maobu igba
    uwa uno
    11b)
    i) Ogbanje ulo
    ii) Ogbanje mmiri
    iii) Ogbanje ukwu osisi
    iv) Ogbanje ukwu osisi
    11c)
    i) Ha na- aria oke oria karia okuko udummiri
    ii) Ejiji ha na- apukari iche n' ebe nke ihe ha di,
    dika iyikari ihe mmemme obara obara
    iii) Ha na ebu akara e nyere ha n'ahu mgbe ha
    nwuru wee loghachikwa uwa ozo
    iv) Ha na aga n'uzo ha a na ekwu okwu
    2a)
    Olilo udaume bu otu udaume ime ka udaume
    nodebere ya yie ya na mkpoputa mkpuruokwu
    abuo nodebere onwe ha


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