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Biology · Oct / Nov 2025 · Paper 41 · Question 4

0610

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The question as text

Fig. 4.1 is a photograph of a bee on a flower. One of the bee’s legs is covered with pollen. pollen Fig. 4.1

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  • 4(a)(i)[3]

    any three from:

    scent ;

    nectar ;

    large / colourful, petals ;

    pollen (as a source of food) ;

    AVP ;

  • 4(a)(ii)[1]

    any one from:

    large ;

    sticky / spiky / AW ;

  • 4(b)[2]

    any two from:

    (monocots have)

    narrow / strap / long/AW, leaves ;

    parallel (leaf) veins ;

    scattered vascular, tissue / bundles, (in the stem) ;

    hollow stems ;

    petals in multiples of three ;

    fibrous roots ;

    one cotyledon ;

    pollen grains have one pore or furrow ;

    AVP ;;

  • 4(c)[3]

    filament labelled ;

    sepal labelled ;

    an ovule labelled ;

  • 4(d)[5]

    any five from:

    1

    pollen (released) from the anther ;

    2

    pollen transferred to stigma ;

    3

    pollen tube, grows ;

    4

    (pollen tube goes) down / through, the style ;

    5

    ref. to ovule / ovary ;

    6

    pollen / male, nucleus travels down the (pollen) tube / style ; 7

    pollen / male, and, ovule / female, nuclei fuse ;

    8

    fertilisation ;

    9

    AVP ;

  • 4(e)(i)[1]

    sperm (cell) ;

  • 4(e)(ii)[1]

    testis / testes ;

  • 4(e)(iii)[1]

    meiosis ;

  • 4(e)(iv)[1]

    make fluid / semen, for the sperm / male gametes, to swim / AW ;

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