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Biology · May / June 2025 · Paper 42 · Question 4

0610

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The question as text

Xerophytes are plants that show adaptive features for dry habitats.

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  • 4(a)[2]

    inherited ;

    survive (and) reproduce / breed / produce offspring ;

  • 4(b)[2]

    any two from:

    curled / rolled, leaf ;

    inner surface is folded ;

    hairs / AW ;

    few / sunken, stomata OR stomata in, pits / AW ;

    thick cuticle ;

  • 4(c)(i)[1]

    0.001276 / 1.276 × 10–3 (mm) ;

  • 4(c)(ii)[1]

    cellulose ;

  • 4(c)(iii)[1]

    any one from:

    swollen / thick (stem) OR water storage / succulent ;

    chloroplasts / site of photosynthesis ;

    thick (waxy) cuticle ;

    AVP ;

  • 4(d)[3]

    any three from:

    species 1:

    1

    roots, shallow / close to the surface OR spread, out(wards) / over a wide area (of the soil surface) ;

    2

    to absorb water immediately after rainfall / from the (soil) surface ; species 2:

    3

    deep / long (vertically), root ;

    4

    to absorb, ground / deep, water (in the soil) ;

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