FREE BIOLOGY ANSWER

*WAEC 2018 BIOLOGY PRACTICAL ANSWERS*

1ai)
A- water
B- decaying plant and animal matter
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1aiii)
A) A phylum is Artropoda, class is insecta
B- phylum is Artropoda, class is insecta
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1b)
A)
i) well developed head with mouth brushes
ii) on large thorax with no legs
iii) segmented abdomen

B)
i) reduced head
ii) legless
iii) mouth parts at the pointed end
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(4)
(ai) Sepals, Petals, Carpels and Stamens
(ii) Sepals – 5
(iii) Petals – 5
(iv) Carpels – 1
(v) Stamen – 10

(4bi) Sex – monoecious
(ii) presence of both Carpels and Stamens

(4c)
i – Bilateral
ii – it can be cut vertically into two similar halves through one plane

(4d)
K – insect
L – wind

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