2019 Biology Practical Expo | Questions and Answers
2019 NECO GCE BIOLOGY PRACTICAL ANSWERS ================================ (1a) A – Tilapia fish B – Frog C – Lizard D – Bird (1aii) A – Pisces B – Amphibia (1aiii) I – Lateral lines II – Pectoral fin. III – Tympanum IV – Digits v – Tail VI – Unwebbed digits. VII – Beak VIII – Eye (1aiv) II – For movement and balance. III – For hearing. IV Movement/crawling. VI – Crawling. VII – For Feeding. VIII – For Seeing (1av) Under B (i) It lives in water and in land. (ii) It possesses beak. (iii) Presence of long legs. (iv) Absence of scales on legs. Under D (i) It lives on trees. (ii) Absence of beak. (iii) Absence of long legs. (iv) Presence of scales on long legs ================================ (2ai) I – Funnel II – Cotton wool III – Beaker (2aiii) X = 50 – 35 = 15cm² Y = 50 – 22 = 28cm² Z = 50 – 15 =35cm² (2aiii) X – Sandy soil Y – Loamy soil Z – Clay soil (2aiv) Ha: (i) Large soil particles. (ii) Large pore spaces. Hb: (i) Moderate particle size. (ii) Moderate pore space. Hc: (i) Small or fine particle size. (ii) Little pore spaces. (2av) Experiment on water retention capacity of soil. (2bi) Lowest – January Highest – September (2bii) (i) June (ii) July (2biii) 32 + 32 = 64cm² (2biv) (i) Osun (ii) CrossRiver (2bv) Tropical rainforest ================================ (3ai) J – coconut fruit K – tomato fruit L – Oil bean (3aii) J – Man K – Animal L – Wind (3aiii) I – Seed II – Fibrous mesocarp III – Seed IV – Exocarp V – Fruit stalk VI – Placenta (3bi) M – Housefly. N – Tick (3bii) M – insecta N – Arachnida. (3biii) In a tabular form Under M (i) Three pairs of walking legs are present. (ii) APossession of compound eye (iii) The body is divided into head, thorax and abdomen. Under N (i) Presence of four pairs of walking legs. (ii) Possession of simple eye (iii) The body is divided into head and cephalothorax ================================ (4i) E– Butterfly net F– thermometer G– Gas jar 4 (ii) E –it is used in trapping fishes F– it is used in measuring temperature G– it is used in collecting gassesCategories: NECO SSCE Syllabus Questions
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