2021 WAEC Biology Practical Specimen
WAEC Biology Practical-
Group 1 (For all candidates)
Specimen A – Cervical Vertebra of a mammal
Specimen B – Thoracic Vertebra of a mammal
Specimen C – Lumbar Vertebra of a mammal
For Specimens D, E F, and G, you are requested to get four 250ml beakers and Label them D, E F, and G.
Put dry garden soil into each beaker, up to 100ml level
Add 10ml of water to the soil in each of beakers D, E, and f.
Oven dries the garden soil in beaker G and leaves dry throughout the period of the experiment.
For Specimen D, put five viable bean seeds into the soil in the beaker labeled D.
For specimen E, soak five viable beam seeds in water for 2-3 hours, then remove the testa of the soaked bean seeds. Spilled open the cotyledon into the soil in the beaker labeled E.
For specimen F, place five bean seeds into the soil in the beaker labeled F and add some quantity of kerosene enough to cover the surface of the soil in the beaker.
For specimen G, add five dry and viable bean seeds into the soil in the beaker labeled G.
Place all the beakers in a place with adequate sunlight for seven days.
Moisten the soils in each of the beakers labeled D and E with 5ml of water daily for seven days before the examination.
Group II (For all candidates in Ghana only)
Specimen H: Cactus plant (freshly obtained)
Specimen J: Onion Plant (with leaves)
Specimen K: Green Grass ( freshly obtained)
Group III (For all candidates in Nigeria, Sierra Leone, The Gambia, and Liberia only)
Specimen L – Adult mosquito (freshly obtained)
Specimen M – Butterfly (freshly obtained)
Specimen N – Sugar Ant (Freshly obtained)
NB: (i) All specimens can be provided as group specimens for five (5) to ten (10) candidates.
(ii) All specimens in each of the groups must carry individual labels (e.g A, B, C, D, E, F, and G in Group I).
Each of the candidates shall be provided with the following materials:
Glass jar cover or Petri dish
Four white tiles labeled D, E, F, and G
A hand lens / magnifying lens;
Scalpel/ razor blade/knife;
A pair of forceps;
Report Forms are provided separately on which you are required to:
Supply the necessary information about the specimens;
Report on any difficulty in the conduct of the examination;
Report any difficulty experienced by any candidate during the conduct of the examination, especially if the examiner would be unable to discover these from the scripts;
Carry out and record experimental observations as directed in the Report form.
You must enclose a completed Report Form in each form envelope of scripts.
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