Waec biology practical specimen 2021
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This is the detailed Specimens and there labeled parts for 2021. Enjoy
*Waec Biology Practical Specimen 2021*
*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 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)
(b) It is essential that each of the candidates should be provided with the following materials:
Report Forms are provided separately on which you are required to:
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