WAEC Biology Practical Questions and Answers 2021 Expo | Free Specimen

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WAEC Biology Practical Question and Answers 2021: This page contains the WAEC Biology Practical Questions and answers 2021, see free WAEC 2021 Biology Practical Specimen for 17th September 2021 WAEC examination.

WAEC Biology Practical 2021 Questions and Answers Expo | Free Specimen
WAEC 2021 Biology practical

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WAEC Biology Practical 2021 Questions and Answers Specimen

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(4ai)
Phylum
L – Arthropoda
M – Arthropoda

(ii)
Class
L – Insecta
M – Insecta

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.
    • 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).

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WAEC Biology practical Questions and Answers 2021

WAEC BIOLOGY*
=======================
1ai
A- Neck region
B- chest region
C- upper abdominal region

*1aii*
A- it allows the head to nod on it (i.e it permits nodding of the head)it fits into the oceipital condylies of the skull
B- it aids the attachments of the ribs
C- Lumber vertibra provides attachment for the abdominal muscles

=========================
(4ai)
Phylum
L – Arthropoda
M – Arthropoda

(ii)
Class
L – Insecta
M – Insecta

(4biii)
– 6 legs
– 4 wings
– chitinous exoskeleton
– antenna

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