Biology Practical Specimen And Questions For WAEC
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.
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– 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)
Paper 3 (Practical)
Answer ONLY … questions.
Write your answers in the spaces provided.
Question 1: Study specimens A, B, C, and D and use them to answer the questions that follow.
(a) (i) Name the phylum to which specimen D belongs.
(ii) Name the habitat of specimen D
(iii) Name the type of reproduction common to specimens D.
(c) State three observable similarities between specimens C and D.
Question 2: Study specimens G and H and answer questions 2(a) to 2(f).
(a) (i) Name the floral parts of specimen H.
(ii) Indicate the number of floral parts in each whorl of specimen H.
(b)(i) Name the sex of specimen H.
(ii) Give one reason for the answer in 2(b)(i)
(c) (i) What is the symmetry of specimen H?
(ii) Give one reason for the answer in 2(c)(i)
(d) Name one pollinating agent of each of specimens G and H.
(e) State four observable differences between specimens G and H.
(f) Make a drawing 8 cm – 10 cm long of the longitudinal section of specimen H and label fully.
Question 3: Study specimens E, F, and J carefully and use them to answer questions 3(a) to 3(d).
(a) Classify specimens E, F, and J according to the following criteria:
(i) agricultural classification;
(ii) life cycle.
(b) State two ways in which specimen J is important to human nutrition.
(c) With a scalpel or knife, make a cross-section of specimen E.
(i) What type of placentation is observed in the cut section of specimen E?
(ii) Name one example of a fruit with similar placentation as observed in the cut section of specimen E.
(iii) Make a drawing 10 cm – 12 cm long of the transverse section and label fully.
(d) Make a transverse section of specimen F and state:
(i) three observable differences;
(ii) three observable similarities between the transverse sections of specimens E and F.
Question 4: Study specimens P, Q, R, and S carefully and use them to answer questions 4(a) to 4(d).
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These are practice questions.