WAEC Biology Specimen Practical Questions and answers 2018/2019 The West African Examination Council, WAEC GCE Biology Specimen Practical Questions and answers have been released.
The Waec biology practical GCE is for private candidates and May/June candidates. We have compiled the samples of the Waec GCE biology specimen 2018, practical drawings and materials that was used in the biology practical exam past questions and syllabus.
WAEC Gce Biology Specimen 2018 Practical:
Paper 3 (Practical)
Write your answers in the spaces provided.
Study specimens A and B carefully and use them to answer questions 1(a) to 1(e).
(a) Classify specimen B into its Division and Class.
(b) (i) State the types of leaf arrangements in specimens A and B.
(ii) Name the leaf shape of specimens A and B.
(c) (i) State the type of leaf margin in specimen A.
(ii) State the types of venation found in the leaves of specimens A and B.
(d) (i) List three observable similarities found in specimens A and B.
(ii) In a tabular form, state four observable differences between specimens A and B.
(e) Make a drawing 8 cm – 10cm long of the leaf of specimen A and label fully.
See drawing to question (e) below;
Study specimens G and H carefully and use them to answer questions 2(a) to 2(c).
(a) (i) Name the phylum of specimens G and H.
(ii) State two reasons for the answer given in 2(a)(i).
(b) Name the structures on specimens G and H that are used for defense.
(c) (i) State the habitat of each of specimens G and H.
(ii) State two ways in which each of specimens G and H are of economic importance.
Study specimens M, N and P carefully and use them to answer questions 2(d) to 2(e).
(d) (i) Name the Class of organisms to which each of specimens M, N and P are associated.
(ii) State one function common to the specimens named in 2 (d) (i).
(iii) In a tabular form, state four observable differences between specimens M andP.
Ans: Observable differences between specimens M and P
|Specimen M/Quill feather||Specimen P/Mammalian skin with hair|
|– Presence of inferior umbilicus||absence of inferior umbilicus;|
|– Presence of superior umbilicus||absence of superior umbilicus;|
|– Presence of after shaft||absence of after shaft;|
|– Presence of shaft/rachis||absence of shaft/rachis;|
|– Presence of Quill/calamus
– Presence of barbs
|absence of Quill/calamus;
absence of barbs;
|– Absence of hair/fur||presence of hair/fur;|
|– Texture is hard when touched||texture is soft when touched;|
|– Barbs are restricted to certain parts of the Quill||Hairs/fur cover the whole surface of the specimen.|
(e) Explain three features of biological importance in specimen M.
Study specimens T, V and W carefully and use them to answer questions 4(a) to 4(d).
(a) Classify specimens T, V and Waccording to the following criteria:
(i) agricultural classification;
(ii) life cycle.
(b) State two ways in which specimen W is important to human nutrition.
(c) With a scalpel or knife, make a cross section of specimen T.
(i) What type of placentation is observed in the cut section of specimen T?
(ii) Name one example of a fruit with similar placentation as observed in the cut section of specimen T.
(iii) Make a drawing 10 cm – 12 cm long of the transverse section and label fully.
(d) Make a transverse section of specimen V and state:
(i) three observable differences;
(ii) three observable similarities between the transverse sections of specimens Tand V.
Study specimens Xi and Xii carefully and use them to answer questions 4(a) (i) to 4(a)(iii).
(a) Carefully remove the bark of specimen Xi to expose the naked part.
(i) State two observable differences between specimens Xi and Xii.
(ii) If Xi and Xii are planted, what difference will be noticed after a month?
(iii) State one reason for the answer in 4 (a) (ii).
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