WAEC GCE Bio-logy Practical Specimen & Syllabus 2017 Released

See WAEC GCE Bio-logy Practical Specimen 2017 – Waec Biology Syllabus Released.

The West African Examination Council (WAEC) General Certificate Examination (GCE) for November/December Waec Biology alternative to practical paper will be written on Monday, 11th September, 2017 from 2:00pm to 4:00pm.

We are writing this post to highlight samples of the Specimens, alternative to practical drawings and materials that was used in the Practical Examination past questions and syllabus.

Also Read: WAEC Biology Questions for GCE 2017 Released

WAEC GCE Bio-logy Practical Specimen:

Paper 3 (Alternative To Practical)
Answer Four questions.
Write your answers in the spaces provided.

1. Fig. 5.1 below shows some of the interactions that take place in an aquatic ecosystem.

waec gce biology practical 2017 questions

(a) (i) Use the information in Fig. 5.1 to state each of the following:
– the trophic level of the aquatic plant…………………………………
– the trophic level of the fish…………………………………
– the chemical element being cycled in this ecosystem…………………………….
(ii) Explain one way, other than for food, that the fish may depend on the aquatic plant.
………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………….
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(b) (i) Name each of the processes represented by the letters X and Y.
– process X ………………………………
– process Y ………………………………….

(ii) Name one type of microorganism that will carry out both process X and process Y.
…………………………………………..
(iii) Explain how aquatic plants take up nitrate ions from their surroundings.
………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………….
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(c) Suggest what effect pollution by nitrogen-containing fertilisers might have on this ecosystem.
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2. (a) Describe the significance of each of the following features of a dicotyledonous leaf in terms of the process named:
(i) the distribution of chloroplasts in the process of photosynthesis
………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………….
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(ii) stomata and mesophyll cells in the process of gas exchange.
………………………………………………………………………………………………………………………….
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(b) Transverse sections were taken from the root and stem of a dicotyledonous plant.
Describe differences in how two named tissues involved in transport are arranged in each of
these sections.
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3. (a) Describe the external features of one named example of a wind-dispersed fruit or seed. State the importance to the plant of this method of dispersal.
…………………………………………………………………………………………………………………………………
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(b) State two environmental conditions that affect the germination of seeds. Describe the
importance of each condition.
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4. (a) Describe and explain how an increase in each of the following factors surrounding a plant
affects the rate of transpiration:
• temperature …………………………………………….
• light intensity ……………………………………………………..
• humidity…………………………………………………….
(b) Suggest the importance of transpiration to a plant.
…………………………………………………………………………………………………………………………………
……………………………………………………………….

The details of the WAEC Biology practical drawings and answers will be made available to you candidates as soon as it is released. Keep following this page and make sure you bookmark this site for reference purposes.

If you have any questions, endeavour to use the comment box below…



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