Waec Model Questions Vol1 2023 Biology Question 1

Practice practical question 1 from the 2023 Waec Model Questions Vol1 Biology examination. This question covers Cell Structure .

Waec Model Questions Vol1 2023 Biology Practical
Topic: Cell Structure
Question 1 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • BIOLOGY • practical

You are provided with a fresh onion bulb and a compound light microscope equipped with a 10× ocular lens and a 40× objective lens. Using standard laboratory techniques, prepare a temporary slide of an onion epidermal peel and observe the cells under the microscope.

Question Parts

( a )
List at least five distinct cell structures that can be clearly observed in the prepared slide.
( b )
Draw a labelled diagram of a typical onion epidermal cell as seen under the microscope, indicating the structures named in part (a).
( c )
State the main function of each structure listed in part (a).
( d )
Identify two possible sources of error that could affect the clarity of the observed structures and suggest a method to minimise each error.

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About This Question

This is Waec Model Questions Vol1 2023 Biology Question 1. It is one of the practical questions from the 2023 Waec Model Questions Vol1 Biology examination.

The question covers Cell Structure .

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