Neco 2019 Biology Question 1

Practice practical question 1 from the 2019 Neco Biology examination. This question covers Cell Structure .

Neco 2019 Biology Practical

Topic: Cell Structure

Question 1 NECO • 2019 • BIOLOGY • practical

You are given a prepared slide of an onion (Allium cepa) epidermal cell that has been stained with iodine. Using a light microscope, observe the cell and answer the following tasks.

( a )

Draw a clear, labelled diagram of the observed cell. Include at least five distinct cellular structures.

( b )

Identify each labelled structure and state its primary function in the plant cell.

( c )

Explain why the cell wall appears as a thick outer line while the plasma membrane is not distinctly visible in the preparation.

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This is Neco 2019 Biology Question 1. It is one of the practical questions from the 2019 Neco Biology examination.

The question covers Cell Structure .

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