Neco 2018 Biology Question 1

Practice practical question 1 from the 2018 Neco Biology examination. This question covers Cell Structure .

Neco 2018 Biology Practical

Topic: Cell Structure

Question 1 NECO • 2018 • BIOLOGY • practical

You are given a prepared slide of a human cheek epithelial cell stained with methylene blue. Using a compound microscope at 400× magnification you observe the cells. Record your observations and answer the following questions.

Question Parts

( a )

Identify three cellular structures that are clearly visible in the slide and state one function of each.

( b )

The following diameters (in µm) were measured for five cells: 18, 20, 22, 19, 21. (i) Calculate the average cell diameter. (ii) Assuming the cells are spherical, estimate the average cell volume. Use π = 3.14 and show the formula used.

( c )

Briefly discuss how the observed cellular structures support the function of cheek epithelium in the oral cavity.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Neco 2018 Biology Question 1. It is one of the practical questions from the 2018 Neco Biology examination.

The question covers Cell Structure .

View More Neco 2018 Biology Questions More Neco Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support