Waec Model Questions Vol1 2021 Biology Question 1

Practice practical question 1 from the 2021 Waec Model Questions Vol1 Biology examination. This question covers Cell Structure .

Waec Model Questions Vol1 2021 Biology Practical

Topic: Cell Structure

Question 1 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • practical

A student is required to prepare a permanent slide of an onion epidermal cell for observation under a light microscope.

Question Parts

( a )

List the correct order of steps the student should follow to prepare the permanent slide, starting from obtaining the specimen to mounting the slide.

( b )

After staining with iodine solution, the student observes the cell under 400× magnification and records the following measurements: length of the cell = 0.12 mm, width = 0.04 mm. Assuming the cell is a rectangular prism whose thickness equals half its width, calculate the approximate surface area of the cell. Show your working.

( c )

Identify three structures that the student is likely to see in the stained epidermal cell and state one function for each.

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 Waec Model Questions Vol1 2021 Biology Question 1. It is one of the practical questions from the 2021 Waec Model Questions Vol1 Biology examination.

The question covers Cell Structure .

View More Waec Model Questions Vol1 2021 Biology Questions More Waec Model Questions Vol1 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