Waec Model Questions Vol1 2020 Biology Question 2

Practice essay / theory question 2 from the 2020 Waec Model Questions Vol1 Biology examination. This question covers Cell Division .

Waec Model Questions Vol1 2020 Biology Essay / Theory
Topic: Cell Division
Question 2 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • essay
Waec Model Questions Vol1 2020 Biology Question 2 diagram

The labelled diagram depicts the successive stages of mitosis in a typical animal cell.

Question Parts

( a )
Arrange the four stages shown in the diagram in their correct chronological order and state the principal event that characterises each stage.
( b )
A mutagenic agent interferes with the formation of the spindle fibres. Which stage of mitosis would be most severely affected and what is the likely outcome for the daughter cells?
( c )
In this cell, the duration of the mitotic phases follows these relationships: prophase lasts twice as long as metaphase, anaphase lasts half as long as metaphase, and telophase lasts the same length as metaphase. If the total time for mitosis is 60 minutes, calculate the duration (in minutes) of each individual stage.
( ) Form the algebraic expression that relates the individual stage times to the total time.
( ) Solve for x and give the time for each stage to one decimal place.

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About This Question

This is Waec Model Questions Vol1 2020 Biology Question 2. It is one of the essay questions from the 2020 Waec Model Questions Vol1 Biology examination.

The question covers Cell Division .

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