Previous Page
Form 3 Biology questions and answers:growth and development
The graph below represents the increase in the number of yeast cells over a period of 48 minutes.
(a) Name the type of curve show
(b) Determine the number of yeast cells after 26 minutes
c) Work out the rate of cell division between 24 and 28 minutes
(d) After how long was the population of yeast cells 128?
e) Name the phase of the curve labelled
(i) A to B
(ii) B to C
(f) Give reasons for the shape of the graph between points C and D
(g) State five factors, which would cause human population growth to assume the shape of the graph curve between points B and C
(a) Name the type of curve show
(b) Determine the number of yeast cells after 26 minutes
c) Work out the rate of cell division between 24 and 28 minutes
(d) After how long was the population of yeast cells 128?
e) Name the phase of the curve labelled
(i) A to B
(ii) B to C
(f) Give reasons for the shape of the graph between points C and D
(g) State five factors, which would cause human population growth to assume the shape of the graph curve between points B and C
Viewed: 658 times
Share in:
Explanation/Answer Text:
Questions/Lessons on this topic:
1. The diagram below shows an experimental set up to investigate an aspect of germination. (a) Why sodium hydroxide pellets used in this experiment? (b) Why is moist cotton wool used in this experiment? ()
2. The graph below represents the increase in the number of yeast cells over a period of 48 minutes. (a) Name the type of curve show (b) Determine the number of yeast cells after 26 minutes c) Work out the rate of cell division between 24 and 28 minutes ()
1. The diagram below shows an experimental set up to investigate an aspect of germination. (a) Why sodium hydroxide pellets used in this experiment? (b) Why is moist cotton wool used in this experiment? ()
2. The graph below represents the increase in the number of yeast cells over a period of 48 minutes. (a) Name the type of curve show (b) Determine the number of yeast cells after 26 minutes c) Work out the rate of cell division between 24 and 28 minutes ()
