WorksheetsGrowth
Total questions: 10
Worksheet time: 5mins
Select the characteristic used to measure growth rate.
Body Height
Age
body function
Number of body cells
Human growth is reversible.
True
False
Rearrange the FOUR phases of a typical sigmoid curve into the CORRECT sequence
I Log phase
II Stationary phase
III Linear phase
IV Lag phase
I, IV, III, II
I, IV, II, III
IV, I, III, II
IV, I, II,III
During __________, growth rate is slow but growth rate will accelerate in _________, due to sufficient of food supply.
Log phase, linear phase
Lag phase, stationary phase
Lag phase, log phase
Linear phase, log phase
In determining the dry weight of an organism, how would you know that it is completely dry?
Dry it for a long period of time.
Dry it until no more steam is produced.
Dry it until smoke does not appear.
Dry it at 100 degree celcius until its weight does not decrease anymore.
What is growth?
It is the quantitative change in form in an organism over a period of time
It is quantitative increase in size in an organism over a period of time
It is the change in the degree of specialization of tissues
It is a measure of an increase in size of an object
The figure shows the growth phases of an organism. Describe what happen during log phase?
Cells are still dividing but at a rate replacing the cells that have died
Growth slow down because limited by internal or external factors
The fastest organism growth
Organisms is trying to adapt to the new environment
What is /are the disadvantages of using the wet mass of an organism to measure growth
I. the measurement is not accurate
II. water content in the organism is inconsistent
III. it is used only to measure organisms living in water
I only
I and II only
II and III only
I, II and III
Growth:
Increase in size, weight and number of cells
True
False
Graph of measurement of physical changes against time known as ...
growth curve
growth rate
development curve
development rate
