A purpose of using gel electrophoresis is to
QCE Biology Revision 2

Quiz
•
Biology
•
12th Grade
•
Medium
Rachel Young
Used 25+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
compare DNA banding patterns.
eliminate undesirable traits in genes.
control gene expression in organisms.
generate copies of single-stranded DNA.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The figure shows an energy diagram for a freshwater lake ecosystem. The percentage of energy transferred to herbivores is
86.5%
20.0%
13.6%
0.01%
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Two organisms live in close physical association, typically to the advantage of both.
Which of the following is the correct species interaction to describe this relationship?
competition
symbiosis
predation
disease
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The figure shows the range of phenotypes in a population before and after natural selection. Which type of phenotypic selection is shown in the figure?
adaptive
disruptive
stabilising
directional
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The black-browed albatross is a wide-ranging, large seabird that forages far offshore and returns to
communal breeding sites.
Which limiting factor is likely to have the greatest negative impact on the carrying capacity of this species?
food supply
mate availability
natural predation
presence of parasites
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
An ecological niche is defined as the role and space that an organism fills in an ecosystem, including all its
interactions with the
biotic and abiotic factors of its environment.
available resources and services of its environment.
other species in its environment that it outcompetes.
individuals immigrating and emigrating in its environment.
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Refer to the following table, which shows the number of differences in the amino acid sequence of the protein albumin in four species of primate. Which two species are likely to have separated most recently in evolutionary time?
Gibbon and gorilla.
Gorilla and monkey.
Monkey and human being.
Human being and gorilla.
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