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IB Biology Review 2 (SL & HL)
Test Description: This review game is comprehensive and will help students to review for the end-of-year exam in biology.
Instructions: Answer all questions to get your test result.
1) Resolving power is the...
A
distance between the lenses of a microscope.
B
ability of an optical instrument to show two close objects as separate.
C
ability of an optical instrument to magnify an image.
D
size of an image.
2) Which of the following CORRECTLY states the relationship between dinosaurs and birds?
A
Biologists now widely accept that birds were descended from dinosaurs.
B
Biologists have always considered birds to be descended from dinosaurs.
C
Biologists now widely accept that dinosaurs were descended from birds.
D
Biologists now widely accept that birds were NOT descended from dinosaurs.
3) During which phase of mitosis does the nuclear envelope re-form and the nucleoli reappear?
A
telophase
B
anaphase
C
prophase
D
metaphase
4) Which of these is a difference between DNA and RNA?
A
DNA contains thymine; RNA contains uracil.
B
In DNA, adenine pairs with guanine; in RNA, adenine pairs with thymine.
C
RNA is double-stranded; DNA is single-stranded.
D
DNA is found in the nucleus; RNA is never found in the nucleus.
5) In salad dressings, oil quickly separates from vinegar because oils are...
A
nonpolar.
B
heavier than water.
C
polar.
D
hydrophilic.
6) Evolution by natural selection relies upon...
A
heritable variation.
B
overproduction of offspring.
C
a struggle for existence.
D
All answers are correct.
7) To be scientifically valid, a hypothesis must be...
A
based on faith.
B
phrased as a question.
C
testable.
D
testable and falsifiable.
8) The role of a control in an experiment is to...
A
prove that a hypothesis is correct.
B
ensure repeatability.
C
provided a basis of comparison to the experimental group.
D
prove that a hypothesis is correct and ensure repeatability.
9) The four most common elements in living organisms are...
A
C, H, O, Na
B
C, H, O, Fe
C
C, N, O, Na
D
C, H, O, N
10) A scanning electron microscope is used to study _____, whereas a transmission electron microscope is used to study _____.
A
cell surfaces...internal cell structures
B
internal cell structures...cell surfaces
C
live cells...dead cells
D
dead cells...live cells
*select an answer for all questions
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