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BSCS Sem 1 Rvw Game
Test Description: This game is a cumulative review from the freshmen year BSCS curriculum.
Instructions: Answer all questions to get your test result.
1) Biologists group living things into how many domains?
A
2
B
5
C
3
D
4
2) Researchers testing new drugs usually give the drug to one group of people and give placebos,
A
is the control group.
B
is needed so that the test will be repeated enough times.
C
constitutes the experimental group.
D
is the experimental variable.
3) A DNA molecule is a polymer made of subunits (monomers) called
A
bases
B
nucleotides
C
nucleic acids
D
amino acids
4) The information carried by a DNA molecule is in
A
the sugars and phosphates forming its backbone.
B
the order of bases (As, Ts, Cs and Gs) in the molecule.
C
its amino acid sequence.
D
the total number of nucleotides it contains.
5) A gene is
A
made of protein.
B
made by a ribosome.
C
the same thing as a chromosome.
D
a sequence of bases that determine the traits of an organism.
6) Organisms that possess homologous structures probably
A
by chance had similar mutations in the past.
B
by chance had similar mutations in the past.
C
are headed for extinction.
D
evolved from the same ancestor.
7) We know a lot about fossil crabs, snails and corals, but not much about ancient seaweeds. Why do you suppose this is the case?
A
A mass extinction wiped out the seaweeds, but animals survived.
B
There were no seaweeds in ancient oceans.
C
Seaweeds were too soft to fossilize well.
D
Animal life was much more abundant than seaweeds in ancient times.
8) The fossil record of horses reveal that
A
all species horses were created at the same time.
B
horses all evolved from different ancestors.
C
horses have not changed since they were created.
D
complex structures often evolve step-by-step.
9) The oldest fossils usually
A
are found above younger fossils.
B
are found in the deepest strata.
C
have the longest half-lives.
D
contain more radioactive isotopes than younger fossils.
10) Fossils of an ancient reptile called Lystrosaurus have been found in Africa, India and Antarctica. Which of the following best explains this distribution?
A
Movement of India due to continental drift carried them from place to place.
B
They were able to migrate over frozen seas during the Ice Ages.
C
They were able to move between continents before the oceans filled.
D
They were once next to each other and since drifted apart.
*select an answer for all questions
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