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MOCT 2
Test Description: Moct Review
Instructions: Answer all questions to get your test result.
1) Which of the following happens when a cell divides?
A
The cell has DNA overload.
B
The cells volume increase.
C
It becomes more difficult for the cell to get enough oxygen and nutrients.
D
Each daughter cell receives its own copy of the parent cell's DNA.
2) Which region of the visible spectrum is not absorbed well by chlorophyll?
A
red
B
green
C
violet
D
blue
3) The most abundant compound in most living things is
A
sodium chloride.
B
carbon dioxide.
C
sugar.
D
water.
4) Organisms, such as plants, that make their own food are called
A
pigments.
B
autotrophs.
C
thylakoids.
D
heterotrophs.
5) Colorblindness is more common in males than in females because
A
The allele for colorblindness is located on the Y chromosome.
B
Fathers pass the allele for colorblindness to their sons only.
C
Males who are colorblind have two copies of the allele for colorblindness.
D
The allele for colorblindness is recessive and located on the X chromosome.
6) Which statement is true about bacterial cells?
A
The cells are very large.
B
They have organelles.
C
They are eukaryotes.
D
The cells have no nucleus.
7) The failure of chromosomes to separate during meiosis is called
A
Down Syndrome.
B
Turner's Syndrome.
C
X-chromosome inactivation.
D
nondisjunction.
8) Which of the following are likely topics in a biology course?
A
How is a banded pipefish able to hide in its environment of seaweeds?
B
Why does the Texas horned lizard squirt blood out of his eyes?
C
All of these.
D
What chemicals cause plant stems to lengthen or flowers to bloom?
9) Which best describes the purpose of science?
A
to propose solutions to political issues.
B
to solve the ethical problems of society.
C
to explain the nature of things.
D
to debate the meaning of life.
10) Unlike mitosis, meiosis results in the formation of
A
diploid cells
B
2N daughter cells.
C
body cells.
D
haploid cells.
*select an answer for all questions
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