MOCT 2 Question Preview (ID: 1670)


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Which of the following happens when a cell divides?
a) The cells volume increase.
b) It becomes more difficult for the cell to get enough oxygen and nutrients.
c) The cell has DNA overload.
d) Each daughter cell receives its own copy of the parent cell's DNA.

Which region of the visible spectrum is not absorbed well by chlorophyll?
a) blue
b) violet
c) green
d) red

The most abundant compound in most living things is
a) carbon dioxide.
b) water.
c) sodium chloride.
d) sugar.

Organisms, such as plants, that make their own food are called
a) autotrophs.
b) heterotrophs.
c) thylakoids.
d) pigments.

Colorblindness is more common in males than in females because
a) Fathers pass the allele for colorblindness to their sons only.
b) The allele for colorblindness is located on the Y chromosome.
c) The allele for colorblindness is recessive and located on the X chromosome.
d) Males who are colorblind have two copies of the allele for colorblindness.

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.

The failure of chromosomes to separate during meiosis is called
a) nondisjunction.
b) Down Syndrome.
c) Turner's Syndrome.
d) X-chromosome inactivation.

Which of the following are likely topics in a biology course?
a) Why does the Texas horned lizard squirt blood out of his eyes?
b) How is a banded pipefish able to hide in its environment of seaweeds?
c) What chemicals cause plant stems to lengthen or flowers to bloom?
d) All of these.

Which best describes the purpose of science?
a) to explain the nature of things.
b) to propose solutions to political issues.
c) to solve the ethical problems of society.
d) to debate the meaning of life.

Unlike mitosis, meiosis results in the formation of
a) diploid cells
b) haploid cells.
c) 2N daughter cells.
d) body cells.

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