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Regents Practice 1
Test Description: Living Environment questions
Instructions: Answer all questions to get your test result.
1) The cytoplasm in a cell carries out a function
A
reproductive system
B
circulatory system
C
nervous system
D
respiratory system
2) Which cell structure is correctly paired with its primary function
A
mitochondrion–movement
B
vacuole–cell division
C
ribosome–protein synthesis
D
nucleus–storage of nutrients
3) When changes occur in the genes of sex cells,these changes
A
are always harmful to the offspring
B
only affect asexually reproducing organisms
C
can be the basis for evolutionary change
D
lead to mutations in the parent organism
4) Asexual reproduction produces offspring that each contain
A
a unique combination of genetic information
B
less genetic information than either parent
C
genetic information from one parent
D
genetic information from two parents
5) Sweating is a process that helps cool the body during strenuous exercise. This is an example of
A
cellular respiration
B
recycling of gases
C
a feedback mechanism
D
gene malfunction
6) Which statement best describes a human chromosome?
A
It is normally passed to the next generation through a placenta
B
It contains genes that may code for the production of enzymes
C
It is made of amino acid subunits that form genes
D
It varies in function from one generation to the next.
7) Which group would most likely have the greatest survival success during a long period of environmental
A
an endangered population of polar bears living near an iceberg
B
a small population of rabbits living in a field of grass
C
one species of bird that nests only in sugar maple trees
D
a large population of red ants living in a forest
8) The ability of an enzyme molecule to interact with specific molecules is most directly determined by the
A
sequence of bases present in ATP
B
shapes of the molecules involved
C
number of molecules involved
D
amount of glucose present in the cell
9) The disease known as malaria may result in a fever, a decrease in red blood cells, and an enlarged liver and spleen. These symptoms are evidence of
A
a disruption of homeostasis
B
hormone destruction
C
an increased number of cell organelles
D
a decrease in allergic reactions
10) A new bird species is introduced to control an insect pest. A negative consequence of this action is that the new bird species may
A
disrupt mineral availability in the ecosystem
B
consume beneficial insects
C
cause an increase of pesticide-resistant insects
D
limit the population of the pest insect
*select an answer for all questions
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