Biology MCAS Practice Test CP
Authored by Mx. Bialer
Biology
9th Grade
NGSS covered
Used 17+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Images of the embryo and adult stages of three different organisms are shown. Which of the following is the best conclusion that can be drawn from this evidence?
Having similar embryos indicates that these organisms eat the same types of food
Having similar embryos indicates that these organisms live in a similar environment
Having similar embryos indicates that these organisms share a recent common ancestor.
Having similar embryos indicates that a certain protein controls how many legs the adult organisms will have.
Tags
NGSS.HS-LS4-1
2.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
A partial food web is shown. Select TWO changes that would most likely lead to a decrease in the size of the sea otter population in the area.
A law is passed that results in less fishing in the area.
Warmer ocean temperatures cause more algae to grow in the area.
Chemical runoff from a factory kills many crabs and small fish in the area.
An invasive species of sea star that preys on sea urchins moves into the area.
Tags
NGSS.HS-LS4-5
NGSS.HS-LS2-6
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A small number of people have an inherited mutation that decreases the likelihood of heart disease. The mutation causes the amino acid cysteine to be replaced by arginine. Which of the following is MOST LIKELY responsible for this mutation?
a large protein with a longer polypeptide chain
the duplication of a chromosome in the genome
the crossing over of a chromosome in the genome
a substitution of one nucleotide in the DNA sequence
Tags
NGSS.HS-LS3-2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The graph shows the effect of temperature on the rate of carbon dioxide (CO2) production in plant cells as a result of cellular respiration. Based on the graph, select the response that correctly completes each statement:
"When temperature INCREASES, the rate at which glucose is used by cells is expected to?"
Decrease
Increase
Stay the same
Tags
NGSS.HS-LS1-7
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The graph shows the effect of temperature on the rate of carbon dioxide (CO2) production in plant cells as a result of cellular respiration. Based on the graph, select the response that correctly completes each statement:
"When temperature DECREASES, the rate at which glucose is used by cells is expected to?"
Decrease
Increase
Stay the same
Tags
NGSS.HS-LS1-7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following best describes a result of mitosis?
organisms whose genetic diversity increases over time
daughter cells that are genetically identical to the parent cell
gametes with combinations of alleles absent in the parent cell
chromosomes that carry different genetic instructions to each cell
Tags
NGSS.HS-LS1-4
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The distribution of shell heights in a population of snails changed over time, as shown. Which of the following BEST explains what happened to the genetic diversity of this snail population in regard to shell height?
Genetic diversity decreased because of selection pressure.
Genetic diversity increased because of changes in food sources.
Genetic diversity stayed the same because of equal birth and death rates.
Genetic diversity increased because of the introduction of a new behavior.
Tags
NGSS.HS-LS4-5
NGSS.HS-LS4-2
NGSS.HS-LS4-4
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