CAPT Alternate Assessment
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1. Which of the following would best describe the independent variable for Group A’s experiment? Please see data table 1 below. Please note: paper towel 1= towel A, 2=B, etc.
Data Table 1
2. Which of the following conclusions is best supported by the data on Group B’s graph (below)
Group B Graph
3. The graph indicates that the bottle deposit bill has: (see graph 2 below)
Graph 2
4. In 1984, 65 bottles were collected on the roadside. How many bottles were collected in the year 1995? (see graph 2 above
5. Suppose a student wanted to design an experiment to determine the effects of nitrates on algal growth. What would be the student’s dependent variable?
6. A sample of double-stranded DNA, 30% of the nitrogenous bases are thymine. What percentage of the nitrogenous bases in the sample are adenine?
7. Aluminum (Al) has electrons in its outer shell that it will GIVE AWAY. Oxygen (O) needs electrons to complete its outer shell. Al and O will interact and combine, held together by an ionic bond. What is the chemical formula for resulting compound, aluminum oxide?
8. Which hydrocarbon below would contain (1) one double bond and still be built correctly?
9. What question was the investigator most likely trying to answer? Data Table 1
Data Table 1
10. Data in the table show that the use of Echinacea can _____________.
11. Which hypothesis is best supported by the changes in sea-ice coverage? (see Image 2 Below)
Image 2
12. In a laboratory investigation, a student mixes 1 cup of warm water (30°C) with 30 grams of sugar and 5 grams of yeast. She pours the mixture into a glass bottle and secures a balloon over the opening. After several minutes, she observes that the balloon begins to inflate, as shown in the picture below. (Image 3)
The student performs two additional trials. In trial 2 she uses water at 25°C, and in trial 3 she uses water at 20°C. She observes that the colder the water, the longer it takes the balloon to inflate. 18. After reviewing her data, the student decides to perform an additional trial at 35°C. She observes that the balloon inflates faster than during the trial in which the 30°C water was used. This additional trial supports which of the following hypotheses?
Image 3
13. A petroleum-based (inorganic) polymer is commonly used for grocery bags. Recently there has been a push by environmentalists to make grocery bags out of plant-based (organic) polymers. Students in a science class decided to investigate the strength of the two types of polymers. They obtained one petroleum-based (inorganic) polymer bag and one plant-based (organic) polymer bag of the same size and thickness. They added 100-gram weights to each bag until it broke. What is the independent variable in the investigation?
14. What happens to water molecules in a pool as they absorb energy?
15. What is a major advantage of using wind energy instead of coal or nuclear power plants?
16. The burning of fossil fuels may contribute to an increase in global temperatures. What might lead to this increase in temperature?
17. A student wanted to design an experiment to determine the effect of nitrates on algae growth. Which procedure would create the most valid results?
18. Many communities encourage the recycling of plastics, even though it is often expensive to do so. Why is it beneficial to the environment to recycle plastics?
19. Which of the following describes an important difference between a potato plant cell and a human cell?
20. Flu vaccines are recommended for all individuals. Vaccinations prevent disease by
21. The effect of temperature on the relative rate of action of an enzyme is represented in the graph below (graph #3). What is the optimum temperature that this enzyme works at?
Graph 3
22. A population of flat-tailed horned lizards was found in a geographically isolated area. In 2002, the size of the population was about 25,500. In 2004, the size of the population was about 32,800. Which of the following statements explains the change in the size of the lizard population from 2002 to 2004?
23. Which of the following expressions can be used to calculate the change in the size of a population?
24. Refer to figure 3 below. Which of the following statements explains what is happening in the region of the curve labeled “X”?
Figure 3
25. If a partially white cat mates with a black cat, what are the expected phenotypes of the kittens? (see Image 4)
Image 4
26. Suppose a trait is controlled by a gene that has one dominant allele (G) and one recessive allele (g). Which of the following crosses would be expected to produce the greatest variety of genotypes among the offspring?
27. What do X, Y, and Z represent in the diagram? (diagram 1 below)
Diagram 1
28. Based on the information in the table, which of the following best explains why this bug population has changed since the introduction of the invasive plants? (Image 5)
Image 5
29. Which of the following conclusions is best supported by this data? (image 6 below)
Image 6
30. Which of the following statements best describes the reproduction of both viruses and cells?
31. Open Response. Suppose a consumer reads the following news release regarding the safety of a genetically modified (GM) food product. GM Grains Pose No Health Risk Researchers report that genetically modified (GM) grains fed to test mice have no negative impact on health. In two trials, the offspring of mice fed GM grain for three weeks showed a similar survival rate as the offspring of mice that were fed non-GM grain. The trials have been called as a victory for GM food producers. A spokesperson for the research group stated that “it is highly unlikely for any unintended side effects to occur as a result of human consumption of GM grains.” Provide three reasons a consumer should question the conclusions presented in this news release.
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Diagram 1
32. Open Response. The population graphs above (diagram 1) show the age structure of populations in France and India for the year 2014. Compare the two graphs and: a) Describe the difference in individuals of reproductive age (15-45). b) Describe a difference in birthrate. c) Identify one factor that may contribute to the difference in longevity (life span).
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