science icon Name ________________________________
Use the graph to answer questions 1 and 2.
1. According to the graph, the highest metabolic rate is found in
O   a. amphibians
O   b. reptiles
O   c. birds
O   d. mammals

2. This graph is set up incorrectly because

O   a. the metabolic rate should go from high to low
O   b. the independent and dependent variables are on the wrong axis
O   c. the animals should be in alphabetical order
O   d. the bars should start with the shortest and go to the longest

Use the cell drawing to answer questions 3 and 4.
3. The cells in the drawing are
O   a. bacteria cells
O   b. animal cells
O   c. sex cells
O   d. plant cells
4. What is the correct sequence for cell mitosis?
O   a. A, B, D, C
O   b. C, B, A, D
O   c. B, A, D, C
O   d. D. C. B. A

5. The above graph shows how dissolved O2 and CO2 levels changed in a pond over a 24-hour period. What caused the decrease in O2 concentration during the night?
O   a. increased evaporation
O   b. decreased photosynthesis
O   c. increased respiration
O   d. decreased temperatures
Use the cell drawing to answer questions 6 and 7.
6. The graph shows the amount of pollutants removed by trees. During Octover, the trees were able to remove the greatest amount of
O   a. ozone
O   b. particulates
O   c. NO2
O   d. SO2

7. The length of time covered on the graph is

O   a. one month
O   b. ten months
O   c. one year
O   d. none of these
8.

In order to form recombinant DNA, scientists have found a way to cut a DNA segment using an enzyme named EcoRI. This enzyme cuts DNA wherever the sequence A-T-C-T-T-A-A occurs between two G bases. Which of these would result if EcoRI were used on the DNA in the diagram above?

9. A student wants to view cells under a compound microscope at a total magnification of 400X. If the eyepiece is 10X, which of the following objective lenses should be used?

O   a. 4X
O   b. 10X
O   c. 40X
O   d. 100X