Sample Questions for Mississippi
Biology I
1.
When placing a slide on the stage of a microscope, what initial steps should be taken to
bring the object into focus?
A Place the setting on the low power objective and turn the fine adjustment knob.
B Place the setting on the high power objective and turn the fine adjustment knob.
C Place the setting on the low power objective and turn the coarse adjustment knob.
D Place the setting on the high power objective and turn the coarse adjustment knob.
2.
Analyze the graph showing how the concentration of an enzyme impacts digestion of a
protein.
Pepsin is an enzyme that catalyzes protein in the stomach. What is the relationship between
the concentration of pepsin and the rate of the reaction?
A The concentration of pepsin has no effect on the rate of the reaction.
B As the concentration of pepsin increases, the rate of the reaction decreases.
C As the concentration of pepsin increases, the rate of the reaction increases.
D As the concentration of pepsin decreases, the rate of the reaction increases.
3414 North Duke St., Durham, NC 27704 1‐877‐628‐3860 www.case21inc.com 3.
Which chemical formula represents a carbohydrate and why?
A CO2 because the ratio of O to C is 2:1.
B C12H22O11 because the ratio of H to O is 2:1.
C C2H7NO3S because the ratio of O to C is greater than 2:1.
D CH3CH2CH2COOH because the ratio of H to O is greater than 2:1.
4.
A week after returning from a backpacking trip, four teenagers developed nausea and
severe diarrhea. All had consumed untreated water from a stream which doctors concluded
was infested with the organism, Giardia.
What type of relationship exists between the teens and the organism?
A commensalistic
B mutualistic
C parasitic
D predatory
5.
There are two types of reproduction as shown in the diagram.
What labels should be given to letters W and X to identify each type of reproduction and for
letters Y and Z to identify each method of cell division?
A W: Sexual X: Asexual Y: Meiosis Z: Mitosis
B W: Sexual X: Asexual Y: Mitosis Z: Meiosis
C W: Asexual X: Sexual Y: Meiosis Z: Mitosis
D W: Asexual X: Sexual Y: Mitosis Z: Meiosis
3414 North Duke St., Durham, NC 27704 1‐877‐628‐3860 www.case21inc.com