1. Examine the data table below from an experiment in which small, round gumballs are dropped
from 1 meter and their return bounce height is measured.
Which of the hypotheses below is supported by these data?
a. The larger the diameter of a gumball, the higher it bounces
b. The smaller the diameter of a gumball , the higher it bounces
c. The heavier the gumball, the higher it bounces
d. The lighter the gumball, the higher it bounces
e. Gumball diameter and bounce height are not correlated
2. Given the following hypothesis: The heavier the course textbook, the better grade you will get
in a biology class, the dependent variable is:
a. The difficulty of the biology course
b. The grade you get for the class
c. The number of people in the class
d. The weight of the textbook
e. The number of pages in the textbook
3. What is the best definition of a controlled variable?
a. A variable that is dependent on another variable
b. A variable that is set to different values during an experiment
c. A variable that is kept constant so that it won’t influence the results of an experiment
d. A variable that is always kept at zero
e. A variable that is always kept at infinity
4. Which of the following could be called a null hypothesis?
a. Bigger gumballs have no taste
b. There are no birds that live in the desert
c. The size of your head does not affect how long your arms are
d. The larger the bird, the smaller the beak size
e. The smaller the bird, the smaller the beak size
5. Which of the following properly states the steps of the scientific method, in the proper order?
a. Prediction, Experimentation, Observation, Conclusion
b. Hypotheses Formation, Experimentation, Observation
c. Experimentation, Observation, Hypotheses Formation, Analysis
d. Prediction, Experiments, Observation, Analysis
e. Observation, Experimentation, Hypotheses Formation, Conclusion
f. Conclusion, Experimentation, Hypotheses Formation, Prediction
g. Observation, Hypotheses Formation, Experimentation, Conclusion
h. Analysis, Prediction, Observation, Conclusion
6. Which level of biological organization below includes all of the other ones show here?
a. population
b. cell
c. whole organism
d. community
e. molecular
7. Which of the following questions cannot be answered by the scientific method?
a. Are insects attracted to yellow flowers more than red flowers?
b. Is a student likely to sleep longer at night following exams at school?
c. Are the birds on earth affected by the number of galaxies in the universe?
d. Do some cells have a membrane made of fat molecules
e. Does ocean water contain a pH buffering substance?
8. Which of the following is NOT a unique and universally true property of all living things, as
we discussed in class?
a. Uses energy to maintain order and structure
b. Made of many cells
c. Highly ordered and complex structure
d. Adapts and changes over time (evolves)
e. Maintains a constant internal environment (homeostasis)
9. Which of the following is an accurate definition of what biological evolution means?
a. Individuals change throughout their lifespan
b. Animals and plants get bigger over time
c. Populations of living things change in their characteristics over many generations
d. Humans are actually monkeys
e. Humans are the most complex and modified organsism of all living things
10. Emergent properties are characteristics that are unique to a certain degree and type of
organization in the levels of biological complexity.
a. T
b. F
11. A theory is a well-accepted, exhaustively tested general model that explains how something
happens in the natural world.
a. T
b. F
12. One definition of “isomers” is:
a. molecules with the exact same molecular shape
b. molecules with the same chemical formula but a different structural formula
c. molecules with differing numbers of neutrons in their nuclei
d. different varieties of water
e. molecules that function the same in biological systems
13. Ionic bonds are weak attractions between two hydrogen atoms.
a. T
b. F
14. Which type of bond involves attractions between PARTIALLY charged atoms?
a. covalent
b. ionic
c. hydrogen
d. double
e. cohesive
15. A carboxyl group has which of the following formulas?
16. When two molecules are linked together producing a water molecule, this reaction is
called:
a. condensation/dehydration
b. hydrolysis
c. electron transfer
d. breakdown
e. digestion
17. Which of the following reactions occur during the digestion (breakdown) of long chain
biomolecules?
a. condensation
b. hydrolysis
c. electron transfer
d. dehydration
e. bond formation
18. Water molecules are polar because:
a. they are magnetized
b. oxygen and hydrogen atoms pull on electrons unequally
c. the two hydrogen atoms attract each other
d. the two hydrogen atoms share electrons equally
e. water is an ionic compound with fully charged ions
19. A solution with a greater number of OH- ions than H+ ions is acidic.
a. T
b. F
20. Electrically balanced atoms (not ions) have an equal number of protons in the nucleus
as electrons orbiting the nucleus.
a. T
b. F
21. Which of the following is true about atoms in the periodic table which are aligned vertically
in the same column (they are in the same "family")?
a. They all have the same number of protons, electrons, and neutrons
b. They all have the same total number of electrons
c. They all have the same number of electrons in their outermost shells
d. They all weigh the same
e. They all behave differently
22. Electrons and neutrons differ in their
a. mass and charge
b. charge only
c. chemical identity
d. shape
e. energy
23. An element has three isotopes designated (in nuclear symbology) as:
About 80% if the naturally occurring isotopes of Element X are:
What is the atomic number of this element?
a. 2.05
b. 58
c. 61
d. 119
e. 177
24. What is the mass number of the most common isotope of element X described above? Note
that this question is NOT asking about the atomic mass or atomic weight, as found in the
Periodic Table for this element.
a. 58
b. 61
c. 118.6
d. 119
e. 120
25. How many neutrons would be found in an atom of
given above?
a. 2
b. 60
c. 62
d. 178
e. you can't tell from this information alone.
based on the information
26. How many electrons would be found in the outermost shell of an electrically balanced
oxygen atom? Use the Periodic Table below to find out information about oxygen.
a. 2 electrons
b. 4 electrons
c. 6 electrons
d. 8 electrons
e. you can't tell from the Periodic Table how many electrons this atom would have
27. What is the mass number for the specific atom named “B” above? Note that this question is
not asking about the atomic weight of this element.
a. 1 amu
b. 17
c. 18
d. 35 amu
e. 35.4527 amu
28. To what element does atom “A” above belong? (use the Periodic Table above)
a. Be
b. Zn
c. Ce
d. Fe
e. Mg
29. What is the atomic mass (atomic weight) of the element that to which atom “F” belongs?
a. 12.01 amu
b. 26 amu
c. 38 amu
d. 55 amu
e. 55.847 amu
Answers:
1.
2.
3.
4.
5.
A
B
C
C
G
6. D
7. C
8. B
9. C
10. A
11. A
12. B
13. B
14. C
15. C
16. A
17. B
18. B
19. B
20. A
21. C
22. A
23. B
24. D
25. C
26. D
27. D
28. D
29. E