Biology 2
Fall 1999
R. Brundage
Sample Questions
Exam I
1) A scientific theory has been more rigorously tested than a hypothesis
A) True
B) False
2) Energy is defined as
A) Anything flammable
B) Hydrocarbons and their derivatives
C) The capacity to do work
D) The capacity to stay within tolerable limits
E) None of the above
3) Which of the following would contain all the other items on the list?
A) Tissue
B) Cell
C) Organism
D) Organelle
E) Ecosystem
4) The compound used as a source of energy in living organisms is
A) Deoxyribonucleic acid
B) The electron
C) ATP
D) Methane
E) None of the above
5) Evolution is
A) A poorly understood process
B) A change in the frequency of features in a population
C) Not dependent on heritable changes in DNA
D) Independent of environmental factors
E) None of the above
6) Which of the following organisms are prokaryotic?
A) Insects
B) Plants
C) Fungi
D) Molds
E) None of the above
7) Hydrophobic substances readily mix with water
A) True
B) False
8) The half life of a radioactive element
A) Is a measure of the strength of radiation it produces
B) Depends on how much of the element is being monitored
C) Is the time for the radiation to reach 50% of a lethal dose
D) Is a measure of the decay of the element
E) None of the above
9) The charged subatomic particle, which is part of the nucleus of all atoms is
A) Neutron
B) Electron
C) Positron
D) Proton
E) Gluon
10) The electron is the smallest element of matter
A) True
B) False
11) The pH of blood is closest to
A) 1
B) 7
C) 4
D) 14
E) 10
12) The first electron orbital of the atom holds how many electrons when full
A) 1
B) 10
C) 2
D) 3
E) None of the above
13) Saturated fatty acids are "saturated" with double bonds throughout their structure.
A) True
B) False
14) Hydrolysis reactions are an example of
A) Condensation reactions
B) Electron transfer
C) Cleavage reactions
D) Rearrangement
E) None of the above
15) The site of ATP synthesis in eukaryotic cells is
A) The neucleosome
B) The ribosome
C) The golgi apparatus
D) The peroxisome
E) None of the above
16) Which cellular organelles have DNA
A) The mitochondria
B) The peroxisome
C) The golgi apparatus
D) The endoplasmic reticulum
E) Only the nucleus of the cell contains DNA
17) Chromatin is
A) A type of pigment found in chloroplasts
B) A toxic mineral
C) A complex of DNA and protein
D) An enzyme which is part of cellular metabolism
E) None of the above
18) Microtubules are organized by a specific organelle within the cytoplasm of cells
A) True
B) False
19) A Nucleotide is composed of a sugar, a base, and
A) A carboxyl group
B) An ammonium ion
C) A phosphate group
D) A radioactive element
E) None of the above
20) Which of the cytoskeletal systems is most stable?
A) Microfilaments
B) Microtubules
C) Intermediate filaments
D) The polyfibrils