Biology 141 Old Exams Part 1
These questions are provided to give you a way to test your knowledge.
exam questions are taken from previous years exams and may not represent the exact coverage
or exam structure for this year. The topics included in this collection include biological
chemistry, and biomolecule structure and function (nucleic acids, proteins, carbohydrates, and
Many of the graphics are unfortunately lost in the transfer.
The best use of these questions is for you to learn what topics you need to study.
being able to answer these questions will not help you because you will not be asked THESE
However, the understanding involved in answering these questions will be tested on
the real exam.
Be sure that you can explain WHY an answer is correct.
ANSWERS WILL NOT BE PROVIDED BY THE PROFESSOR OR THE BIOMENTORS.
I correctly printed and bubbled in my name and Emory ID # on the scantron sheet and short answer
A) True B)
How do isotopes differ from each other?
A) number of protons
B) number of electrons
C) number of neutrons
D) valence electron distribution
E) ability to form ions
A covalent chemical bond is one in which
A) electrons are removed from one atom and transferred to another atom so that the two atoms
become oppositely charged.
B) protons or neutrons are shared by two atoms so as to satisfy the requirements of both.
C) outer-shell electrons are shared by two atoms so as to satisfactorily fill the outer electron shells
D) outer-shell electrons of one atom are transferred to the inner electron shells of another atom.
E) the inner-shell electrons of one atom are transferred to the outer shell of another atom.
Which of the following represents a polar covalent bond?
A) H-H B)
Which of the following solutions has the greatest concentration of hydrogen ions [H+]?
A) gastric juice at pH 2
B) vinegar at pH 3
C) tomato juice at pH 4
D) black coffee at pH 5
E) household bleach at pH 12
Which of these is reflective of the hierarchical organization of life from most to least inclusive?
A) kingdom, phylum, class, order, family, genus, species
B) phylum, class, order, kingdom, family, genus, species
C) kingdom, order, family, phylum, class,
D) genus, species, kingdom, phylum, class, order, family
E) class, order, kingdom, phylum, family, genus, species