The purpose of a bibliographic card in the index-card method of note-taking is to record
a) quotations, paraphrases, and summaries
b) mla-style source information
c) autobiographical information about the author of the source
d) the vocabulary associated with academic research

The correct answer is The purpose of a bibliographic card in the index-card method of note-taking is to record (b.) MLA-style source information.

A bibliographic card is a card in which the author who has written a work used as a source for information for a research is given credit. When writing a bibliographic card it is necessary to include the following information: author of the source, 2) title of the source, 3) city of publication, 4) publisher, 5) year of publication. For instance, the bibliography card in the index card for William Burns' book A Brief History of Great Britain should be:  

Burns, William. A Brief History of Great Britain. New York, Facts on File, 2010.

most likely the answer would be a.) cupidity

definitions:

cupidity - greed for money or possessions

hydrophobia - extreme or irrational fear of water, especially as a symptom of rabies in humans

pathology - the science of the causes and effects of diseases, especially the branch of medicine that deals with the laboratory examination of samples of body tissue for diagnostic or forensic

patho -   relating to disease