Useful as heck question banks

When i say useful i mean they come with bloody answers, some even explanations.
Thank you kind people who provided all these.
These are places with MCQs when Quizlet fails me.

Biochem II related:

ETC: http://www.andrew.cmu.edu/course/03-231/MCQF05/MCQLec30.htm
TCA: http://www.andrew.cmu.edu/course/03-231/MCQF05/MCQLec29.htm
TCA: http://www.indiabix.com/biochemistry/tca-cycle/034004
TCA: http://www.biologyquizon.com/2014/08/quiz-on-krebs-cycle-or-tca-cycle-or.html
Biochem for Medics: (HELLA GOOD /hinthint) http://www.namrata.co/category/metabolism-lipids/multiple-choice-questions-metabolism-lipids/
MCQ based on Elliott^2 textbook: (hella good too) http://global.oup.com/uk/orc/biosciences/molbiol/elliott_elliott4e/01student/mcqs/ch15/?view=Standard

Also useful: Information texts (e.g. sites, textbook excerpts etc) (good drawings sometimes)
Synthesis and Degradation of Nucleotides: http://www.columbia.edu/cu/biology/courses/w3034/Larry/readings/PurineChapter/PurineChapter.html

Immunology related:
 http://www.wiley.com/legacy/products/subject/life/immuno/questions_10.html