1. The case in question is "The Adventure of Black Peter". Holmes is investigating the murder of Peter Carey, the retired ship captain. Which field of knowledge did he use to deduce that the killer is not John Hopley Neligan? Chemistry British Law Geology Physiology

2. The case in question is "Musgrave Ritual". Which area of knowledge enabled Holmes to arrive at the actual location of the treasure? Trigonometry Foot prints British Law Chemistry

3. The case in question here is "The Reigate Puzzle". What knowledge did Holmes use to trap the murderers? Genealogy Foot prints Graphology Biology

4. This time the case is "The Boscombe Valley Mystery". How did Holmes correctly identify the killer of Mr. McCarthy? Toxicology Graphology Foot prints Psychology

5. What knowledge came to Holmes' aid in solving the mystery of "The Lion's Mane"? Foot prints Graphology Toxicology Chemistry

6. Now to something a bit different. Holmes was able to catch the schemer in "The Adventure of the Norwood Builder" by observing what? Chemistry Foot prints Finger prints Graphology

7. Which area of scientific knowledge helped Holmes to solve the "Adventure of the Creeping Man"? Medicine Biology Graphology Foot prints

8. What knowledge came to Holmes' aid in solving the problem of "Five Orange Pips"? History Biology Chemistry Toxicology

9. What gave Holmes an insight into solving the troubles of Ms Violet Hunter in "The Copper Beeches" ? Foot prints Chemistry Biology Genetics

10. What knowledge helped Holmes in identifying the culprit in "A Case of Identity"? Foot prints Biology Genetics Typography