1. Who enjoys the favors of the locals the most in Puerto Refugio?
(a) Steinbeck and Ricketts.
(b) Tiny and Sparky.
(c) Tex and Tony.
(d) Sparky and Steinbeck.

2. What concept is consistent throughout the book, including the section dated March 24?
(a) The concept that biology should be approached with an eye towards how each individual part fits into the larger whole of nature.
(b) The concept that men should set aside their differences when they are travelling at sea.
(c) The concept that safety should be the first priority in any travel, rather than adventure and mischiefs.
(d) The concept that war is something that should be looked at from an objective point of view, rather than subjective.

3. How are Tiny and Sparky presented?
(a) Tiny and Sparky are presented as two individuals who have no similarities or connection to each other.
(b) Tiny and Sparky are presented as similar to husband and wives, always looking after each other, and attending to each other's needs.
(c) Tiny and Sparky are presented almost as two halves of one person, seeming to always do the same things at the same time.
(d) Tiny and Sparky are presented as mortal enemies, always fighting each other and having opposing views.

4. What do Steinbeck and Ricketts buy that was eventually taken by US customs?
(a) A local liquor that is reputed to enable men to survive without water for more than a week.
(b) A local liquor that is reputed to substitute for fuel.
(c) A local liquor that is reputed to be an aphrodisiac.
(d) A local liquor that is reputed to increase alertness when at sea.

5. Why does the expedition party set sail to La Paz?
(a) They have relatives and friends who live in La Paz and they are eager to visit them.
(b) They have been told that there are a lot of aphrodisiacs being sold in the place.
(c) They have heard much about La Paz and are eager to see the city.
(d) They have heard of a magic show in La paz which they all wanted to see.