1. What important part of history is happening at the time of the expedition?
(a) The Summer Olympics.
(b) The Formula One Grand Prix.
(c) World War II.
(d) World War I.

2. What is Tex's outstanding characteristic?
(a) He loves diesel engines.
(b) He is afraid of the water.
(c) He cannot make a left turn.
(d) He loves to sleep in the daytime and do chores at night.

3. What type of biologist is preferred by John Steinbeck?
(a) The type who teaches in the university.
(b) The type who study dead, preserved animals.
(c) The type who work for the big corporations.
(d) The type who studies life in all its complexities.

4. Steinbeck worries about the soldiers' reaction to what during their travel?
(a) Because of the war, he is worried that the soldiers might not understand the nature of their equipment and the purpose of their travels.
(b) He is worried that the soldiers might ask them to give up their supplies for the war.
(c) He is worried that the soldiers might ask to hide in the vessel.
(d) He is worried that the soldiers might want to join them which will result to problems in food and water.

5. What does the author describe in the story, particularly at the beginning of the book?
(a) He describes Mexico in great detail, including the politics and legislations of the land.
(b) The difficulties associated with in planning and preparing for an expedition, as well as the difficulty of finding a good vessel and captain.
(c) The famous sea expeditions in the past, and how long each expedition lasted.
(d) The major characters of the story, their educational backgrounds, and their family tree.