3. How does one judge the size of a reptile?
(a) By the number of coils.
(b) By the number of scales.
(c) By the size of its fangs.
(d) By the distance between the eyes.

4. What opportunity does Kate advise Alex to never miss?
(a) An opportunity to keep his mouth shut.
(b) An opportunity to learn.
(c) An opportunity to offer his opinion.
(d) An opportunity to express himself.

5. What does Kate believe is the only way to learn?
(a) Listen to your elders.
(b) Study the mistakes of others.
(c) Read about the achievements of others.
(d) Find out for yourself.

6. What Amazon fish grows to the size of a carpet?
(a) The piranha.
(b) The river dolphin.
(c) The flounder.
(d) The manta ray.

7. What is Ludovic Leblanc's profession?
(a) Photographer.
(b) Anthropologist.
(c) Writer.
(d) Entrepreneur.

8. What has made Alex brave enough to swim in the Amazon without fear?
(a) His experience being lost in New York.
(b) His experience with the snake.
(c) His experience with the river dolphin.
(d) His experience with Morgana.

9. Which of Kate's habits are bad for her health?
(a) Smoking a pipe and forgetting to eat.
(b) Drinking vodka and smoking a pipe.
(c) Drinking vodka and refusing to exercise.
(d) Refusing to exercise and forgetting to eat.

10. What is the best moment of the river trip for Alex?
(a) Sleeping under the stars.
(b) Laughing with his grandmother.
(c) Trying interesting new foods.
(d) Swimming with a dolphin.

11. What negative quality does Kate see in Alex?
(a) Fear.
(b) Dishonesty.
(c) Arrogance.
(d) Cruelty.

12. How does Kate teach Alex not to smoke?
(a) By showing him medical records.
(b) By promising him a reward if he never smoked.
(c) By introducing him to a cigarette addict.
(d) By making him smoke cigars.

13. For what is the Rio Negro named?
(a) Its obsidian.
(b) Its sediment.
(c) Its canopy of shade.
(d) Its deadly snakes.

14. Why does Cesar Santos say the Amazon natives rejected Christianity?
(a) It is too complicated.
(b) It is too demanding.
(c) It is too simple.
(d) It is too mystical.

15. Who is described as looking like a stereotypical wild game hunter?
(a) Ludovic Leblanc.
(b) Timothy Bruce.
(c) Joel Gonzalez.
(d) Cesar Santos.