1. What is Heaven, according to the author?
(a) A fallacy, created by those who misinterpreted visionary experiences.
(b) A vantage point for viewing divinity.
(c) A place of rest and repose, where no one is doing anything.
(d) A concept invented by humanity because of our desperate need for hope.

2. Why do people sometimes leave flowers as a religious offering, according to the author?
(a) Because they are a living sacrifice but not associated with feelings of guilt and shame the way other sacrifices are.
(b) Because they feel, on some level, that they are giving back something which is indigenous to Heaven.
(c) Because they don't really understand the significance of doing so.
(d) Because they don't have anything precious to give, but flowers are always available.

3. How do utilitarians feel about art?
(a) It is only worthwhile if it is beautiful and functional, as in the case of fine architecture.
(b) It doesn't have much value.
(c) It is a necessary diversion for humanity.
(d) It is useful only when it is appreciated by most of society.

4. In what type of plant is the substance being tested commonly found?
(a) A tree.
(b) A bush.
(c) A cactus.
(d) A flower.

5. What is the main reason for conducting the experiment in which the author participates?
(a) A need for more comprehensive information regarding the drug's long-term side effects.
(b) A need to understand why the drug has been used in religious and secular ceremonies.
(c) A need to catalogue the psychological effects of the drug on someone who already has a psychiatric illness.
(d) A need to understand the so-called "visionary" experiences associated with the drug.