2. What has the planet in Sirius Sector been destroyed by in Chapter 12?
(a) Polllution.
(b) Floods.
(c) Space wars.
(d) Radiation.

3. What did the robots understand that made them leave the humans alone in Chapter 17?
(a) Revulsion.
(b) Group consciousness.
(c) Attraction.
(d) Hunger.

4. Whose part does Trevize demand to know in Chapter 19?
(a) Dom.
(b) Novi.
(c) His.
(d) Pelorat.

5. When a tether snakes out, what does the figure that crosses, strip off to reveal in Chapter 17?
(a) An old man.
(b) A young woman.
(c) An old woman.
(d) A young man.

6. What does Kodell insist was the Mayor's decision in Chapter 16?
(a) Order robots.
(b) Withdraw warships.
(c) Deploy armed guns.
(d) Fight regents.

7. Where do Trevize and Pelorat travel in Chapter 11?
(a) Third planet.
(b) Fourth planet.
(c) Sixth planet.
(d) First planet.

8. What is Gaia not allowed to do in Chapter 19?
(a) Force its vision.
(b) Control people.
(c) Burn robots.
(d) Fight wars.

9. What is distinct about every place and vessel according to Trevize in Chapter 11?
(a) Smell.
(b) Color.
(c) Shape.
(d) Size.

10. What is considered no longer habitable in Chapter 12?
(a) Gaia.
(b) Trantor.
(c) Earth.
(d) Terminus.

11. What does SQ invite Trevize and Pelorat home to have?
(a) A trade meeting.
(b) A chess match.
(c) A vegetarian dinner.
(d) A game of squash.

12. In what must Gendibal and Novi remain until Trevize breaks it in Chapter 19?
(a) Hyper alert.
(b) Consciousness.
(c) Triple stalemate.
(d) Static formation.

13. What commemorates earth men reaching Sayshell in Chapter 13?
(a) Union Day.
(b) Galactic Day.
(c) Day of Flight.
(d) Five Sisters.

14. What is Gendibal able to do which makes him capable of handling almost anything in Chapter 15?
(a) Hyperjump.
(b) Holograph himself.
(c) Control minds.
(d) Program computers.

15. What is lacking that typically indicates human life to Trevize on the planets in Chapter 15?
(a) Fallen stars.
(b) Broken wars.
(c) Pollution.
(d) Radio noise.