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Q1 How does Tilloo manage to find his way to the ‘forbidden passage’?
Ans: Tilloo had managed to take away his father's security card when he was having a sleep and entered the forbidden passage.
Q2 What did Tilloo hope to see once he emerged from his underground home?
Ans: Tilloo wishes to see the sun if it was day and darkness if it was night.
Q3 Why did Tilloo’s father advise him not to try to reach the surface of the planet?
Ans: Tilloo’s father gave advise to him not to reach the surface of the planet because of thin air and freezing temperature on the surface of the planet.
Q4 What changes had occurred, which forced people to live in underground homes?
Ans: The suns position was minutely changed which caused disturbance in the natural balance. Bird extinction occurs then animals followed and people were forced to live underground.