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CBSE Class 7th English Extra Questions Chapter 10 An Alien Hand

1-MARK QUESTIONS

Q1: Why was Tilloo forbidden to go to the underground passage?

A1: Tilloo was forbidden because the passage led to the surface of the planet, which was unsafe for ordinary people.

Q2: What did Tilloo use to open the metal door?

A2: Tilloo used his father’s security card to open the metal door.

Q3: Why couldn’t ordinary people survive on the surface of the planet?

A3: Ordinary people couldn’t survive on the surface because the air was too thin to breathe and the temperature was extremely low.

Q4: What did Tilloo’s father use to survive on the surface?

A4: Tilloo’s father used a special suit with an oxygen reservoir, boots for easy walking, and equipment to keep warm.

Q5: What caused the animals, birds, and fish on the planet to become extinct?

A5: A slight change in the sun’s nature upset the balance of nature, making it hostile for life on the planet.

Q6: How did humans adapt to survive after the surface became uninhabitable?

A6: Humans adapted by moving underground and living under artificial conditions powered by solar energy.

Q7: What caused excitement in the Control Room one day?

A7: A spacecraft was detected approaching the planet, causing excitement in the Control Room.

Q8: What was the opinion of the Central Committee’s Number One regarding the spacecraft?

A8: Number One suggested that the spacecraft could be destroyed with missiles but advised against it to avoid revealing their existence.

Q9: What malfunction occurred in the Viking Mission’s spacecraft?

A9: The mechanical hand of the spacecraft, meant to collect Martian soil samples, stopped working temporarily.

Q10: How did the Viking Mission conclude about life on Mars?

A10: The Viking Mission concluded there were no signs of life on Mars after examining soil samples.

2-MARK QUESTIONS

Q11: Why did Tilloo want to explore the forbidden underground passage?

A11: Tilloo was curious about where his father went every day and wanted to see the surface of the planet.

Q12: What precautions were taken by the community to ensure safety from the surface conditions?

A12: The community lived underground, used solar energy for power, and had security systems to prevent unauthorized access to the surface.

Q13: What advice did the President receive from Number Two regarding the spacecraft?

A13: Number Two advised passive observation and non-interference with the spacecraft to avoid revealing the existence of life on the planet.

Q14: Describe the appearance and function of the spacecraft’s mechanical hand.

A14: The spacecraft’s mechanical hand emerged, bent toward the surface, and attempted to dig soil samples for examination.

Q15: How did Tilloo’s actions disrupt the spacecraft’s operation?

A15: Tilloo pressed a red button on the control panel, causing the spacecraft’s mechanical hand to stop working temporarily.

4-MARK QUESTIONS

Q16: Why did humans shift from living on the surface to underground habitats?

A16: Humans moved underground because the sun’s slight change made the surface uninhabitable. The air became thin, temperatures dropped drastically, and the ecosystem collapsed, causing the extinction of birds, animals, and fish. Superior technology allowed humans to adapt and survive by creating artificial living conditions underground, powered by solar energy.

Q17: Explain the Central Committee’s approach to dealing with the approaching spacecraft.

A17: The Central Committee adopted a cautious and passive approach. Number One suggested they had the capability to destroy the spacecraft but advised against it. Number Two and Number Three recommended avoiding interference and minimizing surface activities to maintain the impression of an uninhabited planet. This cautious approach was to prevent the risk of exposing their existence to potentially powerful extraterrestrial beings.

Q18: What does Tilloo’s character reveal about human curiosity and its consequences?

A18: Tilloo’s actions reflect innate human curiosity and the desire to explore the unknown. Despite warnings, his fascination with the forbidden passage led him to sneak in and interfere with the spacecraft. This shows how curiosity can lead to unintended consequences, as his action temporarily disrupted a significant scientific mission. It highlights both the positive and negative aspects of curiosity.

Q19: What role did technology play in the survival of Tilloo’s community?

A19: Technology was crucial for the survival of Tilloo’s community. It allowed humans to move underground and create livable conditions, generate power from solar energy, and monitor and repair surface equipment. Advanced security systems ensured safety, while specially designed suits enabled work on the hostile surface. Without technology, survival would have been impossible after the planet’s natural ecosystem collapsed.

Q20: How does the story highlight the difference between humans on Mars and the NASA scientists?

A20: The story contrasts the perspectives of the humans on Mars, who are hiding their existence, and the NASA scientists, who are actively searching for life on Mars. The Martians prioritize secrecy and caution to avoid potential danger from extraterrestrial visitors, while NASA demonstrates human curiosity and determination to explore and understand the universe. This contrast reflects different survival strategies and attitudes toward discovery.

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