Class 7 English — Chapter 7: An Alien Hand

Chapter 7: An Alien Hand is a chapter in Class 7 English (An Alien Hand), part of the CBSE NCERT curriculum followed by over 25 million students across India. This chapter covers 8 topics including Characters and Underground Setting, The Planet's Environmental History, Survival on the Planet's Surface. BrainWeave provides free AI-powered explanations — by voice or text, in Hindi or English — with no signup required.

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What you'll learn

▸Characters and Underground SettingCore concept

Tilloounderground habitatforbidden passageartificial conditions
▸The Planet's Environmental HistoryCore concept

forefathersbalance of natureextinctsuperior technology
▸Survival on the Planet's Surface

special suitreservoir of oxygenwell-equippedtrained
▸Tilloo's Forbidden Journey

security cardmagic cardinvisible mechanical devicesescorted
▸The Arrival of the Alien SpacecraftCore concept

Control RoomTV screentrajectoryspacecraft
▸The Committee's Response StrategyCore concept

Number OneNumber Twopassive observationnon-interference
▸Tilloo and the Red Button IncidentCore concept

red buttoncontrol panelmechanical handdamage
▸The NASA Viking Mission Perspective

NASAViking MissionMartian soilpress conference

Chapter Summary

Understand the main character Tilloo, his family, and the artificial, underground environment they live in on a planet, including the reasons for this habitat.

Comprehend the explanation given by Tilloo's father about how the planet's environment changed (the sun turning hostile), which forced their ancestors to move underground and rely on technology for survival.

Describe the harsh conditions on the planet's surface, such as thin air and low temperature, and the special equipment and training required for Tilloo's father to work there.

Analyze Tilloo's curiosity and motivations for exploring the forbidden passage, how he uses his father's security card, and how he is ultimately detected and brought back home.

Detail the detection of the alien spacecraft in the Control Room, the excitement it causes among the workers, and the initial analysis that it is heading towards their planet.

Analyze the different viewpoints presented by Number One, Number Two, and Number Three in the Central Committee meeting, leading to the final decision of non-interference and passive observation.

Explain the sequence of events in the Control Room where Tilloo, driven by an irresistible desire, presses the red button on the control panel, causing the alien mechanical hand to stop working.

Understand that the story's 'alien spacecraft' is the real-world NASA Viking Mission to Mars. Recognize the human scientists' perspective on the temporary malfunction and the ultimate discovery of no signs of life.

Practice Questions from this Chapter

Tap "Get Solution" on any question to ask our AI tutor.

Explain life underground technology. Get Solution →
Show alien spaceship designs. Get Solution →
Describe Mars' ancient environment. Get Solution →
Where do Tilloo and his parents live? Get Solution →
What object does Tilloo use to get through the metal door to the forbidden passage? Get Solution →
What did Tilloo hope to see when he went up to the surface? Get Solution →
According to Tilloo's father, why is it impossible for an ordinary person to survive on the surface? Get Solution →
What provides the power that makes life comfortable for the underground community? Get Solution →

Did you know?

💡 Many space probes have searched Mars for any tiny signs of past life.
💡 Some scientists think alien life could thrive deep beneath icy alien moons.
💡 The term "exoplanet" refers to planets orbiting stars beyond our sun.
💡 Modern astronauts wear spacesuits that provide air, water, and temperature control.
💡 There are cities on Earth built entirely underground to escape harsh weather.

Frequently Asked Questions

How many topics are covered in this chapter?

This chapter covers 8 key topics: Characters and Underground Setting, The Planet's Environmental History, Survival on the Planet's Surface, Tilloo's Forbidden Journey, The Arrival of the Alien Spacecraft, and more. The BrainWeave AI tutor explains each one with examples.

Is Chapter 7: An Alien Hand important for board exams?

Class 7 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.

Can I get NCERT solutions for this chapter in Hindi?

Yes. BrainWeave's AI tutor supports Hindi, English, and Hinglish for both voice and text chat. Just ask your question in your preferred language.

Is BrainWeave free for Class 7?

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Can I use voice chat for this chapter?

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How is BrainWeave better than static NCERT solutions sites?

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