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CLASS 11 · HORNBILL · CHAPTER 4

The Ailing Planet: the Green Movement’s Role

Original, student-friendly answers for The Ailing Planet: the Green Movement’s Role and its textbook activities.

13 worked answersOriginal sample responses

13 worked answers · short steps first, explanations when you need them

The Ailing Planet: the Green Movement’s Role

Textbook pages

Question Understanding the Text

Which ideas in the article support the title “The Ailing Planet”?

Steps only

Find the author’s description of Earth’s condition.

Connect the examples of damage to the image of illness.

Answer

Earth is called ailing because its natural systems are being damaged and its health is declining.

Question Understanding the Text

What does the notice “The world’s most dangerous animal” in the Lusaka zoo signify?

Steps only

Notice that the cage contains a mirror.

Explain why human actions can make people dangerous to the planet.

Answer

The mirror points to humans: our careless actions can damage the environment, but we can choose to change.

Question Understanding the Text

How are the Earth’s principal biological systems being depleted?

Steps only

Name the four systems: fisheries, forests, grasslands, and croplands.

Match each system with the harm described.

Answer

Overfishing, deforestation, overuse of grasslands, and damage to farmland weaken the four systems.

Question Understanding the Text

Why does the author say that population growth can distort the future of human society?

Steps only

Consider the pressure of more people on resources and public needs.

Include the link between poverty, education, health, and family planning.

Answer

Rapid growth raises pressure on resources, jobs, and services; education, health, and voluntary family planning can ease it.

Question Talking about the Text

“Laws are never respected nor enforced in India.” Discuss this statement in relation to environmental protection.

Steps only

Give a balanced view rather than treating the statement as true in every case.

Explain why laws need enforcement and public cooperation.

Answer

Environmental laws exist, but weak or uneven enforcement can make them ineffective; public cooperation also matters.

Question Talking about the Text

What warning is contained in the question about leaving future generations a “scorched planet”?

Steps only

Explain what “scorched” and “impoverished landscapes” suggest.

Relate the warning to choices made today.

Answer

It warns that careless use of nature today could leave future generations with a damaged, resource-poor planet.

Question Talking about the Text

What does the idea that we have borrowed the Earth from our children mean?

Steps only

Think about the responsibility of a borrower.

Apply it to natural resources and future generations.

Answer

We should care for the planet and pass it on in good condition to future generations.

Question Talking about the Text

Describe ways in which rapid population growth can affect everyday life.

Steps only

Choose everyday areas such as housing, transport, schools, water, or jobs.

Explain one or two effects clearly.

Answer

It can increase crowding and pressure on housing, transport, water, schools, hospitals, and jobs.

Question Thinking about Language

Give the meanings of these Latin expressions: prima facie, ad hoc, in camera, ad infinitum, mutatis mutandis, caveat, and tabula rasa.

Steps only

Use each phrase’s common meaning in English.

Keep the meanings short and clear.

Answer

Prima facie: at first sight; ad hoc: for a purpose; in camera: privately; ad infinitum: endlessly; mutatis mutandis: with needed changes; caveat: warning; tabula rasa: clean slate.

Question Working with Words I

Explain the connotation of “gripped the imagination of”, “dawned upon”, “ushered in”, “passed into current coin”, and “passport of the future”.

Steps only

Identify the familiar image in each phrase.

State the idea it expresses in this context.

Answer

They mean: captured people’s interest; became understood; began a new era; became commonly used; and opened a way to the future.

Question Working with Words II

Write one literal and one figurative sentence for each word: grip, dawn, usher, coin, and passport.

Steps only

Use the literal meaning in one sentence.

Use an accepted figurative meaning in another.

Answer

Use each word once in its direct sense and once in a figurative sense; sample pairs are given in the expanded answer.

Question Things to Do

Create a short poster message that encourages people to protect the environment.

Steps only

Write a clear headline.

Add two practical actions and a brief call to action.

Answer

“Keep our planet green: plant trees, save water, and reduce plastic. Care for our shared home!”

Question Things to Do

How can you record and report an environmental problem in your area?

Steps only

Observe and note the place, date, and what happened.

Collect safe evidence and suggest a responsible way to report it.

Answer

Record the date, place, and facts; gather safe evidence; then report it to a responsible adult or local authority with a suggested remedy.

Questions and activities were checked against the official NCERT chapter PDF ↗. Answers are written in original wording; no literary passage or illustration is reproduced.

Learnivelle is not affiliated with NCERT.

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