What could be the reason for the disintegration of Gondwana? (Journey to the end of the Earth)

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Q. What could be the reason for the disintegration of Gondwana? (Journey to the end of the Earth)

CBSECBSE Class XII Board 2025Subjective· 2mImportance★★★★★

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Concept understanding — Reading Comprehension

Reading Comprehension: The Art of Understanding What You Read

Think about the last time you read a WhatsApp message from a friend and completely misunderstood their tone. Or the time you read a news headline and later realised the article said something quite different. That gap between reading the words and grasping the meaning is exactly what Reading Comprehension is about.

The Everyday Intuition

Reading is not just about recognising words on a page. When you read a story, a newspaper editorial, or even a legal document, your brain is doing far more than decoding letters. It is actively building a mental model of what the writer is trying to say. You are connecting ideas, inferring what is left unsaid, judging the writer's intent, and deciding what matters.

Reading Comprehension is the ability to do all of this accurately and efficiently. It is the difference between being able to read a paragraph and being able to understand it well enough to answer questions about it, summarise it, or use its information.

The Precise Meaning

In the context of your exams (CBSE, ICSE, state boards, or competitive tests like CUET, CLAT, or banking exams), Reading Comprehension is a tested skill where you are given a passage of prose — factual, literary, or discursive — and asked questions that check whether you have truly understood it.

The NCERT textbooks for English (from Class 9 onwards) treat Reading Comprehension as a core learning outcome. They do not give you a formula to memorise. Instead, they expect you to develop the ability to:

Identify the main idea — what is the passage really about?
Understand the structure — how are the ideas organised?
Infer meaning — what is implied but not directly stated?
Interpret tone and attitude — is the writer serious, sarcastic, critical, or neutral?
Understand vocabulary in context — what does a word mean here, not just in a dictionary?
Distinguish between fact and opinion — what is stated as true versus what is the writer's view?

Important

Reading Comprehension is not about memorising the passage. It is about understanding it well enough to answer questions without looking back at the text repeatedly. In exams, you are expected to read the passage once or twice, then answer from your understanding.

Why It Matters

You might wonder: why is this tested so heavily in commerce and humanities streams? Because in your future — whether you become a lawyer, a manager, an economist, a journalist, or a civil servant — you will spend your days reading reports, contracts, policies, and articles. Your ability to extract the right information quickly, to spot what is missing, and to judge the reliability of a source will determine your effectiveness.

In your exams, Reading Comprehension passages are often the highest-scoring section if you approach them correctly. They require no prior knowledge of a subject — only the ability to read carefully and think clearly.

How to Approach a Passage

Here is a practical method that works for any prose passage:

Read the questions first — this tells you what to look for.
Skim the passage — get the gist in 30 seconds. What is the topic? What is the writer's main point?
Read carefully — now read with purpose, underlining key points and noting where answers might lie.
Answer in your own words — do not copy entire sentences from the passage unless the question asks for a direct quote. …

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Gondwana disintegrated due to the fundamental geological process of plate tectonics, where convection currents in Earth's mantle caused the supercontinent to rift apart, leading to the formation and slow drift of the modern continents.

Gondwana was a colossal supercontinent that existed hundreds of millions of years ago, comprising what are now South America, Africa, Antarctica, Australia, and India. Its breakup is a classic example of continental drift, a key aspect of plate tectonics. The Earth's outermost layer, the lithosphere, is not a single, solid shell but is broken into several large plates. These plates are in constant, albeit extremely slow, motion, driven by powerful forces originating deep within the Earth. This dynamic nature of our planet's surface is the fundamental reason why Gondwana could not remain intact.

Here is a step-by-step explanation of the process:

The Supercontinent Gondwana: For a significant period, roughly from 500 to 180 million years ago, the landmasses that now form the southern continents were joined together as a single supercontinent called Gondwana. It was situated primarily in the Southern Hemisphere and supported a unique ecosystem, including early forms of life.
The Driving Force: Plate Tectonics: The primary reason for Gondwana's disintegration is the phenomenon of plate tectonics. Deep within the Earth's mantle, intense heat from the core generates slow but powerful convection currents. Hot, less dense material rises towards the surface, spreads laterally beneath the lithospheric plates, and then cools and sinks back down. This continuous circulation creates a dragging force on the overlying tectonic plates, causing them to move, collide, or pull apart.
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Initial Rifting and Separation: Over millions of years, these immense forces caused significant stress within the vast Gondwana supercontinent. Around 180 million years ago, rifting began. This process involves the crust stretching and thinning, eventually leading to the formation of deep valleys and, ultimately, new ocean basins as the landmasses pull apart. The first major splits occurred, separating Africa and South America from the rest of Gondwana. …

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Same / Similar Concept — real previous-year questions on the same or a closely similar concept, not this exact question.

CBSE 2025Set 1/5/11 markMCQ
$Q. The Shokalskiy was wedged in a thick stretch of ice. As a result the captain ___________. (A) felt frustrated by the obstacles (B) decided to surge ahead (C) remained there till the ice melted (D) decided to turn around (Journey to the end of the Earth)$
›Reveal solutionSolution
The passage describes the Shokalskiy being "wedged" in ice, implying it was stuck and unable to move. The only logical outcome is that the ship remained there until the ice melted, making option (C) the correct answer.

The key to this question lies in understanding the precise meaning of the word "wedged" in the context of a ship in polar waters. "Wedged" means forced tightly into a narrow space, unable to move freely. When a ship is wedged in thick ice, it is not a matter of choice or frustration — it is a physical impossibility to surge ahead or turn around. The ice holds the vessel captive.

Let's examine each option carefully:

Option (A): "felt frustrated by the obstacles" — While the captain might have felt frustrated, the question asks what the captain did as a result. The sentence structure ("As a result the captain...") requires an action or state, not an emotion. This option describes a feeling, not a consequence.

Option (B): "decided to surge ahead" — If the ship is wedged in thick ice, surging ahead is physically impossible. The ice prevents forward movement. A captain cannot "decide" to do something that the ship cannot physically do.

Option (C): "remained there till the ice melted" — This is the only realistic outcome. When a ship is firmly stuck in ice, the crew must wait for natural conditions to change — typically for the ice to break up or melt. This is a common occurrence in polar exploration narratives. …
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CBSE 2025Set 1/5/11 mark
$Q. What did the Captain instruct the team to do? (Journey to the end of the Earth)$
›Reveal solutionSolution
After their ship became trapped in the thick Antarctic ice, the Captain instructed the team to disembark and walk on the frozen ocean, allowing them to experience the vast, pristine landscape and observe the ice shelf up close.

The story "Journey to the End of the Earth" by Tishani Doshi recounts an expedition to Antarctica, a continent that serves as a critical window into Earth's geological past and environmental future. The journey itself is a central theme, highlighting the immense scale and isolation of this polar region. When the expedition's ship, the Akademik Shokalskiy, becomes unexpectedly trapped in the vast expanse of ice, it creates a unique situation. The Captain's instruction at this juncture is not merely a practical command but a pivotal moment that transforms a predicament into an unparalleled opportunity for direct engagement with the Antarctic environment. This decision underscores the expedition's core objective: to move beyond distant observation and foster a deep, immersive understanding of the continent.

Here is a step-by-step explanation of the Captain's instruction:

The Ship's Predicament: The narrator, Tishani Doshi, is aboard the Russian research vessel, the Akademik Shokalskiy, on an expedition to Antarctica. As they navigate the icy waters, the ship encounters an immense stretch of thick ice. Despite its robust design, the vessel eventually becomes firmly wedged in this ice, unable to move forward or backward. This unexpected halt leaves the ship and its crew stranded in the middle of the frozen ocean.

The Captain's Initiative: Faced with the ship being immobilized, the Captain, who holds ultimate responsibility for the vessel and the safety of everyone on board, makes a decisive move. Rather than simply waiting for the ice to clear or attempting immediate, potentially risky maneuvers to free the ship, he recognizes the unique opportunity presented by their stationary position. He understands that being stuck in the heart of the frozen continent offers a chance for the expedition members to experience Antarctica in a way that active navigation would not permit.

The Specific Instruction: The Captain instructs the entire team, including the narrator, to disembark from the ship. He tells them to climb down the gangplank and walk directly onto the vast, frozen expanse of the ocean. The very ice that had trapped their ship now became a temporary, solid ground for them to explore. …
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CBSE 2025Set 1/5/11 mark
$Q. Why does the writer describe what happens as an epiphany? (Journey to the end of the Earth)$
›Reveal solutionSolution
The writer calls it an epiphany because Antarctica's stark, timeless landscape triggered a sudden, profound realization about Earth's geological history and humanity's fragile place within it — a moment of clarity that reshaped her entire understanding.

The term "epiphany" signals a sudden, transformative insight that changes how we see the world. In Journey to the End of the Earth, Tishani Doshi uses it deliberately to mark the moment when Antarctica's physical reality forced her to grasp truths that had been abstract until then.

Why the experience qualifies as an epiphany

The setting strips away distractions

Antarctica is Earth's most isolated continent — no human civilization, no noise, just ice and rock stretching back millions of years. This emptiness creates space for deep reflection. When everyday life falls away, the mind confronts larger questions it usually avoids.

Geological time becomes visceral, not theoretical

Standing on ice that holds 90% of Earth's freshwater, walking over land that was once part of Gondwana (the ancient supercontinent), the writer feels the planet's 4.6-billion-year history. What was once a textbook fact — that continents drifted, climates shifted, species rose and vanished — becomes immediate and real. The ice cores preserve half a million years of climate data; you're literally looking at time frozen in layers.

Human insignificance and responsibility collide

The epiphany has two edges. First, the humbling recognition: humans are newcomers (we've existed for a geological eyeblink), and nature operated on scales that dwarf our existence. Second, the unsettling realization: despite our smallness, we've altered this ancient system in mere decades. The melting ice, the warming trends — they're visible consequences of human action. This paradox — we're tiny yet powerful enough to destabilize a planet — hits with sudden force.

Antarctica as a laboratory and warning

The continent is a "crucial element in the debate on climate change." Its pristine state makes environmental shifts starkly visible. There's no urban sprawl to confuse the signal. When you see glaciers calving, when you understand that ice loss here raises sea levels globally, the abstract concept of "climate change" crystallizes into a concrete, urgent reality. …
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CBSE 2025Set 1/6/11 markMCQ
$Q. Select the suitable option to complete the following: Gondwana, separating into countries, contributes to the ______. (A) complexity of geological processes (B) simplicity of continental formation (C) speed of geological changes (D) stability of ancient landmasses (Journey to the end of the Earth)$
›Reveal solutionSolution
Gondwana's breakup into separate continents over millions of years exemplifies the intricate, multi-stage nature of plate tectonics and geological evolution. The answer is (A).

The question asks us to understand what the fragmentation of Gondwana—the ancient supercontinent—tells us about Earth's geological character. Gondwana began breaking apart roughly 180 million years ago, eventually forming South America, Africa, Antarctica, Australia, and the Indian subcontinent. This wasn't a simple split; it involved rifting, seafloor spreading, volcanic activity, mountain building, and climate shifts across vast timescales.

When we say a process is "complex," we mean it involves many interacting factors, stages, and mechanisms. The breakup of Gondwana is a textbook example: different fragments separated at different times, moved in different directions, collided with other landmasses (India crashing into Asia to form the Himalayas), and left behind geological signatures—fossils, rock formations, glacial deposits—that we piece together like a puzzle today.

Let's evaluate each option:

(A) Complexity of geological processes

The separation of Gondwana required continental rifting, mantle convection, plate boundary formation, and differential movement of multiple fragments. Each stage left distinct geological records. This multi-layered, time-extended process is the very definition of geological complexity.

(B) Simplicity of continental formation

Continental formation through supercontinent breakup is anything but simple. It involves heat flow, stress fields, magma intrusion, and the interplay of lithospheric plates—hardly a straightforward mechanism.

(C) Speed of geological changes

Gondwana's breakup unfolded over tens of millions of years. Geological processes are notoriously slow by human standards; this option contradicts the gradualism inherent in plate tectonics. …
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CBSE 2025Set 1/6/11 mark
$Q. What difference does the author draw between then and now? (Journey to the end of the Earth)$
›Reveal solutionSolution

The author contrasts the deep geological past — when Antarctica was part of the warm, life-filled supercontinent Gondwana — with the present, when the continents have split apart, Antarctica lies frozen and isolated, and a very young human species is already reshaping the planet.

In Journey to the End of the Earth, Tishani Doshi uses Antarctica to make the vastness of geological time feel real. The difference she draws between 'then' and 'now' works on two levels.

Then: Around 650 million years ago Antarctica was not a frozen wilderness at all. It sat at the heart of Gondwana, a giant southern landmass, in a far warmer climate that supported a rich variety of plants and animals. There were no humans, no nations and no borders — only a single, connected world shaped slowly by natural forces. …
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Q.What could be the reason for the disintegration of Gondwana? (Journey to the end of the Earth)

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