18 worked answers · short steps first, explanations when you need them
Understanding the Text
Textbook pages
Question Notice These Expressions
Explain the expressions “blow-by-blow account”, “de facto”, “morale booster”, “astute”, “relegated to”, “doctored accounts”, “political acumen”, and “gave vent to” in simple language.
Steps only
Use the story context to work out each phrase.
Restate the phrases in everyday words.
Answer
Detailed account; existing in practice; confidence lift; perceptive; moved to a lower role; falsified records; political skill; expressed strong feelings.
Question Understanding the Text I
Which statements are true: the story reports real events; hinges on one historical event; Rajendra is a historian; all places are imaginary; and it connects history with science?
Steps only
Check each claim against the story.
Separate real historical background from the fictional adventure.
Answer
True: 2 and 5. The story centres on Panipat and links history with scientific ideas.
Question Understanding the Text II.1
Explain the idea that Professor Gaitonde experienced a different world while remaining in the present.
Steps only
Identify what was different in the world he visited.
Explain why Rajendra calls it another present.
Answer
He entered an alternate version of the present where history had taken a different path.
Question Understanding the Text II.2
Why does Rajendra call Gaitonde’s experience “catastrophic” rather than merely fantastic?
Steps only
Recall the story’s use of catastrophe theory.
Explain the word in its technical context.
Answer
“Catastrophic” refers to a sudden transition between possible stable outcomes, not just a terrible event.
Question Understanding the Text II.3
Why does Gangadharpant keep comparing the country he knows with the one he sees?
Steps only
Use Gaitonde’s knowledge of history.
Explain how comparison helps him investigate.
Answer
As a historian, he uses what he knows to spot how the alternate world’s history differs.
Question Understanding the Text II.4
What does the reference to a lack of determinism in quantum theory mean in Rajendra’s explanation?
Steps only
State the idea simply.
Distinguish the story’s imaginative use from proven travel between worlds.
Answer
Rajendra uses quantum uncertainty to suggest that several outcomes might be possible, as a fictional explanation for alternate worlds.
Question Understanding the Text II.5
What might Rajendra mean when he says an interaction is needed to cause a transition?
Steps only
Identify the possible trigger in the story.
Keep clear that this is Rajendra’s hypothesis.
Answer
He guesses that the collision and Gaitonde’s thoughts triggered his shift into an alternate present.
Talking About the Text
Textbook pages
Question Talking About the Text 1(i)
Can one event change the course of a nation’s history? Give a balanced response.
Steps only
Give an example of a turning point.
Explain why context and later events also matter.
Answer
A turning point can redirect history, but its lasting effect depends on other conditions and later choices too.
Question Talking About the Text 1(ii)
Is reality only what we directly experience through our senses?
Steps only
Consider how senses can be limited.
Name other ways to check an experience.
Answer
Senses are useful but can mislead; memory, records, measurement, and shared evidence also help us judge reality.
Question Talking About the Text 1(iii)
Are the methods used in history, science, and philosophy similar?
Steps only
Name a shared practice.
Give one method specific to each discipline.
Answer
They share questioning, evidence, reasoning, and revision, though the kinds of evidence and methods differ.
Question Talking About the Text 2(i)
Compare Gaitonde’s adventure with the sea adventure in “We’re Not Afraid to Die…”.
Steps only
Identify the danger in each text.
Compare how the characters respond.
Mention the difference between imagined and real events.
Answer
Both involve danger and uncertainty; Gaitonde investigates an alternate world, while the family survives a real storm through teamwork.
Language and Vocabulary
Textbook pages
Question Talking About the Text 2(ii)
Why does Professor Gaitonde decide never to preside over meetings again?
Steps only
Recall what happens when he tries to take the chair.
Connect that event with his final decision.
Answer
The humiliating meeting and his unusual experience make him lose interest in presiding again.
Question Thinking About Language
What languages might Gaitonde use with Khan Sahib and with the English receptionist? What language was the chronicle likely written in?
Steps only
Use the characters’ setting and roles as clues.
Mark which answers are inferences.
Answer
Likely a shared Indian language with Khan Sahib, English with the receptionist, and Marathi for the chronicle.
Question Thinking About Language
What languages might Marathas, Mughals, and Anglo-Indians use within their communities and when speaking across groups?
Steps only
Suggest likely community languages.
Explain how people could communicate across groups.
Answer
They may use Marathi, Persian or Urdu, and English within their communities, with shared languages or interpreters across groups.
Question Thinking About Language
Do people who are ruled always adopt the ruler’s language?
Steps only
Separate official use from home and community use.
Give a reason local languages may continue.
Answer
No. A ruler’s language may gain official use, while local languages continue and languages can mix.
Noticing Form and Things to Do
Textbook pages
Question Working with Words
Choose the closest meanings for five expressions, then explain the differences in four word pairs from the chapter.
Steps only
Match each idiom to its meaning.
Use the surrounding sentence to distinguish similar-looking words.
Answer
Meanings: disagree; express; become independent; stop operating; meet an equal. Visibly = clearly seen; visually = related to sight; alternately = taking turns; alternatively = another option; successfully = with success; successively = one after another; respectfully = politely; respectively = in listed order.
Question Noticing Form
Explain how hypothetical conditionals work in the examples and write two original examples.
Steps only
Identify the if-clause and result clause.
Use the correct verb pattern for imagined present or past situations.
Answer
Hypothetical: “If I had more time, I would read.” Unreal past: “If we had left earlier, we would have arrived sooner.”
Question Things to Do
Give a simple starting explanation of quantum theory, relativity, the Big Bang, and evolution.
Steps only
Choose one theory and consult a reliable educational source.
Record its main idea and one example.
Explain it in your own words and cite the source.
Answer
Quantum theory: very small-scale matter and probability. Relativity: space, time, motion, and gravity. Big Bang: expansion from a hot, dense early universe. Evolution: inherited changes in populations over generations.