Class 11 English Unit 20 Science and Technology Complete Guide (NEB New Syllabus) | Notes, Exercise Solutions & Summary | Language Development
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Welcome to your premier destination for the Class 11 English Unit 20 Science and Technology academic syllabus. This complete online textbook companion offers fully resolved answers to all end-of-chapter questions and professional writing exercises.

Through this comprehensive resource on Class 11 English Unit 20 Science and Technology, you will explore the fascinating contrast between historical education and modern digital classrooms, analyze how search engines impact our critical thinking, and master English grammar rules for articles (a, an, the).

To acquire more context on the developmental milestones of information technology, you can explore the impact of technology on education online.

Access our general index for additional chapters here: Class 11 English Notes.

Class 11 English Unit 20 Science and Technology study notes

1. Class 11 English Unit 20 Science and Technology: Ways with Words

A. Match the words with their correct definitions.
Word Definition
Freshmana first-year student at a university, college, or high school
Naivehaving or showing a lack of experience, judgment, or information
Obliviouslywithout conscious awareness; mindlessly
Bragsay something in a boastful or excessively proud manner
Disposalthe action or process of throwing away or getting rid of something
Dormdormitory; a student residence hall or communal building
Suitematesomeone who shares your bathroom, living room, or kitchen in a shared flat
Incalculabletoo great or large to be calculated, measured, or estimated

B. Replace the bold words in (a-h) selecting synonyms from the box.

(Synonyms used: incredible, potential, fragmented, unanticipated, scrutinizing, indecipherable, navigated, delight)

a. Her story is incredible in the literal sense of the word.
b. We often read the novels of the potential writers in the world.
c. The Facebook users are fragmented but connected to each other through the Internet.
d. Sometimes unanticipated events happen in our life.
e. He paused, scrutinizing the faces of Anjana and Manju with his glittering eyes.
f. I am sorry to say your handwriting is indecipherable.
g. He is mature. He can navigate his own journey to make his career better.
h. Gita’s heart swelled with delight, translating her confidence into power.

C. Complete the sentences by choosing the correct word given in brackets.
a. Does television affect children? (affect/effect)
b. Does television have an effect on children? (affect/effect)
c. Could you lend me your book, please? (borrow/lend)
d. Can I borrow your pen? (borrow/lend)
e. Prices seem to rise every year. (raise/rise)
f. You can raise your hand if you want to ask a question. (raise/rise)
g. What did he say to you? (say/tell)
h. I can’t speak Hindi. (speak/talk)
i. I will talk to you on the phone. (speak/talk)
j. I think that’s a very sensible idea. (sensible/sensitive)
k. My teeth are very sensitive to cold. (sensible/sensitive)
l. Our principal is a popular person. (principal/principle)
m. I couldn’t understand the principle of gravity. (principal/principle)
n. All friends, except Nabina, came to the party. (accept/except)
o. Will you accept my request? (accept/except)
p. They were making too much noise. (noise/sound)
q. All she could hear was the sound of the waves. (noise/sound)
r. Did you give him any advice for his career? (advice/advise)
s. My parents advise me to be a teacher. (advice/advise)

2. Class 11 English Unit 20 Science and Technology: Comprehension Solutions

Answer these questions based on the text.
a. Why did the author feel that she was lucky to be so naïve during her freshman year at college?
The author felt she was lucky to be so naïve because her absolute ignorance allowed her to experience college life with pure wonder and curiosity. She wasn’t overly preoccupied with mapping out her career metrics or worrying about social media standing, enabling her to naturally explore new interests, find independent routes, and discover life-altering milestones through genuine serendipity.
b. Why did she say that she went to college in the Stone Age?
She jokingly said she went to college in the “Stone Age” because the lack of advanced digital technology during her era stands in stark, primitive contrast to her son’s current experience. During her time, there were no mobile phones, high-speed internet, campus specific search apps, or social media networks; students relied on handwritten letters, landline phones, and card catalogs to study.
c. What kinds of technological tools can Hayden use in his college life unlike at his mother’s time?
Unlike his mother’s time, Hayden has access to a wide array of advanced technological shortcuts. He can use smartphones with university-specific navigation apps, digital messaging platforms, and major social networks like Facebook, Twitter, Instagram, and YouTube to organize his social and academic life.
d. How has the internet and social sites affected the lifestyle of the youths?
The internet and social sites have made the youth rely on effortless technological shortcuts for almost everything, occasionally causing them to bypass the useful struggle of real research. While these tools make life easier, they can narrow critical thinking and individual imagination. Furthermore, while social networks make youths incredibly connected virtually across distances, they also make them socially fragmented, as face-to-face interaction and real-world exploration are declining.
e. What things about college life will Hayden really miss unlike his mother?
Unlike his mother, Hayden will likely miss the beautiful, unexpected magic of serendipity—meeting random people on the trails, getting lost in physical library stacks, and having deep, unscripted face-to-face conversations. His heavily programmed, screen-based life reduces the chances of experiencing these raw, memorable, and spontaneous real-world discoveries.
f. The writer says, “I worry that students today are more connected and more fragmented”. Isn’t this paradoxical? How?
Yes, the line “I worry that students today are more connected and more fragmented” is highly paradoxical. It seems contradictory on the surface, but holds a deep psychological truth. While modern technology connects students across borders instantly via social networks, it simultaneously fragments them because their interactions are shallow, digital, and virtual. They lack deep, individual-to-individual physical presence and emotional intimacy, leaving them isolated in their own separate screen worlds.

3. Class 11 English Unit 20 Science and Technology: Critical Thinking Analysis

a. Do you think that advancements of technology can hinder the exposure students receive in school, and block them from gaining some of life’s most memorable moments? Give reasons in support of your answer.

Yes, I strongly believe that the excessive advancement and integration of technology in education can severely hinder the holistic exposure students receive in school and block them from gaining some of life’s most memorable, character-building moments.

School and college life are not just about completing assignments, passing exams, and absorbing academic data. The most valuable aspects of student life are social in nature: learning to collaborate, working in teams, resolving conflicts, sharing physical sports, and forming deep, face-to-face friendships. When classrooms are dominated by laptops, tablets, and virtual portals, students spend their critical time staring at individual screens rather than interacting with peers and teachers. This limits their opportunities to develop crucial soft skills and emotional intelligence.

Furthermore, technology creates a constant buffer of distraction. Instead of paying close attention to teachers or participating in active, physical group work, students often find themselves mindlessly checking notifications or social media feeds. The comfort of receiving instant answers from search engines also prevents them from engaging in the productive struggle of solving complex problems independently, which is necessary for cognitive development. If we replace the organic, slightly messy serendipity of student life with clean, automated digital interactions, we risk graduating academically competent but socially isolated individuals who have missed out on the true joy and memorable connections of youth.


b. Kline’s essay focuses on the contrast between her son’s freshman college experience and her own, but she also establishes what they have in common. Explain.

In her beautiful, reflective essay “Taking My Son to College,” Christina Baker Kline highlights the stark contrast between her own college experience in the 1980s and her son Hayden’s freshman year in the modern digital era. However, alongside these technological contrasts, she brilliantly establishes the timeless human commonalities they both share.

The core commonality is the shared emotional journey of starting a freshman year at the exact same university (Yale). Both mother and son face the same underlying mix of excitement, nervous apprehension, and the search for personal identity as they step into adulthood. Although the medium of communication has shifted—where she relied on landline payphones and handwritten letters, and he uses immediate smartphones and texting—the fundamental human need to connect, find companions, and seek acceptance remains unchanged. Both experienced the struggle of leaving home, the fear of the unknown, and the ambitious drive to discover new academic limits. By highlighting these deep, shared emotional realities, Kline demonstrates that while technology completely alters the physical structure of our daily routines, the essential human heart and its core desires remain constant across generations.


c. Has the internet aided to broadening or narrowing the critical thinking capacity of youths or readers? How?

The impact of the internet on the critical thinking capacity of youths and readers is a double-edged sword; it can both broaden and narrow their cognitive abilities depending entirely on how it is utilized.

On one hand, the internet has **broadened** human knowledge to an incalculable degree. It has democratized information, making global libraries, scientific journals, diverse cultural perspectives, and educational courses instantly accessible to anyone with an internet connection. If a reader uses the internet to compare multiple sources, investigate factual evidence, and learn new skills, it serves as an excellent catalyst for intellectual growth and analytical reasoning.

On the other hand, the internet can severely **narrow** critical thinking. The ease of getting instant, pre-digested answers from search engines or AI assistants often discourages youths from engaging in the slow, difficult process of deep reading and critical reflection. Instead of analyzing a book thoroughly, many readers rely on short summaries or algorithms that serve only one perspective, trapping them in ideological echo chambers. This constant exposure to short, sensationalized content can reduce their attention span, making them passive consumers of information rather than active, critical thinkers. Therefore, to ensure the internet broadens rather than narrows our minds, we must consciously cultivate the discipline to cross-verify information and think independently.

4. Class 11 English Unit 20 Science and Technology: Grammar (Articles)

A. Fill in the gaps with suitable articles (a, an, the) where necessary. Put a cross (X) where no article is needed.
a. Is he working as a university professor?
b. My younger sister watches X television a lot. (Note: We use ‘the’ for the physical device, but no article ‘X’ for the medium/activity of watching television.)
c. A: What did you get for your birthday?
B: I got X lot of good presents. (Note: Alternatively, if using the phrase “a lot of”: I got a lot of good presents.)
d. I’m going to the Dominican Republic for my winter vacation.
e. I have to go to the bank today to deposit some money.
f. Durga was injured in the accident and was taken to the nearest hospital.
g. Every parent should visit the school to meet the teachers.
h. Who is the woman in this photograph?
i. There is a piano in the corner of the room.
j. A: Do you think he is lying?
B: No, he’s the kind of guy that always tells the truth.

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