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CBSE (Science) (Hindi Medium) Class 12 [१२ वीं कक्षा] - CBSE Important Questions

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Read the passage given below.

 

 

 

 

5

I saw ‘Jaws’, the popular shark movie, the summer it came out, in 1975 and became paranoid about sharks. Though I kept swimming after Jaws, it was always with the vague fear that a shark’s teeth could tug on my leg at any moment. Never mind that there’d been only two shark bites since 1900 on the Connecticut coast, where I lived.
10 So, when I got this assignment for the National Geographic magazine, I decided to accept and do what I’d never wanted to do: swim with the sharks. I had to go to a place in the Bahamas known as Tiger Beach and dive with tiger sharks, the species responsible for more recorded attacks on humans than any shark except the great white. It was to be my first dive after getting certified-which meant it would be my first dive anywhere other than a swimming pool or a quarry-and without a diver’s cage. Most people who got wind of this plan thought I was either very brave or very stupid.

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But I just wanted to puncture an illusion. The people who know sharks intimately tend to be the least afraid of them, and no one gets closer to sharks than divers. The divers who run operations at Tiger Beach speak lovingly of the tiger sharks and the way people talk about their children or their pets. In their eyes, these sharks aren’t man-eaters any more than dogs are.

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25

The business of puncturing illusions is never just black and white. My fellow divers had hundreds of dives under their belt and on the two-hour boat ride to the site on the morning of our first dive, they kept saying things like, “Seriously, I really can’t believe this is your first dive.” All this was okay with me until I reached the bottom and immediately had to fend off the first tiger shark, I had ever laid eyes on. However, when I watched the other divers feeding them fish and steering them gently, it became easy to see the sharks in a very benign light.
30 I think it would be unfair not to mention that tiger sharks are apex predators. They act as a crucial balancing force in ocean ecosystems, constraining the numbers of animals like sea turtles and limiting their behaviour by preventing them from overgrazing the seagrass beds. Furthermore, tiger sharks love warm water, they eat almost anything, have a huge litter and are the hardiest shark species. If the planet and its oceans continue to warm, some species will be winners and others will be losers, and tiger sharks are likely to be winners.

Based on your understanding of the passage, answer the questions given below.

  1. Cite a point in evidence, from the text, to suggest that the writer's post-Jaws fear was not justified.
  2. State any one trait of the writer that is evident from lines 5-10 and provide a reason for your choice.
  3. People thought the writer was ‘either brave or very stupid’. Why did some people think that he was ‘very stupid’?
  4. Why does the writer say that people who know sharks intimately tend to be least afraid of them?
  5. Rewrite the given sentence by replacing the underlined phrase with another one, from lines 10-20.
    Some academicians think that reward, as a form of discipline, is a simple right or wrong issue.
  6. What does the use of the phrase ‘benign light’ suggest in the context of the writer’s viewpoint about tiger sharks?
  7. Select a suitable phrase from lines 15-25 to complete the following sentence appropriately.
    I agree the team will find this experience tough, but competing will be easier next time after they get this tournament ______
  8. Apex predators serve to keep prey numbers in check. How can we say that tiger sharks are apex predators?
  9. Analyse why having a large litter is one of the features that empower tiger sharks to emerge, winners, if global warming persists.
Appears in 1 question paper
Chapter: [0.01] Reading Unseen Passages and Note-making
Concept: Reading Skill (Textual)

Read the passage given below.

5 Changing food preferences have brought about rapid changes in the structure of the Indian diet. The rapid proliferation of multinational fast food companies and the influence of Western culture have replaced traditional home-cooked meals with ready-to-eat, processed foods thus increasing the risk of chronic diseases in urban Indians. Therefore, nurturing healthy eating habits among Indians from an early age would help to reduce health risks.
10 To date, little is known about the quality and quantity of foods and beverages consumed by urban Indian adolescents. This lack of evidence is a significant barrier to the development of effective nutrition promotion and disease prevention measures.

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Therefore, a self-administered, semi-quantitative, 59-item meal-based food frequency questionnaire (FFQ) was developed to assess the dietary intake of adolescents. A total of 1026 students (aged 14-16 years) attending private, English-speaking schools in Kolkata completed the survey.

A sample percentage of the food consumption pattern is displayed.

The survey results report poor food consumption patterns and highlight the need to design healthy eating initiatives. Interestingly, while there were no gender differences in the consumption of legumes and fried snacks, the survey found more females consumed cereals, vegetables and fruits than their male counterparts.

25 In conclusion, the report suggested that schools ought to incorporate food literacy concepts into their curriculum as they have the potential of increasing the fruit and vegetable intake of teenagers. Additionally, healthy school canteen policies with improved availability, accessibility, variety and affordability of healthy food choices would support the consumption of nutritious food in students.

Based on your understanding of the passage, answer the questions given below.

  1. What does the researcher mean by ‘changing food preferences'?
  2. Why was this survey on the food consumption of adolescents undertaken?
  3. With reference to the above figure, write one conclusion about students' consumption of energy-dense drinks.
  4. What can be concluded from the ‘no intake’ data of fruit consumption versus energy-dense snacks, with reference to the above figure?
  5. There were gender differences observed in the consumption of healthy foods, according to the survey. Substantiate.
  6. Why is ‘affordability’ recommended as a significant feature of a school canteen policy?
  7. Identify a word from lines 9-18 indicating that the questionnaire was specifically designed to be completed by a respondent without the intervention of the researcher collecting the data.
Appears in 1 question paper
Chapter: [0.01] Reading Unseen Passages and Note-making
Concept: Reading Skill (Textual)

You are Natasha, residing in Pune. Your cousin, from the same city, is hosting your grandmother’s eightieth birth anniversary and has extended an invite to you. He has also requested your assistance with the arrangements needed. Draft a reply of acceptance, in not more than 50 words.

Appears in 1 question paper
Chapter: [0.02] Writing Skills
Concept: Writing Skill

You are Shantanu, residing at Ghar B-94, Balimela Road, Malkangiri. You come across the following classified advertisement in a local daily. Write a letter, in about 120-150 words, applying for the position of a volunteer for the Each One Teach One campaign.

SITUATION VACANT

WANTED committed volunteers, aged 18 years and above, to teach underprivileged children, for one hour a week, in the district of Malkangiri. The ability to speak, read and write Odiya fluently, is important. Experience is not necessary. All volunteers to receive training. Contact Nethra N, Coordinator (Each One Teach One), 4Literacy, Ambaguda, Malkangiri, Odisha -764045.

Appears in 1 question paper
Chapter: [0.02] Writing Skills
Concept: Writing Skill

The efforts of 400 volunteers working with the NGO, 4 Literacy, in the district of Malkangiri, Odisha, were lauded by the District Collector, Shri V. Singh (IAS). As a staff reporter of ‘The Odisha Bhaskar’, write a report about this in 120-150 words covering all the details of the event, such as training, teaching and infrastructure involved in the ‘Each One Teach One’ campaign, initiated by the district administration in association with the NGO.

Appears in 1 question paper
Chapter: [0.02] Writing Skills
Concept: Writing Skill

Mistaken identity led to a discovery of a new one for the rattrap peddler. How did this impact him?

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

As the host of a talk show, introduce Rajkumar Shukla to the audience by stating any two of his defining qualities. You may begin your answer like this:

Meet Rajkumar Shukla, the man who played a pivotal role in the Champaran Movement. He ______

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

Adrienne Rich chose to express her silent revolt through her poem, Aunt Jennifer’s Tigers, just as Aunt Jennifer did with her embroidery. Explain.

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

Rationalize why Keats uses the metaphor ‘an endless fountain of immortal drink’ in his poem, A Thing of Beauty.

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

How do you think Derry’s mother contributes to his sense of alienation and isolation? (On the Face of It)

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

Validate John Updike’s open-ended title, ‘Should Wizard Hit Mommy?’.

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

How does Keats’ poem, A Thing of Beauty appeal richly to the senses, stimulating the reader’s inner sight as well as the sense of touch and smell? Write your answer in about 120-150 words.

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

Colin Dexter, the author of Evans Tries an O-level employs the red herring technique of intentionally misleading readers by placing false clues to keep the plot enigmatic. Substantiate with reference to the text, in about 120-150 words.

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

Biographies include features of non-fiction texts - factual information and different text structures such as description, sequence, comparison, cause and effect, or problem and solution. Examine Indigo in the light of this statement, in about 120-150 words.

Appears in 1 question paper
Chapter: [0.03] Literature and Long Reading Text
Concept: Reading Skill (Non-textual)

What were the personality traits that endeared Dr. Margolin to others in his community?

Appears in 1 question paper
Chapter: [0.01] Short Stories
Concept: Short Stories

Why did Dr. Margolin not particularly want his wife to accompany him to the wedding?

Appears in 1 question paper
Chapter: [0.01] Short Stories
Concept: Short Stories

What apprehensions does Ingram harbour regarding the contemporary film industry?

Appears in 1 question paper
Chapter: [0.01] Short Stories
Concept: Short Stories

"If I find you fighting again, I’ll be back to stop it. Take care; you should not need a tiger to keep the peace." How do the above lines align with the novel ‘A Tiger for Malgudi’?

Appears in 1 question paper
Chapter: [0.01] Short Stories
Concept: Short Stories

Describe the relationship between Captain and his wife in the novel ‘A Tiger for Malgudi’.

Appears in 1 question paper
Chapter: [0.01] Short Stories
Concept: Short Stories

Lakshmi Holmstrom in “The Novels of R. K. Narayan” Calcutta: Writers Workshop Publication, 1973, comments “Different abilities and values are opposed and matched until Pal becomes a “nightmare to Margayya”. Keeping the above statement in mind, trace the evolution of Margayya and Mr. Pal’s relationship.

Appears in 1 question paper
Chapter: [0.01] Short Stories
Concept: Short Stories
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