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Board Paper of Class 12-Science 2020 English Delhi(Set 2) - Solutions

General Instructions :

Read the following instructions very carefully and strictly following them.

(i) Question paper comprises three section – A, B and C.

Section A – 20 marks

Section B – 30 marks

Section C – 30 marks

(ii) There are 10 questions in the question paper. All questions are compulsory.

(iii) There is no overall choice. However, an internal choice has been provided in one question in Section A, four questions in Section B and three questions in Section C. Make your choice correctly. 

(vi) However, separate instructions are given with each section and question, wherever necessary. 

(vii) Do not exceed the prescribed word limit while answering the questions.

Read the passage given below:
Donated Organs and their Transportation
  1. Once an organ donor's family gives its consent and the organs are matched to a recipient, medical professionals are faced with the onerous challenge of transporting organs while ensuring that the harvested organ reaches its destination in the shortest possible time. This is done in order to preserve the harvested organs and involves the police and especially the traffic police department.

  2. The traditional method of transporting organs by road is referred to as a "green corridor". This process entails police escorting an ambulance, so as to move around traffic - usually a specific traffic lane is chosen and all signals on the route stay green to ensure it to reach its destination in the shortest possible time. A 'green corridor' is a route cleared and cordoned off by the traffic police to ensure the smooth and steady transportation of harvested organs, on most occasions, to those awaiting a life-saving transplant. Organs tend to have a very short preservation time, such as the heart which has to be harvested and transplanted within four hours or the lungs which can be preserved for only six hours once they are harvested.

  3. The first green corridor in India was created by Chennai Traffic Police in September 2008 when they accomplished their task of enabling an ambulance to reach its destination within 11 minutes during peak hour traffic. That organ saved a nine-year-old girl whose life depended on the transplant.

  4. Similarly, such green corridors have been created by traffic police of various cities such as Pune, Mumbai, Delhi NCR etc. Personnel are stationed at selected point s to divert, control and clear the traffic giving way to the ambulance. Apart from this, a motorcade of police vehicles accompanies the ambulance ensuring that it does not face any problems. Delhi Traffic Police provided a green corridor from IGI Airport to Institute of Liver and Biliary Sciences in Vasant Kunj for transportation of a liver. The distance of 14 kms was covered in 11 minutes.

  5. Experts point out the lack of a robust system to transport organs to super-speciality hospitals in least possible time, National Organ & Tissue Transplant Organisation (NOTTO), the country's apex organ donation agency, is now framing a proposal to airlift cadaver organs and will send a report to the Union Health Ministry. "Cadaver organs have a short life and so transplant should be done within a few golden hours." Director (NOTTO) expressed. "Therefore, we are preparing a proposal for airlifting organs at any given moment."

  6. Most states do not have enough well-trained experts to retrieve or perform transplant procedures. Also, there is an acute shortage of advanced healthcare facilities to carry out a transplant. So, it is referred to other big centres in metropolitan cities. Organs retrieved from Aurangabad, Indore, Surat, Pune are sent to Mumbai as these cities do not have super-speciality healthcare centres, informed officials.

  7. "In India, about fifty thousand to one lakh patients are suffering from acute heart failure and need heart transplant at any point of time. In a private set-up, a heart transplant costs ₹ 15 - 20 lakhs, which is followed up by postoperative medication of about ₹ 30,000 per month lifelong."

  • Question 1
    1.1 On the basis of your understanding of the above passage, answer any five of the following questions by choosing the most appropriate options:
    (a) The first green corridor in India was created in:
    (i) New Delhi
    (ii) Chennai
    (iii) Mumbai
    (iv) Pune

    (b) The organization which is framing a proposal to airlift cadaver organs is :
    (i). Union Health Ministry
    (ii) Regional Organ and Tissue Transplant Organisation
    (iii) National Organ and Tissue Transplant Organisation
    (iv) State Organ and Tissue Transplant Organisation

    (c) The onerous task the author is talking about in para 1 is:
    (i) finding organ donors.
    (ii) finding doctors capable of performing transplants.
    (iii) to carry the harvested organ in the shortest possible time.
    (iv) to arrange the requisite facilities for the transplant.

    (d) Most of the people do not go for the heart transplant as :
    (i) it is very risky.
    (ii) it is very painful.
    (iii) it may cause death of the recipient.
    (iv) the cost is prohibitive.

    (e) Most states refer organ transplant cases to big hospitals because
    (i) they don't have well-trained experts.
    (ii) the patients don't trust local doctors.
    (iii) the state hospitals are very crowded.
    (iv) they don't have a pool of harvested organs.

    (f) Heart retrieved from a body is alive only for _______ hours.
    (i) two
    (ii) three
    (iii) four
    (iv) five

    1.2 Answer the following questions briefly:
    (a) What is a 'green corridor'?
    (b) Why is smooth transportation of the retrieved organ necessary?
    (c) What opinion do you form of Chennai Police with regard to the transportation of a harvested heart?
    (d) What does the author mean by 'a few golden hours'?
    (e) How much does a heart transplant cost a patient in a private hospital?

    1.3 Pick out the words from the passage which mean the same as the following:
    (a) save (para 1)
    (b) achieved / carried out (para 3)
Read the following passage :
  1. How does television affect our lives? It can be very helpful to people who carefully choose the shows that they watch. Television can increase our knowledge of the outside world; there are high-quality programmes that help us understand many fields of study, science, medicine, the different arts and so on. Moreover, television benefits very old people, who can't leave the house, as well as patients in hospitals. It also offers non-native speakers the advantages of daily informal language practice. They can increase their vocabulary and practise listening.

  2. On the other hand, there are several serious disadvantages of television. Of course, it provides us with a pleasant way to relax and spend our free time, but in some countries people watch television for an average of six hours or more a day. Many children stare at the TV screen for more hours a day than they spend on anything else, including studying and sleeping. Its clear that TV has a powerful influence on their lives and that its influence is often negative.

  3. Recent studies show that after only thirty seconds of television viewing, a person's brain 'relaxes' the same way that it does just before the person falls asleep. Another effect of television on the human brain is that it seems to cause poor concentration. Children who view a lot of television can often concentrate on a subject for only fifteen to twenty minutes. They can pay attention only for the amount of time between commercials.

  4. Another disadvantge is that television often causes people to become dissatisfied with their own lives. Real life does not seem so exciting to these people. To many people,  television becomes more real than reality and their own lives seem boring. Also many people get upset or depressed when they can't solve problems in real life as quickly as television actors seem to.

  5. Before a child is fourteen year old, he or she views eleven thousand murders on the TV. He or she beings to believe that there is nothing strange about fights, killing and other kinds of violence. Many studies show that people become move violent after viewing certain programmes. They may even do the things that they see in a violent show.

  • Question 2
    a. On the basis of your reading of the above passage, make notes on it using Headings and Subheadings. Use recognizable abbreviations (minimum four) and a format you consider suitable. Supply a suitable title to it.

    b. Make a summary of the above passage in about 80 words. VIEW SOLUTION

  • Question 3
    The Environment Club of your school is organizing a tree plantation drive on the World Environment Day around your school and in the neighbourhood. Write a notice in not more than 50 words inviting students to volunteer for the event. Give all the relevant details. You are Secretary of the Club.


    You have a 3-bedroom, ground floor flat in a posh locality. You want to sell it off as you are going abroad. Write an advertisemenet in not more than 50 words to be published in the classified columns of a local daily, giving all the necessary details. Your contact number is: XXX XXX……. VIEW SOLUTION

  • Question 4
    You have read an advertisement in The National Times for the post of Chartered Accountant in Happy Times Industry, Kanpur. You believe you possess the requisite qualifications and experience and would prove to be an asset to the company. Apply for the post giving your complete biodata stressing your suitability. You are Amrendra Singh of 2, Kailash Puri, Delhi. (120-150 words)


    The main park in your locality is in a state of utter neglect. The gates of the park are broken and the greenery ahs almost vanished. The employees responsible for the upkeep of the park are seldom seen doing their assigned duties. Write a letter to the Director, Horticulture Department. Meerut complaining about the  problem and requesting him to take appropriate action. You are Brij Kishore / Gopa, a resident of Kishore Nagar, Meerut. (120–150 words) VIEW SOLUTION

  • Question 5
    Every year there are floods or droughts in the country. Victims suffer a lot. The government does a lot to help the people, but it is not enough. Society also must do its bit. Write a speech in 150–200 words to be delivered in the school morning assembly describing how the students can also help by collecting clothes, money and medicines from their neighbourhoods. You are Arun/Aruna.


    ‘Rain harvesting is the only solution to water crisis in the present times.’ Write a debate either for or against the motion in 150–200 words. You are Sujatha / Ajith. VIEW SOLUTION

  • Question 6
    Rising prices of essential commodities make life difficult for the common man. You are Nalini / Ranbir. Write an article in 150–200 words describing the causes, possible solutions and how students can help their parents to cope with the problem.


    On your way to school, right in front of the school gate, you saw a verbal dispute leading to a physical fight between an auto rickshaw driver and his passenger. A teacher of your school intervened, found out the cause of the quarrel and amicably resolved the issue (problem). Write a report on the incident in 150–200 words. You are Balbir / Bimla. VIEW SOLUTION

  • Question 7
    Read the extracts given below and briefly answer the questions that follow each.

    (a) But just as he laid his head on the ground, he heard a sound – a hard regular thumping. There was no doubt as to what that was. He raised himself. “Those are the hammer strokes from an iron mill”, he thought.
    (i) Who is he?
    (ii) Where was ‘he’ at that moment?
    (iii) Why did he lay his head on the ground?
    (iv) Did he feel comfortable on hearing the thumping sound? Why?

    And such too is the grandeur of the dooms
    We have imagined for the mighty dead,
    All lovely tales that we have heard or read;
    An endless fountain of immortal drink,
    Pouring unto us from the heaven’s brink.

    (i) Which to things of beauty are mentioned in these lines?
    (ii) Why are the ‘lovely tales’ called an endless fountain?
    (iii) Where is this fountain situated?
    (iv) Explain: ‘grandeur of the dooms’. VIEW SOLUTION

  • Question 8
    Answer any five of the following questions in 30–40 words each:
    (a) Why did the elders of the village attend the last lesson?
    (b) What does Umberto Eco mean by the concept of ‘Interstices ‘ in our lives?
    (c) How was the make-up room in the Gemini Studios a fine example of national integration?
    (d) Describe the tigers created by Aunt Jennifer.
    (e) What would Sam have done in Galesbury for his living? Why? (The Third Level)
    (f) What efforts did Dr. Sadao and Hana make to save the American soldier?
    (g) Why did the prison officers call Evans, ‘Evans the Break’? VIEW SOLUTION

  • Question 9
    Answer the following question in 120–150 words:
    How did the swimming instructor build a swimmer out of Douglas?


    How did the court scene at Motihari change the course of India’s struggle for freedom? VIEW SOLUTION

  • Question 10
    Answer the following question in 120–150 words:
    Why did the Tiger King decide to kill a hundred tigers? Describe the efforts he made to attain his target.


    Why is Antarctica the place to go to for the scientists today? (Journey to the End of the Earth) VIEW SOLUTION
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