12th Class Biology Sample Paper Biology - Sample Paper-2

  • question_answer
    Ankit was one of the best student in the class and loves to play hockey and also selected as captain of the school team for the district level tournament. He also does social work. He attended a blood donation camp to donate blood and come to know that he is HIV positive. He lost interest in games and refused to play or study. He went into mental depression and remained absent from school for a long time to avoid spreading AIDS to others. The Biology teacher visited his home and counselled him. Ankit was back at school and also played and won the tournament. Ankit then celebrated his victory with team-mates joyfully.
    (i)  What sense of responsibility did the Biology teacher exhibit?
    (ii) A person detected to be HIV positive should be isolated in the society. Do you agree? Why or Why not?
    (iii) How is AIDS not spread?
     

    Answer:

    (i) The teacher shows social and moral responsibility along with his commitment to service as a professional teacher.
    (ii) No. AIDS is not a contagious disease and does not spread until a blood/body fluid contact is established
    (iii) AIDS is not spread by:
    (a) body contact in crowded place.
    (b) hand shaking.
    (c) sharing td ephon e, meal, utensil or clothings.
    (d) light kissing.
    (e) using same toilet seat or even swimming pool.
    (f) it is not transmitted by blood sucking vectors or by coughing and sneezing.
     


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