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Biology

(i) Name the disease for which the following types of vaccines are given:

  1. Salk's vaccine
  2. BCG

(ii) Give one example of each of the following:

  1. A water pollutant
  2. An aquatic plant used in the lab to demonstrate O2 liberation during photosynthesis
  3. An antibiotic
  4. A nitrogenous base in DNA

(iii) Expand the following biological abbreviations:

  1. ATP
  2. TSH
  3. DPT
  4. DNA

Health Aids

ICSE 2014

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Answer

(i) The vaccines are given for:

  1. Salk's vaccine → Poliomyelitis
  2. BCG → Tuberculosis

(ii) One example of each are:

  1. A water pollutant → Sewage
  2. An aquatic plant used in the lab to demonstrate O2 liberation during photosynthesis → Hydrilla.
  3. An antibiotic → Penicillin
  4. A nitrogenous base in DNA → Adenine

(iii) The full forms are:

  1. ATP → Adenosine Triphosphate.
  2. TSH → Thyroid Stimulating Hormone.
  3. DPT → Diphtheria Pertussis Tetanus.
  4. DNA → Deoxyribonucleic Acid.

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