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Showing posts with the label Selina ICSE Solutions for Class 9 Biology Chapter 17 - Aids To Health

Selina ICSE Solutions for Class 9 Biology Chapter 17 - Aids To Health

Selina ICSE Solutions for Class 9 Biology Chapter 17  - Aids To Health Exercise 1 A. Multiple Choice Type. 1. Penicillin is (a) an antiseptic (b) a disinfectant (c) an antibiotic (d) an anti-toxin 2. 'T' in DTP vaccination stands for (a) Tuberculosis (b) Typhoid (c) Tetanus (d) Tonsillitis 3. World Health Day is celebrated on (a) April 7 (b) February 21 (c) October 10 (d) January 15  Solution A. (c) An antibiotic (c) Tetanus (a) April 7 B. Very Short Answer Type. 1. Name the following: (a) The drug based on arsenic compound, produced in 1910, which killed germs of syphilis. (b) The antibiotic that was discovered first. (c) The category of immunity required in the treatment of snake-bite. (d) Any four antiseptics, any two disinfectants and any two antibiotics. (e) The vaccine that helps to produce immunity against polio. Solution B.1. (a) Arsphenamine or Salvars...