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Chapter 5: Problem 20
The antibiotic penicillin was discovered by (a) Alexander Fleming (b) Ernst Boris Chain (c) Robert Hooke (d) Howard Florey
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Assertion (A): Immunity to chickenpox is considered as acquired immunity. Reason (R): Immunity that is inherited from parents is considered as acquired immunity (a) Both \(\mathrm{A}\) and \(\mathrm{R}\) are true and \(\mathrm{R}\) is the correct explanation for \(\mathrm{A}\). (b) Both \(\mathrm{A}\) and \(\mathrm{R}\) are true and \(\mathrm{R}\) is not the correct explanation for \(\mathrm{A}\). (c) \(\mathrm{A}\) is true and \(\mathrm{R}\) is false (d) \(\mathrm{A}\) is false and \(\mathrm{R}\) is true
Select the odd one out (a) Neutrophils (b) \(\mathrm{R} \mathrm{BCs}\) (c) Basophils (d) Monocytes
Fill in the blanks in each question. The antibiotic penicillin is produced by the fungus
Fill in the blanks in each question. Polio is caused by
Which one of the following is not an infectious disease? (a) Cholera (b) Polio (c) Malaria (d) Obesity
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