BCG vaccine is a preventive measure against

BCG vaccine is used against:

DPT vaccine is given for :

The function of a vaccine is the production of— against a specific disease.

Read the following statements and select the correct ones. (i) Vaccine is a preparation (or suspension ) of a dead/attenuated pathogen of a disease which on inoculation ( or injection ) into a healthy person, provides temporary/permanent active immunity by inducing antibodies formation. (ii) Immunisation is the process by which the body produces antibodies against the vaccine preventable diseases through administration of specific vaccines. (iii) The principle of immunisation or vaccination is based on the property of 'memory' of the immune system. iv) If a person is infected with some deadly microbes to which quick immune response is required; in that case, we need to directly inject the performed antibodies or antitoxins e.g., in case of tetanus.

Answer any three of the following (restrict each answer to two or three important sentences) Write a short note on preventive measures for STD

STDs are threat to reproductive health. Describe any two such diseases and suggest their preventive measures.

Explain how vaccine prevent future infections.

Preventive measures of drug addictions.

The preventive measures of sexually transmitted diseases include

Fill in the blanks: Plant systems adopt morphological and _________ defence measures against predators.