What is antitoxin?

What is variation? What are its types?

What is RuBisCO? What is function?

a. What is positron ? " " b. What is its charge ?

What is nitrogen metabolism? What are the stages of ammonium assimilation?

What is nitrogen narcosis ? What is its effect ?

Injection of antitoxin in tetanus confers which type of immunisation ?

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.

What is vaccine ? What are its types ?