Question

What are the differences between animals
mammalian group?
प्र.23 निम्न के उत्तर दीजिए
(a)प्रतिरक्षीकरण क्या है? (b) टीकाकरण क्या है? (3
Give answer to following:
(a)What is immunisation? (b)What is vaccina
OR
संक्रामक रोगों को फैलने से रोकने के लिए आपके अप
What precautions can you take in your scho​

Answer 1

Answer:

1. the difference between animals belonging to the aves group and those in the mammalian group. The difference between aves and mammals are as follows: (a) Aves have their body covered in feathers while the bodies of mammals are covered with hair. (b) Aves lay eggs while mammals give birth to young ones.

(a)Immunization is the process whereby a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine. Vaccines stimulate the body's own immune system to protect the person against subsequent infection or disease.

(b)A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease.