Gujarati
Hindi
7.Human Health and Disease
easy

Definitions / Explanation : Antingen & Lymphoid organs.
 

Option A
Option B
Option C
Option D

Solution

They are substances which when enter the body stimulate the production of antibodies. They are also known as immunogens.

Organs where lymphocytes originate, proliferate and get matured are known as lymphoid organs.

Standard 12
Biology

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