alleryELISA works on the principle of interaction between antigen and:
AAntitoxin
BAntiserum
CAntigenic
DAntibody
Answer & Solution
Correct answer: D. Antibody
1. ELISA is used in the diagnosis of disease.
2. It is based on the principle of antigen-antibody interaction.
3. So the correct answer is antibody.
_Source: syllabus Biology, Ch 12 'Biotechnology and its Applications'_
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