Welcome to the NCERT Solutions for Class 12 Biology - Chapter Biotechnology and its Application. This page offers a step-by-step solution to the specific question from Exercise 0, Question 4: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.
Give the full form of ELISA. Which disease can be detected using it? Discuss the principle underlying the test.
ELISA stands for Enzyme- linked Immuno sorbent Assay and this exploits an enzymatic reaction for detecting the immune reaction. Many enzymes are used for ELISA like alkaline phosphatase, urease, beta galactosidase and horseradish peroxidase. ELISA can be used qualitatively to detect the presence of antigens (detect infection by pathogen) and antibodies (are synthesized against the pathogen or bacteria for the defense). This test involves the linkage of label enzymes to either antigens or antibody and their reaction is measured using colorimetric signals.
Principle of this test involves the competitive binding of antigen and specific enzyme to the specific antibody. ELISA is used for the detection of disease AIDS or HIV.
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
Stay updated with our latest educational content and study tips
Government jobs continue to be one of the most popular employment options in India because of their job security, regular salary, pension benefits, and promotion prospects. However, one of the most frequent doubts of aspirants is age eligibility. Countless candidates are discouraged from applying for Government positions – or even from preparing for them – … Read more
Read MoreAfter preparation for NEET and JEE, students inclined towards studying under state education boards find themselves a step behind the CBSE students. The syllabus, question pattern and level of idea of these national entrance exams varies widely from most state board syllabus. But with the correct approach, students taking the state board can hold their … Read more
Read MoreInterest is one of the most significant ideas in maths and financial calculations. It is very common in banking, loan applications, investments, saving account and competitive exams. Simple Interest and Compound Interest make it easier to find out how much more is earned and/or paid on a principal during the period of time. These Interest … Read more
Read MoreIn 2026, students, professionals, and job seekers must have a high level of spoken English. Spoken English is a beginner level course to enhance learners’ communication skills in English, their pronunciation, vocabulary, grammar structure and confidence in speaking English fluently. Today, the emphasis of spoken English courses is placed on actual conversations, everyday speech practice … Read more
Read MoreWelcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 4: Give the full form of ELISA. Which disease can be detected using it? Discuss the principle underlyin....
Add Comment