Give the full form of ELISA. Which disea | Class 12 Biology Chapter Biotechnology and its Application, Biotechnology and its Application NCERT Solutions

Current NCERT chapter

Academic session 2026-27, Chapter 10 in the current curriculum.

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:

Give the full form of ELISA. Which disease can be detected using it? Discuss the principle underlying the test.

. 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.

Question 4:

Give the full form of ELISA. Which disease can be detected using it? Discuss the principle underlying the test.

Answer:

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.

Study Tips for Answering NCERT Questions:

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:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Biotechnology and its Application.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Welcome 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....

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